Books, Reviews and Notices of
"Research, Report of the Com-
mittee of the Privy Council
for Scientific and Industrial.
for 1917-18." 22
"Surplus," 288

Borough Polytechnic Institute, 283
Boswell, P. H., impressions of

the glass industry of the
United States, 106
Boudet, J., and P. Nicolardot.
(See Nicolardot, P.)
Bourquelot, E., and M. Bridel,

discovery of a new glucoside,
lorroglossine, 204
Boyer, S., and T. W. Richards.
(See Richards, T. W)
Brady, E. J, precision pressure
gauge, 267

specific gravity apparatus for
gases, 283

Braesco, P., precipitated amor-
phous silica, 179

Brass and alloys, rapid estimation
of lead in, 37

ingots from swarf, analysis, 193
Brazil, diamonds in, 300

export of zirconia, 300
Bridel, M., and E. Bourquelot.

(See Bourquelot, E.)
Bridgnan, J. A., and L. M.

Dennis. (See Dennis, L. M.)
British Association of Trade and
Technical Journals, 154
Chemical-ware Manufacturers'
Association, 4

Science Guild, annual report,
312
Brock, R.W., geology of Palestine,
274

Brodsky G, new polariser, 167
Bromfluorpropylethyl ether and

fluorallylethyl ether, 239
Bryan, G. B., aud Sir H. Jack-

son. (See Jackson, Sir H.)
Bullock, W. E., and W. Cramer.

new factor in the mechanism
of bacterial infection, 118
Burfitt, R. W., and S. Skinner.
(See Skinner, S.)

Burnham, T H., W. G. Duffield,
and A. H. Davis. (See Duf-
field, W. G.)

Burns, K., W. F. Meggers, and

P. W. Merrill, measurements
of wave lengths in the spec-
trum of neon, 194
Burton, E. F., new method of
weighing colloidal particles,
261
Butter, margarines and their rich-
ness in, 203

CABANNES, J., diffusion of

light by molecules of air, 203
Cacodylic compound, determina-

tion of arsenic in volatile, 276
Cadmium, emission and absorp-

tion in the infra-red spectra
of, 81

Caillard, V., import restrictions,

95

་་

Cain, J. C., Manufacture of In-
termediate Products for Dyes"
(review), 94
Calcium, absorption spectra and
ionisation potentials, 81
Cambridge Scientific Instrument

Co., Ltd., Shakespear's kath-
arometer for measuring the
purity of gases, 286

University appointments board,
226

Campbell, A., linguistic momen-
clature of scientific writers,

46
method of comparing tuning
forks of low-frequency and of
determining their damping
decrements, 47
note on low frequency micro-
phone hammers. 47
simple tuning fork generator for
sine wave alternating cur-
rents, 47
Campbell, A., Petroleum Re-
fining " (review), 132

mission in London, 200
Candy, H. C. H., and A. P. Luff.
(See Luff, A. P.)
Carbon, allotropy of, 301

electrodes, stereoscopic radio-
graphs f 286

used in steel making furnaces,
X-ray examination of, 250
graphitic, 263

in steel, determination, 243
sorption of iodine by, 8
Carter, S. R., chlorination of
benzene, 259
Casein waterproof glue, 300
Casseroles glaze of, soluble lead
in, 176, 275

Catalytic actions at solid surfaces,
310

Cauwood J. D. Constance Muir-

head, and W. E. S. Turner,
properties of the lime soda
glasses, 106

Ces ri, M., substitution of albumen
from horse blood for white of
egg in cooking, 177
Chaimers, T. W.,

Production

and Treatment of Vegetable
Oils" (review), 291
Chambers, E. V., water soften.
ing. 27

Chapin, R. M., arsenious oxide as

a standard substance in iodi-
metry, 184

Chapman, A. C, mineral yeast
285

Chatelot. C., and P. Nicolardot.

(See Nicolardot, P.)
Chauvierre, M., new reagent for
bases and acids, 2 3
Chemical affinity,atomic structure
and, 145. 168

industries, public policy and, 227
luminescence, 204

Society, 21, 35, 71, 143, 176, 202
library, 11
Chemicals, control of, 19
Chemistry, inter-allied conference
at Paris, 259

physical, and its bearing on the
chemical and allied industries,
159, 171, 181, 194, 206, 219
relationships in, 123
Chemists, pivotal men, 29
Chestnuta, horse, analytical ex-
amination, 252
Chicago, Fifth National Exhibi-

tion of chemical industries, 237
China and earthenware, German,

importation into America, 190
Chloramine-T, manufacture of,
67,77
Chlorination of hydrocarbons, in-

fluence of catalysts on. 91
Chlorine index as a comparative

measure of the richness of
soils in humus, 190
Chree, C., magnetic storms of
March 7-8 and Aug. 15-16,
19 8, 164

Chrome-vanadium steel "V" 288
Cinchonine isomers, role of a- and
B- oxydihydrocinchonines in
the production of, 191
Clark, W. B., volumetric deter-
mination of reducing sugars,
140, 151

Clarke, F. W., and G. Steiger,
Inorganic constituents
lobster shells, 125

of

W. F., and W. D. Collins. (See
Collins, W. D.)

Clouds, measu ements of water in
154

Coal, bituminous, four visible in-
gredients in banded, 7
chemistry of, 261
conservation, 225
export of, 250

oxidation of, 50
Cobalt in ores and alloys, rapid
method for determining, 297
Coffiquier, C., and P. Nicolardot.
(See Nicolardot, P.)
Coben, J," Organic Chemistry
for Advanced Students "(re-
view), 107

catalytic, by
nickel in presence of hydrogen,

Colin. H., utilisation of glucose | Dehydrogenation,
and lævulose by the higher
plants, 240
Collins, W. D., and W. F. Clarke,

lead in pharmaceutical zinc
oxide, 309
Colloid chemistry, report on, 263
Colloidal fuels, 244

particles, weighing, 261
Colver, E. de W. S.," High Ex-
plosives" (review), 155
Converter plant, order of Minis-
try of Munitions, 130
Copaux, H, method of treating
beryl for the extraction of
glucine, 216
Copisarow, M., allotropy of carbon,
301

theory of allotropy, allotropes,
and allotropoids, 265
trinitrotoluene residues and
their utilisation, 13
Copper, sensitive reaction of, 215
sulphate, order of the Ministry
of Munitions, 200
Coppin, N. G. S., and F. Holt,
method for the determination
of monochlorbenzene in inix-
tures containing benzene,
monochlorbenzene, and di-
chlorbenzene, 176
Cornec, E., spectrographic study
of the ash of marine plants,

251
Coste, J. H, and E. T. Shel

burne, electrical conductivity
of milk, 176

Cotton hairs, existence of daily
growth rings in the cell walls

of, 154.
Coursey, P. R., simplified in-
ductance calculations, 166
Cowley, W. L., and H Levy,

vibration and strength of
struts and continuous beams
under end thrusts, 94
Cramer, W., and W. E. Bullock.
(See Bullock, W. E.)
Crookes, Sir W, acquired radio-
activity, 229, 241
funeral, 189
obituary, 169
Crops, winter, of cereals and oil-
seeds, extent of land under,
251

Crowe, T. B., action of cyanide

solution in dissolving gold, 95

Crucibles made of alloys 1

pla inum and gold, action of
alkalis on, 179
Cupric hydrate, solubility in

sodium and potassium hydr-
oxides, 83
Cyanide gauze, analysis of double,
236

Cyanogen compounds in

con-

centrated ammonia iiquor,

DALTON, Capt. J., and Major
S. Elliott. (See Elliott, S.)
Danne, J., obituary, 154
Danvillier, A, and E. Ledoux-
Lebard. (See Ledoux Lebard,
E.)
Davidson, Sir J. M., obituary, 177
Davies, Ann C, and F. Horton.
(See Horton, F.)

Davis, A. H., W. G. Duffield, and
(See Duf-

T. H Burnham.
field, W. G.)
De Besteiro, D. C., and M.
Michel-Durand, influence of
light upon the absorption of
the organic matter of the soil
by plants, 203

D'Costa J. D., and J. N. Rakshit.
(See Rakshit, J. N.)
Deakin, R. H., analysis of brass
ingots from swarf, 193
Dearle, R C., emis ion and ab-

sorption in the infra-red
spectra of mercury, zinc, and
cadmium, 81
Dehydration, relation to agricul-
ture, 192

239

Demousey, E., and L. Maquenne.
(See Maquenne, L.)
Dennis, L. M., and J. A. Bridg-

man, gallium, 245, 256, 271,
281, 290, 305

and B. L Lemon, electrolysis
of solutions of the rare earths,
267
Dew pond, construction of, 190
Diamonds, 190

in Brazil, 300

Kimberley, especially cleavage
diamonds, 31, 38, 55, 64
Dioxindols, action

of phenyl
hydrazines on, 264
Disinfectant, boric acid as, 263
electrolytic, in influenza, 48
Dissociation, electrolytic, 61
Dobbie, Sir J., and J. J. Fox, con-
stitution of sulphur vapour,

131

Dogs, bites of rabid, 238
Dolomites, American, 181
Domestic service, scientific train-
ing for, 2:5

Doyle, Lieut. G. R, convenient
method of analysis of fluorspar
and of basic slags containing
fluorina, 304
Druce, J. G. F, estimation of
nitro-groups in organic com-
pounds by means of stannous
chloride, 133

preparation of organic stanno-
and stanni-chlorides, 1, 87
Diy cell, 237

Deffield, W. G., T. H. Burnham,

and A. H. Davis, pressure
upon the poles of the electric
arc, 132
Dunstan, R., acoustic experiments
in connection with whistles
and flutes, 167
Dye industry, 235

benzol and, 238
Dyeing experiments, 168
Dye-stuffs, Dominion products,
238

import of, 310
Dynamics, mechanical philosophy
and the second law of, 183

EARTHS, rare, electrolysis of

solutions of, 267
Eastern Kodak Company, list of
pure chemicals, .78
Eccles, W. H, vector diagrams

of some oscillatory circuits
used with thermionic tubes,
165

and F. W. Jordan, small direct-
current motor using therm-
ionic tubes, 166
Ecuador, manganese deposit in,
250

Edmondson, J. S. and G. Sisson.
(See Sisson, G.)
Education, industry and higher,
273
Edwards,

F. G., mechanical
philosophy and the second law
of dynamics, 183

and surface tension, 271
nuclear atoms, 155

Egg, substitution of albumen from
horse blood for white of, in
cooking, 177

Egloff, G., and W. Malisoff. (See
Malisoff, W.)

Electric arc, pressure upon the
poles of, 131
waves, transmission round the
earth, 106
Electrical effect

in vibrating
metals, experiments demon-
strating, 70
Electricity, standard for the mea-
surement of, 235

static, obtaining from an in-
duction coil, 178
Electrolysis of solutions of the
rare earths, 267
Electrolytic dissociation, 61
Electron, ring. the case for, 137,
149

Aug. 29, 1919

Beam, W)

Elliot, Major S., and Capt. J.
Dalton, method for the deter-
mination of small quantities
of acetone. alcohol, and
benzene in the air, 168
Employment of officers, 226
Emulsions and colloidal solutions,
96

Osmosis and, 215
English, S., and W. E. S. Turner,

properties of the lime soda
glasses, 106
Equations, Poisson's and Lap-
lace's, two dimensional solu-
tions, 105

Etchells, G. F., Mnemonic
Notation for Engineering
Formula" (review), 298
Ethane, action of phenyl mag-
nesium bromide upon the
polyhalogen derivatives of,

264
Ether vapour and air, spontaneous
ignition of mixtures of, 240
Exhibition, British Scientific Pro-
ducts, 34, 118

Science Guild, 189

Frederick, R C., improved method
for the estimation of nitrates
in water by means of the
phenolsulphonic acid reaction,

298

French, J. W.," Applied Optics"

(review), 262

Fruit of the Pyrus Americana, 92
Fryer, P. J., examination of com
mercial samples of nicotine,
297
Fuels, colloidal, 244
Fuller, D. S., J. C. McLennan,
and D. S. Ainslie. (See
McLennan, J C)
Funk, Ruth S., and F. W Tanner.
(See Tanner, F. W.)
Furnaces, electrical muffle, 263

utilisation as a refractory sub-
stance, and opacifier and an
abrasive, 115, 121
Graphitic carbon and graphitic
acid, 263
Gray, G. W., and J. Smith, esti-
mation of phosphorus in the
presence of tungsten, 258
Greek Exhibition, 186, 288
Greenwood, M., C. Hodson, and
A. E. Tebb, report on the
metabolism of female muni-
tion workers, 274
Grey, A., gyrostatics and rota-
tional motion. 177
Guinea-pig, dental changes in the
teeth of, produced by a scor-
butic diet, 118
Guttentag, W. E., "Petrol and
Petroleum Spirits (review),
225

290, 305

purification by electrolysis, and
the compressibility and density
of, 144

Gardiner, C. I., Silerian rocks of
May Hill, 298

H. A., casein waterproof glue,
300

Garforth, Sir W., photographs il-
lustrating pressure in explo-
Sons, 285

Canadian National, at Toronto, Garvin and Portevin, MM. (See
300

in Athens of British manu.
factures, 186, 286

of Chemical Industries, Chicago,

Portevin)

Gas evolution when fused sodium
is dissolved in

hydroxide
water, 251
from straw, 41
works retort carbon, order of
the Ministry of Munitions,

Fluorspar, convenient method of Glass industry of the United

analysis, 304

Fluxes, soldering, 83

Folliculina boltoni, S. Kent, 236
Fonzes-Diacon, M., stability of
javel extract, 275
Foods, osmotic pressure and pre-
pared, 215
Foodstuffs, export to Germany,

States, impressions of, 106
measurement of thickness of
film formed on, 295, 306
pots, preparation of raw ma
terials and casting, 177
vessels, permanent marking of,
161

Glasses, lime soda, properties of,

Francois, M., method of estimat-a-Glycols, molecular transposi-
ing metals by electrolytic de-
posit without the use of ex-
ternal electric energy, 83
Frankland, P. F., retirement of,
108

Gold, action of cyanide solution in
dissolving, 95

use of ortho-toluidine as
colorimetric test for, 162

a

177

HACKH, I. W. D., system of
structure symbols, 289
Hadfield, Sir R., examination of
materials by X-rays, 236
stereoscopic radiographs of large
carbon electrodes, 286
and S. A. Main, X-ray examin-
ation of carbon electrodes
used in steel making furnaces,
250
Haenni, P., and V. Kohlschutter.
(See Kohlschutter, V.)
Hageman, A M., contribution to

the chemistry of tellurium
sulphide, 212, 217

study of the preparation of cer-
tain organic saits of teliurinm,
169
Haldane, J. S, army form of ap-

paratus for continuous oxygen
administration, 285

Hale, A. J.." Applications of
Electrolysis in Chemical In-
dustry" (review), 201

G. E., photographs of the Zee-
man effect in the spectra of
sunspots, 285
Hardware and Engineering Sup-
plies Co., Ltd., amber glues,
215
Harris, L. J., methods of calculat-

ing added water in milk, 99
Harvey, T. F., and F. Mackley,
analysis of mercury and zinc
cyanide and of double cyanide
gauze, 236

Hatfield, W. H., "Cast iron in

the Light of Recent Research"
(review). 201

of

Havelock, T. H., wave resistance,
70
Hawkins, H. L., morphology and
evolution of the ambulacrum
in the echinoidea, 175
Heath, Sir F., the Government
and the organisation
scientific research, 127, 134
Helium, electrons in, experi-
mental determination of the
ionisation potential for, 82
rapidly moving striated dis-
charge in, 286
Henry, T. A., appointment, 108
Hibbert, Eva, and E. Knecht.

(See Knecht, E.)
Hicks, W. M., critical study of

spectral series, 70
Hierarchical order among the
correlation coefficients of a
number of variates taken in
Paris, 105
Hilditch, T. P., and E. F. Arm-
strong. (See Armstrong, E.F.)
determination
Hildt, E.,
of
lactose, 83
Hill, L, and H. Ash, cooling and
evaporative powers of the
atmosphere, as determined by
the kata-thermometer, 7
Hodgson, G. H., notes on the
rapid estimation of lead in
brass and alloys, 37

315

Hodson, C, M. Greenwood, and
A. E. Tebb. (See Greenwood.
M.)

Holt, F., and N. G. S. Coppin.
(See Coppin, N. G. S.)
Horsch, M., method of rapid re-
duction of potassium chloro-
platinate, 191
Horton, F., and Ann C. Davies,
experimental determination
of the ionisation potential for
electrons in helium, 82
Hubbard, G. construction of a
dew pond, 190
Humus, richness of soils in,
chlorine index as a compara-
tive measure, 190
Hydrocarbons, influence of cata-
lysts on the chlorination of, 91
Hydrogen atoms, mobility
organic molecules, 264
occlusion by the metallic ele-
ments, 275

Indicator, new form of CO,. 251
Indigo, revival of, 232
Inductance, simplified calcula
tions, 166
Induction coil, obtaining static
electricity from, 178
Industry and higher education, 273
application of science to, 299
Infection, bacterial, new factor in
mechanism of, 118
Influenza, electrolytic disinfectant
in. 48
Inglis, J. K. H., manufacture of
chloramine T, 67, 77
Institute of Chemistry, 168
annual general meeting, 119
Institution of Civil Engineers, 72
of Electrical Engineers, 183
of Gas Engineers,
annuai
general meeting, 299
Instruments for measuring minute
susceptibilities, 285
Iodides, alcoholic,

action on
neutral sodium phosphate in
aqueous solution, 191
Iodometric equivalents, 231
Iodometry, arsenious oxide as a
standard substance in, 184
Iodine determinations, technique
of, 182

sorption by carbon, 8
Ionising particles, stereoscopic
photographs of tracks of,
through air, 286
Iron and Steel Institute, annual
meeting, 202

Iron and steel, phosphorus in, de-
termination, 100

industry, German,
Minette ore, 238

KAOLIN deposits, new, 237

Kata-thermometer, cooling and
evaporative powers of the
atmosphere, as determined
by, 7

Katharometer for measuring the
purity of gases, 286

Lysorophus, structure as exposed
by serial sections, 273

the molecular complexity of
liquid sulphur, 47
Kelp, order of the Ministry of
Munitions, 142

Kennard, Major E, exhibition in
Athens of British manufac-
tures, 187

King, P. E., water softening, 14
Knecht, E, and Eva Hibbert,

"New Reduction Methods in

Volumetric Analysis" (re-
view), 83
Kohlschüiter, V., and P. Haenni,
graphitic carbon and graphitic
acid, 263
Kokatur, V. R., influence of cata-

lysts on the chlorination of
hydrocarbons, 91
Komninos, I., new passage from

the fatty to the aromatic
series, 191
Komrinos, T., new synthesis of
aromatic from fatty com.
pounds, 83

Krause, H., new method of deter-
mining oxalic acid, 239

occlusion, and the sorption
of iodine by carbon, 8
McCance, A., balanced reactions
in steel manufacture, 8
McLennan, J C., D. S. Ainslie,
and D. S. Fuiler, vacuum arc
spectra of various elements in
the extreme ultra-violet, 81
and R. J. Lang, investigation
of extreme ultra-violet spectra
with a vacuum grating spec-
trograph, 81

and J FT. Young, absorption
spectra and ionisation poten-
tials of calcium, strontium,
and barium, 81
Mackley, F., and T. F. Harvey.
(See Harvey, T. F.)
Magnetic storms of March 7-8,
and Aug 15-16, 1918, 164
susceptibuities of Tow older,

measurement of, 82
Maillard, L. C., determination of

arsenic in volatile cacodylic
compounds, 276

Main, S. A, and Sir R. Hadfield.
(See Hadfield, Sir R.)
Malis ff, W., and G. Egloft,
m thane, 60

Lævulose, utilisation by the higher
plants, 249

Land affected by clover sickness,
seed mixtures for, 164
Lang, R. J. and J. C. McLennan.
(See McLennan, J. C.)
Lapicque, L., and E. Barbé,

chlorine index as a compara-
tive measure of the richness
of soils in humus, 190
Le Chatelier, H, and B. Bogitch,
heterogeneity of steel, 23
Lead in brass and alloys, rapid
estimation, 37

in pharmaceutical zinc oxide,
309

soluble, in glaze of casseroles,
176,275

Leather, willow calf, 95
Ledoux-Lebard, R, and A. Dan-

villier, spectral structure of
the J-rays, 240
Lee, T. H., two new zircon
minerals, orvillite and olivear-
aite, 125
Leger, E., a- and B-oxydihydro-

cinchonines and their role in
the production of certain
isomers of cinchonine, 191
Lemon. B. J, and L. M. Dennis.
(See Dennis, L. M.)
Levy, H., and W. L. Cowley.
(See Cowley, W. L.)
Liquid surface, nature of, 292
Lifschitz, J., researches on chemi-
cal luminescence, 204
Light, diffusion by molecules of

air, 203

of

influence upon absorption
organic matter of soil by
plants, 203

scattering by solid substances,

131
Linalool, constitution, 191
Lobster shells, inorganic con -
stituents of, 125
Lodge, Sir O, science and war,
104

Lord, W, determination of phos-

phorus in phosphor tin, 254
Loring, F. H, atomic structure

and chemical affinity, 145, 168
disruption of the nitrogen atom,
311

Loroglossine, a new glucoside, 204
Luff, A. P., and H. C. H. Candy,
Manual of Chemistry" (re-
view), 189
Luminescence, chemical, 204

measuremeat of the growth of
trees, 285

note on the elasticity of metals

as affected by temperature, 94
Manganese deposit in Ecuador,

Masters, Helen, note on soluble
lead in the glaze of casseroles,
176, 275
May, P., · Chemistry of Syn-
thetic Drugs" (review), 71
Mechanical philosophy and the
second law of dynamics, 183
and surface tension, 270
Meggers, W. F., K. Burns, and
P. W. Merrili (See Burns,
K)

Melliere, M. G., determination of

sulphuric acid and sulphates,

251
Melting-points of chemical ele-

ments and other standard
temperatures, 129
Mercury and zinc cyanide and

double cyanide gauze, ana-
lysis, 236
emission and absorption in the
infra-red spectra of, 81
fulminate and some of its im-
purities, 239

Merrill, P. W., K. Burns, and

W. F. Meggers. (See Burns,
K)

Merton, T. R., and J. W. Nichol-

son, note 00 the intensity
decrement in the Balmer
Series, 183

Metabolism of female munition
workers, 274
Metals, chemicals, machinery, and
plant, control of, 19

tion of a mixture of similar
salts of two, 3, 107
elasticity of, as affected by tem-
perature, 94
estimating by electrolytic de-
posit without the use of ex-
ternal electric energy, 83
inter-crystalline fracture under
prolonged application of stress,

Milk, calculating a ded water in,
99

electrical conductivity of, 176
substitute for, 177
Mineral elements and nitrogen in

etiolated plants, distribution,
144

Minerals, radio-activity and the
coloration of, 144
Ministry of Munitio s, control of

metals, chemicals, machinery,
and plant, I)

order as to ammonia and am-
moniacal products, 142
acetic acid, grey acetate of
lime, and acetone, 12
bismuth ores, bismuth metals,
and products therefrom, 142
blast-urnace dust, 200
converter plant, 130
copper sulphate, 200
gas works retort carbon, 200
nitrate of soda, 200
potassium compounds, kelp,

142

rosin and rosin oil, 130

seeds, oils, and fats, 154, 225
Moles, E., thermic decomposition
of certain inorganic trinitrides,
178
Molybdenum, the war and, 238
Monochlorbenzene in mixtures

containing benzene, mono-
chlorbenzene, and dichlor-
benzene, 176
Montgomery, J. P., production of
nitrogen compounds, 162, 173
More, A, and G. Stubbs. See
Stubbs, G.)
Morphine in Indian opium, esti-
mation, 298
Morris, MacG., portable apparatus

for measuring air currents,
285
Moser, L., yellow cuprons oxide,

rapidly moving striated dis-
charge in, 296
Nerol, constitution, 191
Nessler reagent, recovery of, 82
New Transport Co., Ltd, 297
Newall, F. H, Hale's photographs
of the Zeeman effect in the
spectra of sunspots, 285
Newbery, E., and H. Lupton,
radio activity and the colora-
tion of minerals, 144
Nicholson, J. W., and T. R.

Merton. (See Merton, T. R.)
Nickel, catalytic dehydrogenation

by, in presence of hydrogen,
239

in ores and alloys, rapid method
for determining, 297
Nicolaeva, V., and S. Reich. (See
Reich, S)
Nicolardot, P., and J. Boudet, re-

searches on mercury fulminate
and some of its impurities,
239
substitutes for platinum elec-
trolytic apparatus, 179
and C Chatelt, action

of
alkalis on crucibles made of
alloys of plat num and gold,

179

Foster, George Carey, 95

Pickering, Edward Charles, 143
Redwood, Sir Boverton, 311
Occlusion, theories of, 9

Officer's guide to civil careers, 296
Oil of Ceratotheca sesamoides,
297

Oliveiraite, 125

Opium, morphine in Indian, esti-
mation, 298

Optical activity, researches in,

277

Orékhoff, A., researches on mole-
cular transpositions of a.
glycols, 191
Organic compounds, configura -
tions of, and their relation to
chemical and physical pro-
perties, 16, 30, 42, 53, 68, 77

Aug. 29, 1919

Ormandy, W. R., motor fuel
problem, 49

Ortho-toluidine as a cclorimetric
test for gold, 162
Orvillite, 125

Oscillatory circuits, vector dia-
grams of some, used with
thermionic tubes, 165
Osmosis and emulsions, 215

a.

and B-oxydihydrocinchonines
and their role in the produc-
tion of isomers of cinchonine,
191

Oxygen, a revolutioniser of in
dustry, 180

administrating, army form of
apparatus for, 285
1.quid, container and vaporiser
flask, 285

occlusion in si ver, 9
Oxyme hylene camphor, reduction

products of, 192
Ozone, reagent for and method of
determining, 216

PALESTINE, geology of, 274

trade catalogues for, 227
Palet, L. J. P., reaction of aconi-
tine, 264

Paper, chemistry of dendritic
growths in, 236
underwear, 190

Paris, inter-allied conference of
chemistry at, 259
Partington, J. R., oxidation of
coal, 30

Pasteur, M., and the medical pro-
fession, 177
Patterson, T. S., and K. L

Moudgill, researches in opti-
cal activity, 277.
Pattison, J. N., Manufacture of
Aluminium" (review), 298
Penard. E, Folliculina boltonia,
S. Kent, 236
Petrography of the millstone grit
series of Yorkshire, 298
Pettijohn, E., measurement

of

the thickness of film formed
on glass and sand 295, 306
Phenyl hydrazine, action on di-
oxindols, 264
magnesium

bromide, action
upon the polyhalogen deriva-
tives of ethane, 264
Philip, J. C., physical chemistry

and its bearing on the chemical
and allied industries, 159, 171,
181 194, 206, 219
Phosphor tin, determination of
phosphorus in, 254
Phosphorites and superphosphates

from the point of view of the
sulphur industry. 73
Phosphorus, estimation in pre-
sence of tungsten, 258
in phosphor tin, determination,
254

in steel and iron, determination,

100

in vanadium steels, ferro -
vanadium, non vanadium
steels, and pig iron, deter-
mination, 113
Photographic plates, 190
Physical Society, 46, 166, 261

annual general meeting, 165
chemistry and its bearing on
the chemical and allied in-
dustries, 159, 171, 181, 194
206, 219

Pickering, E. C., obituary, 143
G. F., "Aids to the Commercial
Analysis of Oils, rats, and
their Commercial Products
(review), 120
Piezo-electricity, 263
Pineapple, action of ultra-violet
rays on, 118
Plants, absorption of organic

matter of soil by, influence of
light, 203

distribution of mineral elements

and nitrogen in etiolated, 144
marine, spectrographic study of
ash of. 251
utilisation of glucose and lævu-
lose by the higher, 240

trolytic apparatus, 179
Polariser, new, 167

Pollard, W. B, use of ortho-
toluidine as a colorimetric
test for gold, 162
Polyhalogen derivatives of ethane,

action of phenyl magnesium
bromide upon, 264
Pope, T. H., "Treatise on Applied
Analytical Chemistry" (re-
view), 59
Poitevin and Garvin, MM., form

ation of troostite at a low tem-
perature in carbon steels, 240
Pot attack, some phenomena of,
287

Potash, alcoholic, action on resins,
264

situation, 227
Potassium chloropla inate, rapid
reduction, 191

Poultry food, Mexican insects in,

RA

ADIO-ACTIVE change, con-
ception of the chemical ele-
ment as enlarged by the stu y
of, 85, 97, 109

activity, acquired, 229, 241

and the coloration of minerals
144
Radium, 287

Rakshit, J. N., and F. J D'Costa,

estimation of Indian morph.n
in Indian opium, 298
Rationing committee abandoned,
35

Rays, ultra violet, action on
sugar-cane, pineapple, and
banana, 118
Reagent, Nessler, recovery of 82
new, for bases and acids, 203
Redwood, Sir B., obituary, 311
Reed, B. B., some American

dolomites, 181
Reglade, A., and P. Nicolardot.
(See Nicolardot. P)
Reich. S., and V.i olaeva,

cyclisation by e imination of a
nitro group, 263
Resea ch, industrial, Government
scheme for, 130
scientific, the Government and
the organisation of, 127, 134
Resins, action of alcoholic potash
on, 264

Rhine territories, supply of goods
to, 235
Richards, T. W., and S. Boyer,

purification of gallium by
electrolysis and the compres
sibility and density of gallium,

144
Richardson L. F., measurement
of water in clouds, 154
Ridsdale, W. D., notes on the

determination of phosphorus
in steel and iron, 100
Rigni, A, I Fenomeni Elettro-

atomici sotto l'Azione del
Magnetismo" (review), 201
Rivett, A. C. D., method for the

volumetric estimation of sul-
phates, 253
Roberts, 11. A., employment of

officers, Cambridge University
appointments board, 226
Rocks, silurian, of May Hill, 298
Rogers, L. J., note on the deter-

mination of carbon in steel,
243

joint meeting with Faraday
Society, 236

Rose, Sir T. K., occlusion of
oxygen in silver, 9
Rosen, O., preliminary study of

the energy, expe diture and
food requirements of women
workers, 274
Rosenhain, W, some phenomena
of pot attack, 287

and S. L. Archbutt. inter-
crystalline fracture of metals
under prolonged application
of stress, 188
Rosin and rosin oil, order of

Ministry of Muniti ns, 30
Royal Institution, 6, 38, 59, 84, 95,
106, 112, 120, 131, 155, 180, 192.
201, 226, 250, 274
annual meeting. 227
Microscopical Society, 236
Society, 7, 70, 81, 94, 105, 118,
131, 154, 164, 175, 189, 260, 273,
310

convers zone, 285
Ruddernam, W, appointment, 202
Ruph, H., A. Akermann, and H.

Takagi, reduction products of
oxymethylene camphor, 192

in

SABATIER, P., and G.Gaudion.
catalytic dehydrogenation by
nick in presence of hydro-
gen, 239
Saccharine, determination
tabloids, 96
Salts of two metals, determining
composition of mixture of,
without separating into its
constituents, 3, 107
Sand, measurement of thickness
of film formed on, 295, 306
Sanfourche, A., cycle of oxidation
of nitrogen dioxide in presence
of water, 179
oxidation of nitric oxide by dry
air, 179

and P. Jobois. (See Jolibois, P.)
Sarjant, R. J., and W. A. Bone.

(See Bone, W. A.)
Sarkar, B. K. "Hindu Achieve-
ments in Exact Science" (re
view), 225
Sausages and meat paste, approxi-

mate method of analysis, 168
pastes and Army rations, ana-
lysis, 163, 205
Schoeller, W. R., and A. R.

Powell, rapid method for de-
termining nickel and cobalt in
ores and allies, 297
Schramm, W. H.. evolution of gas

when fused sodium hydroxide
is dissoived in water, 251
Science and labour unrest, 312
and war, 104

application to indus'ry, 299
of the future. 12, 25, 44.51
Scientific writers, linguistic
nomenclature of, 46

Seed mixtures for land affected by
clover sickness, 164
Seeds, oils, and fats. order of the

Ministry of Munitions, 154,
225

Shakespear, G. A., katharometer
for measuring the purity of
gases, 286

Shaw, Sir N, structure of the
atmosphere on selected occa-
sions, 285
Shelbourne, E. T, and J. H.

Coste. (See Coste, J H.)
Shippee, V. C., fruit of the Pyrus
Americana, 92

Ships, chances of loss of merchant,

317

Sisson, G., and J. S. Edmondson,
note on the extraction of
thallium from pyrites flue
dust, 175
Skinner, S., and R W. Burfitt,
temperature coefficient of
tensile strength, 165
Slags, basic, containing fluorine,
convenient method of analysis,
304
Smith, D. M, occlusion of hydro-
gen by the metalic elements,
275

J., and G. W. Gray. (See Gray,
G. W.)
Smithells, Prof., application of
science to industry, 299
Smout, A. J. G., iodom tric qui-
valents, 231

Society of Glass Technology, 106,
176, 287

annual meeting, 211

of Public Analysts, 82, 167, 176,
236, 297

Soda ash in Canada, 178

nitrate, order of the Ministry
of Munitions, 200
Soddy, F., conception of the

chemical elements as enlarged
by the study of radio active
change, 85, 97, 109

Sodium hydroxide, fused, evolution
0 gas when
dissolved in

water, 251

70

structure of the J-rays, 240
Spectr m of neon, measurement
of wave-lengths, 194
Spielmann, P. E., and H. Wood,

estimation of cyanogen com-
pounds in concentrated am-
monia liquor, 157
Standards, British chemical, 288
Stanno- and stanni-chlorides, pre-
paration, 1, 87
Stannous chloride, estimation of

nitro-groups in organic com-
pounds by means of, 133
Steel and iron, phosphorus in, de-
termination, Io

carbon in, determination, 243
heterogeneity of, 23

manufacture, balanced reactions
io, 8

occlusion of gases in, 9
Steels, carbon, formation of
troostite at a low temperature
in, 240
Steiger, G., and F. W. Clarke.
(See Clarke, F. W.)
Steinheil, A., and E. Voit, "Ap-
plied Optics (review), 262
Stokes, A. W., analysis of saus-

ages, meat pastes, and army
rations, 168, 205
Stopes, M. C, four visible ingre-

dients in banded bituminous
coal, 7
Strachan, J., chemistry of dendritic
growths in paper, 236

Straw, gas from, 41
Strontium, absorption spectra

and ionisation potentials, 81
Structure symbols, system of, 289
Strutt, R. J., scattering of light by
solid substances, 131
Stubbs, G., and A. More, approxi-

mate method of analysis of
sausages and meat paste, 168
Sugar, cane, inversion by colloidal
silica, 59

Sugars, volumetric determination
of reducing, 140, 151
Sugar-cane, action of ultra-violet
rays on, 118

Sulphates, determination, 251
volumetric estimation, 253
Sulphur, determination of the

molecular complexity
liquid, 47

industry, phosphorites

superphosphates

of

and

from the

point of view of, 73
vapour, constitution, 131
Sunspots, photographs of Zeeman
effect in spectra of, 285
Superphosphates and phosphorites

from the point of view of the
sulphur industry, 73
Surface tension, mechanical philo-
sophy and, 270

Surfaces, area o', 260
Sutton, J.R., Kimberley diamonds,
especially cleavage diamonds,
31, 38.55, 64
Swarf, brass ingots from, analysis

Tebb, A. E., M. Greenwood, and
C. Hodson. (See Greenwood,
M.)
Technical Inspection Association,

215

Teeth of the guinea-pig, dental

changes produced by a scor-
butic diet, 118
Tellurium, preparation of certain
organic salts of, 169

sulphide, contribution to chemis-
try of, 212, 217
Tetanus, distribution of the sero-
logical types of B. tetani in

wounds of men who received
prophylactic inoculation, 119
Thallium, extraction from pyrites
flue dust, 175
Thomlinson, J. C., atoms, elec-
trons, and valency, 179
constitution of acetic acid, 23
emulsions and colloidal solu-
tions, 96

osmosis and emulsions, 215
osmotic pressure and prepared
foods, 215

willow calf leather, 95
Thompson, S., memorial lecture,
174

Thomson, G. H., cause of
hierarchical order among the

Troostite, formation at a low tem-
peratura in carbon steels, 240
Tsuji, T., action of ultra-violet

rays on sugar cane, pineapple,
and banana in Hawai, 118
Tulloch, distribution of the sero-
logical types of B. tetani in
wounds of men who received
prophylactic inoculation, 119
Tuning fork generator for sine-

wave alternating currents, 47
forks of low-frequency, compar
ing and determining their
damping decrem-nts. 47
Turner, W. S. S., J. D Cauwood
and Constance Muirhead. (See
Cauwood, J. D.)
and S. English. (See English,
S.)

UNITED STATES and Great

Britain, an appreciation, 238
VARNISH, black, for wood, 262
Vector diagrams of some oscilla-
tory circuits used with therm-
ionic tubes, 165
Verley, M.,

constitution of
geraniol, linalol, and nerol,
191

Wave resistance, 70
Welding operations, eye protec-
tion in. 250
Wells, E. M., and S. S. Zilva.
(See Zilva S. S.)
Wilson, C. T. R., stereoscopic
photographs of the tracks of
ionising particles through air,
286
E., instruments for measuring
minute susceptibilities, 285
measurement of magnetic us
ceptibilities of low order, 82
H. N., method for determining
the composition of a mixture
of similar salts of two metals,
without separating the mix-
ture into its constituents, 3
Wolfram, 283
Women workers, energy, expendi
ture and food requirements of,

274

Wood, H., and P. E. Spielmann.
(See Spielmann, P. Ė)
Wcod, black varnish for, 262
Woodhead, G. S., and V. jones,
temperature recorder ap -
paratus for clinical use, 286

number of variates taken in
Paris, 105

Sir J. J., appointment, 263
Tin-plate, carboard rendered
waterproof as substitute for,

201

Tirelli, L., phosphorites and
superphosphates from the

point of view of the sulphur
industry, 73
Titanium compounds, preparation

and uses of, 177
Toronto, Canadian National Ex-
hibition at, 300
Torrance, D. M., and L. Fordyce.
(See Fordyce, L.)
Tottingham, W. E., changes in a

fermenting mixture of cow
and horse manure, 177
Trade catalogues for Palestine,
227

finance for, 20

with Russia, 215

with the left bank of the Rhine,
231
Trees, apparatus used in the
measurement of the growth
of, 285
Trinitrides, thermic decomposi-
tion of inorganic. 178
Trinitrotoluene residues and their
utilisation, 13

demonstrating an electrical
effect in, 70

terials by, 236

Vibration and strength of struts YEAST, mineral, 286

and continuous beams under
end thrusts, 94
Villavecchia, V., "Treatise on

Applied Analytical Chemis-
try" (review), 59
Voit, E, and A. Steinheil. (See
Steinheil, A.)

WALLIS, T. E., Mexican in-
sects in poultry food, 297
Waste products, 12
Water, colour of, 197, 208, 222,
233, 248, 254

in clouds, measurement of, 154
nitrates in, improved method
for estimation by means of
phenolsulphonic acid reaction,

298

power in Europe, 251
softening, 14, 27
temperature coefficient of tensile
strength of, 165
Watsoh, D. M., coal conserva-
tion, 226

E. R., "Colour in Relation to
Chemical Constitution " (ie-
view), 22

G. N., transmission of electric
waves round the earth, 106

Yorkshire, petrography of the
millstone grit series of, 298
Young, J. F. T., and J. C.
McLennan. (See McLennan,
J. C.)
W. H., area of surfaces, 260

ZEEMAN effect in the spectra
of sunspots, photographs of,
285
Zilva, S. S., and E. M. Wells,
dental changes in the teeth of
the guinea-pig produced by a
scorbutic diet, 118

Zinc, emission and absorption in
the infra-red spectra of, 81
oxide, lead in pharmaceutical,
309
Zircon minerals, two new, orvillite
and oliveiraite, 125
Zirconia, its utilisation as a re-

fractory substance, an opacifier
and an abrasive, 115, 121
export from Brazil, 300
Zirconium, determination, 179
Zonal harmonics of high order in
terms of Bessel functions, 189