July 23, 1915

McKenzie, A., H. D. K. Drew,

and G. H. Martin, conversion
of l-phenylchloroacetic acid
into d-diphenylsuccinic acid,
33

McSwiney, A., chromic acid, 288
Magnesium, separation from

lithium by means of am-
morium carbonate in alco-
holic solution, 305
Magnets, criterion of steel suit-
able for permanent, 119
Magnetic disturbances in the

earth's field due to dynamite
explosions, burning black
powder, and the fog-horn of a
steamer, 95
diurnal variations, difference
between, on ordinary and
quiet days at Kew Observa-
tory, 222
Manganese, favourable action on

bacteria of leguminous plants,
168

Marbaker, E. E., separation of

tungsten from molybdenum,
53

Marcille, R., determination of

iodine indices in alcoholic
liquids, 72

Martin, G., preparation of silicon
chlorides, 208

resea ches on silicon com-
pounds, II

Medicinal plants, cultivation for
the drug market, 26
Meldola, R, professional chemists
and the war, 128
Meldrum, R., menthol, its melt-

ing and solidifying-point, 229
solidifying point of mutton
tallow, 99

spermaceti, its solidifying and
melting-point, 37

thymol, its melting and solidi-
fying-point, 193
Menthol, its melting and solidi-
fying-point, 229
Menthones, co-ordination of rota-
tory powers of, II
Menthyl compounds, co-ordina-

tion of rotatory powers of, II
Mercuric chloride, action

on

organic sulphur compounds, 32
sulphate, action of halogens on,
288
Merton, T. R., application of in-

terference methods to the
study of the origin of certain
spectrum lines, 282
experiment showing the dif-
ference in width of the spec-
trum lines of neon and hy.
drogen, 284

origin of the "4686" series, 223
spectra of ordinary lead and
lead of radio-active origin, 95
Meston, L A., and J. B. Hender-

son. (See Henderson, J. B.)
Metabolism in organs, effect of

functional activity upon, 130
cell, surface tension as a factor
controlling, 236
Metacrolein, heat of formation, 252
Metals, action on chlorides of

carbon, 252

elastic strength of, 285
influence of gases on the emis-
sion of electrons and ions from
bot, 310

New York, sandy soil of Sylvan

Beach, 49
Nicholson, J. W., band spectrum

associated with helium, 310
laws of series spectra, 143
Nickel, action on water, 56, 67,
78, 91, 102

and its oxides. use in catalysis,

228

bromide, anhydrous, prepara-
tion with ethyl oxide, 48
Niobium. (See Columb um)
Nipher, Prof, magnetic disturb-

ances in the earth's field due
to dynamite explosions, burn-
ing black powder, and the fog.
horn of a steamer, 95
Nitrates, production from air, 34
Nitrogen and phosphorus com-

pounds, constitution, 113
in rain and snow, 61

of processed fertilisers, 145, 162,
169, 186
Nitrogenous constituents of ex-

tracts derived from albuminous
substances, methods adopted
in estimation of, 249
Norton, J. F., and A. G. Wood-

man. (See Woodman, A. G )
Number relations amongst the
elements, 13

317

Numerical relationships between | Pendulum, method of measuring
electronic and atomic con- the coincidence period of a
stants, 283
kater and a clock, 275

OAKENFULL, J.C., "Brazil "

Pepper, structure of, 143
Permanganate determination of
iron in presence of chlorides,
114, 124, 140, 147
Petroleum Technologists, Insti-
tution of, 58

Sir Arthur Phalic element in alchemical
doctrine, 203

(review), 312
Obituary, Church,
Herbert, 257
Louis, D. A, 251
Müller, Dr. Hugo, 276
Rawson, Dr. S. G., 167
Sell. William James. 214
Objectives, calculation of thin, 311
Okada, K., double salt of sodium

and potassium sulphates, 300
new method of determining
sodium and potassium in a
mixture of their salts, 300
Olaru, D., favourable action of
manganese on the bacteria of
leguminous plants, 168
Olary ores, recovery of actinium

and ionium from, 59
Onslow, H., contribution to our
knowledge of the chemistry
of coat colour in animals,

210

Optical instruments, report of

British Science Guild with
reference to manufacture of,
178

system, tracing rays through an
311

Orbits of a charged particle round

an electric and magnetic
nucleus, 117

Ores, principles governing ana-
lysis of, 95
Ormandy, W. R., Britain and Ger-

many in relation to the chemi-
cal trade, 3
Oscroft, P. W., "Advanced In-
organic Chemistry" (review),
of alcoholic

120

Osmotic pressure
solutions, 10
Owen, F., and W. A. Bradbury.
(See Bradbury. W. A.)
Oximes, isomerism of, az

22

and

24

II

Phenol, bromine method of deter-
mining, 191

Phenyl cyclohexane series, mole-
cular transposition in, 36
Phillips, P., and J. R. Innes,
stability of some liquid films,

190

Philosophical channels of alchemi-
cal tradition, 47
Phosphate, manufacture of acid,
296, 306
Phosphorus and nitrogen com-
pounds, constitution, 113
constitution of elementary, 113
Photographic effe&t of recoil
atoms, 119
Photography in colours, 156
Photosynthesis in organic chemis-
try, 208. 220, 231, 245
Phototropism of inorganic sys-

tems, 132
Physical Society, 118, 166, 189,
239. 274, 283, 310
Pickard, R. H., and J. Kenyon.
(See Kenyon, J.)
Picton, T., "Practical

Heat,

Light, and Sound" (review),
143

Pinacones, synthesis, 24
Plant chemistry, notes on, 289
Plants, favourable action of man-

ganese on bacteria of legu-
minous, 168
Platinic chloride, action on
organic sulphur compounds,
32
Platinum, reduction of iron oxides
by, 293

Poisson's ratio for a rectangular
lath, 275
Potysulphides,

anhydrous, of
alkaline metals, 48

of alkali metals, 10
Porter, A. W., Von Baby's law
and Kirchhoff's equation
for the latent heat of dilution,
284

and E. T. Paris, demonstra-
tion of the green flash of the
setting of an artificial sun,
190

and F. Simeon, change of
thermal conductivity with
fusion, 189

Potash, production and fertiliser
value of citric-soluble, 260, 268
Potassium and sodium, determin-
ing in a mixture of their salts,

32

Rayleigh, Lord, deep water waves,
progressive or stationary, to
the third order of approxima-
tion, 222

Raynaud, A., and F. Ducelliez.
(See Ducelliez, F.)

and L. Gay. (See Ducelliez,
F.)

Rayner, E. H., precision resist.
with

ance measurements

simple apparatus, 274
Rays, tracing through an optical
system, 311
y-Rays emitted by radium B and
radium C, absorption in lead,
282
Reaction

velocity in viscous
media, 285
Read, Holliday, and Sons, Ltd.,
48

Refractive index, accuracy of lens

and drop method of measur-
ing, 312

Rengade, E, and N. Costeanu,

anhydrous polysulphides of
alkaline metals, 48

Resistance measurements, preci.
sion, with simple apparatus,
274

Revis. C., and H. R. Burnett,
estimation of starch in cocoa
by use of taka-diastase, 286
Richards, T. W., and M. E. Lem-

bert, atomic weight of lead of
radio-active origin, 42, 50
Richardson, H, absorption in

lead of y-rays emitted by
radium B and radium C, 282
O. W., experiments illustrating
novel properties of the elec-
tron currents from hot metais,
284
influence of gases on the emis-
sion of elections and ions from
hot metals, 310

Richmond, H. D, 8-naphthol in
disinfectants, 312
Righi, A., Le Rotazioni Iono-
magnetische "(review), 108
Robertson, I. W., and G. A. Bur-
reil. (See Burrell, G. A.)
Rose, Sir T. K, electrolytic re-
fining of gold, 183, 196
Rosenblatt, M., and G. Bertrand.
(See Bertrand, G.)
Ross, W. H., use of radio-active
substances as fertilisers, 233.
242

Rotatory power, dependence on

chemical constitution, 11, 33
Rousseau, L, crystalline theo-
brominate of calcium, 228
Rowett, F. E., elastic properties
of steel at moderately high
temperatures, 142
Royal Institution, 72, 108, 124,
132, 168, 201, 224, 228. 288
Society, 70, 83, 94, 107, 116, 130,
142, 156, 165, 210, 222, 236,
248, 263, 282, 288, 310

of Arts, Albert Medal, 257
Rubber, estimation of sulphide
and sulphate sulphur and
action of solvents on vul-
canised, 191

Russian equivalent tables, 144

Salicylates, basic, 303
Saltmarsh, Maud, experiments on

condensation nuclei produced
in gases by ultra-violet light,
239
Salts coloured by cathode rays,
27,85

cupric, reduction by sugar, 22
metallic, of amino acids, at-
tempts to resolve, 23
Sand, H. J. S., and R. M. Caven.
(See Caven, R. M )
and others, "Dye-stuffs and
Coal-tar Products "(review),
214

Sandy soil of Sylvan Beach, New
York, 49
Saponification of derivatives of

ethyl benzoate, rate of, 23
Scarborough, H. A., preparation
of ethyl malonate and ethyl
cyanoacetate, 33
and H. McCombie. (See
McCombie, H.)
Schlaepfer,
M.
and M. O.
Forster. (See Forster, M. O)
Schoeller, W. R., general prin-
ciples governing complete
analysis of minerals and ores,

alkali metals, 10

(See Porter, A. W.)

tory, 128
Skossarewsky, M., electrolytic
dissociation of acetylene and
its metallic derivatives, 56
Slippy, H A., fruit of Clintonia
borealis, 2

Smith, T., notes on the calcula-
tion of thin objectives, 311
tracing rays through an optical
system, 311

W., Institution of Chemical
Technologists, 227
Snow, nitrogen and chlorine in, 61
Society of Chemical Industry,

London Section, 34, 60, 273
of Public Analysts, 60, 95, 143,
190, 216, 249, 286
Sodamide, action on allyldialkyl-
acetophenones, 288
Soddy, F., "The Chemistry of the

Radio-elements" (review), 83
Söderbaum, H. G, "Jac. Ber

zelius Bref" (review), 300
Sodium and potassium, determin-
ing in a mixture of their salts,
300

sulphates, double salt of, 300
coefficient of expansion of, 310
vapour, resonance radiation of,
248
Soil, investigations on protozo in

relation to the factor limiting
bacterial activity in, 83
Solenoids of appreciable winding

depth, self-induction of, 240
Solutions, heats of d lution of con-
centrated, 223

Sosman, R.B., and J. C. Hostetter,

reduction of iron oxides by
platinum, 293
Sound, determination of γ from
the velocity of, 288
South African Association for the
Advancement of Science, 252
Spectra, laws of series, 143
of ordinary lead and lead of
radio-active origin, 95
Spectrum band, associated with
helium, 310

new type of series in, 94
lines, application of inter-
terence methods to the study
of the origin of certain, 282
of neon and hydrogen, experi-
ment showing difference in
width, 284

origin of "4868" series, 223
Spermaceti, its soliditying and
melting point, 37
Starch in cocoa, estimation by

use of takadiastase, 286
Starling, W. W., and G. Barger.
(See Barger, G.)
Steam, measurement of specific

heat of, at atmospheric pres-
sure and 104'5° C., 263
Steel, determination of copper in,

195

elastic properties at moderately
high temperatures, 142
experiments on the influence of
composition on corrosion o!,
285
industry opportunities for
Britain, 88

simpl fied terrous sulphate me-

thd for determination of
vanadium in, 304

suitable for permanent magnets,
criterion of, 119
Steven, A. I, and A. B. Wood
(See Wood, A. B.)
Stevens, H. P., estimation of sul-

phide and sulphate sulphur and
the action of solvents on vui-
canised rubber, 191
Stillman, T. B.," Examination of

Lubricating Oils" (review), 47
Stockberger, W. W, cultivation
of medicinal plants for th:
drug market, 26
Strutt, R. J.. observations on the
resonance radiation of sodium
vapour, 248
Stuart, A. T.," The Farmer as a
Manufacturer " (review), 72

Ju'y 23, 1915

Sugar, reduction of cupric salts
by, 22

Sugars, alkylated, new method of
preparing, 22
Sullivan, E. C., and W. C. Taylor,
some rapid methods for glass
analysis, 64
Sulphate in river waters, 86, 126
Sulphates in flour, determination,
95
Sulphide and sulphate sulphur,

estimation and action of
solvents on vulcanised rubber,
191
Sulphur compounds, action of
mercuric, cupric, and platinic
chlorides on organic, 32
in motor spirits, estimation. 39
in soluble sulphates, improve-
ment of barium sulphate de-
termination of, when sodium
salts are present, 100
methods of analysing, 168
removal from silver, 10
Sun, demonstration of the green
flash of the setting of an arti-
ficial, 190

Surface tension

action, 236

and ferment

as a factor controlling cell
metabolism, 236
Sutherland, Maggie M. J., F. J.

Wilson, and I. M. Heilbron.
(See Wilson, P. J.)
Swansea, proposed trade con -
ference at, 228
Technical College, r44
Swinton, A. A. C., a galvanic cell
which reverses its polarity
when illuminated, 118

Tallow, mutton, solidifying point,
98
Tantalum,
of

determination
niobium in presence of, and
some reactions of tantalum
compounds, 191

Tariffs, free trade and industry, 25
Taylor, W. C., and E. C. Sullivan.
(See Sullivan, E. C.)
W. W.," Chemistry of Colloids

and some Technical Applica-
tions" (review), 167
Technology, research scholarships
in, 276

Telephone receiver, a differential,
275

Temperatures, high, estimation by

method of colour identity, 166
Tetranickel-triarsenide, its cap-

acity as silver precipitant, 217
Thermal conductivity, change
with fusion, 189
Thomas, J., Muter's Short
Manual of Analytical Chemis-
try" (review), 143
Thompson, F. C., elastic strength
of metals, 285

S. P., criterion of steel suitable
for permanent magnets, 119
Sir J. J., Albert Medal, 257
Thymol, its melting and solidi-
tying-point, 193
Tiffeneau, M., molecular trans-

position in the cyclohexane
series, 36
Tilden, Sir W. A., science and
the State, 108
Tin, action on water, 56, 67, 78,

91, 102

and copper groups, new method
for analysis of, 206
atomic weight, 21
Tinkler, C. K., and F. Challenger,
"Chemistry of Petroleum and
its Substitutes " (review), 156
Toluene, bromination, 10. 48
Toues, theories of Voigt and
Everett regarding origin of
combination, 239
Topley, W. W. C., influence of
salt concentration on hæmo-
lysis, 83
Tormentol, 232

July 23, 1915

Trade conference at Swansea, 228
Tsakalotos, W. E., and S. Horsch,
decomposition of aspyrin by
water, 48
Tube, electromagnetic waves in a
perfectly conducting, 70
Tucker, W. S., heats of dilution
of concentrated solutions, 223
Tungsten, separation from molyb-
denum, 53

Turner, W. A., improvement of

the barium sulphate deter-
mination of sulphur in soluble
sulphates when sodium salts
are present, 100

W. E. S., "Molecular Associa-
tion" (review), 214

and others," Text-book of In-
organic Chemistry" (review),
58

Tutin, F., isodibenzoylglucoxy-
lose, 32

319

of acid phosphate, 296, 306
production and fertiliser value
of citric-soluble phosphoric
acid and potash, 260, 268
Wahl, A. "Manufacture of Or-

ganic Dye-stuffs" (review), 47
Waite, A. E., the beginnings of
alchemy, 250

the phalic element in alchemi-
cal doctrine, 203
Walden inversion, 29

or stationary, to the third
order of approximation, 222
Welsh notes, 262, 273, 282, 299,
309

Westcott, W. W., and W. H.

Martindale. (See Martindale,
W. H.)

Weston, P. W., block gambier,
motor oil, 240
Williams. Evelyn K., chemical

appointments, 180

H. E., "Chemistry of the
Cyanogen Compounds" (re-
view), 71

high permeability in iron, 284
F. J., I. M. Heilbron, and
Maggie M. J. Sutherland,
contribution to our knowledge
of semicarbazones, 23
Wood, A. B., and A. I. Steven,
investigation of the photo-
graphic effect of recoil atoms,

119
Woodman, A. G., and J. F.
Norton," Air, Water, and
Food from a Sanitary Stand-
point" (review), 131

X-RADIATION, method of cal-

culating the absorption coeffi-
cients of homogeneous, 283
X-Ray bulbs, soft soda glass suit-
able for, 309

X-Rays and crystalline structure,
165

Xylene, bromination, 48

YATES, H.J., W. A. Bone, and
H. L. Callendar. (See Bone,
W. A.)
Yeast, thermoregeneration of dif-
ferent diastases of, 120

ZAPPI, E. V., action of metals
on chlorides of carbon, 252
Zinc, action on water, 56, 67, 78
91, 102