NEWS

53

Nitriles,

imides, 34

jodide, 257

OBITUARY, J. M. Merrick,162

Peter le Neve Foster, 93
Thomas Wills, 217
William George Valentin, 204
Occluded and nascent conditions,

action of substances in the,gr
Ogier, J., liquefaction of silicide
of hydrogen, 103

thermic formation of hydrogen
silicide, 251

Oglialoro, A., characteristic re-

actions of picrotoxin, 264
studies on Teucrium fruticans,
149

synthesis of phenyl-cinnamic
acid, 149

Oil of turpentine, effects of in-

haling, 251

olive, test for, 136
seed, new, 264
Oils, 34

essential, limited oxidation of
the, 279

Oino-chemical researches, 23
Olive oil, test for, 136
Oudemans, A. C., researches on
quinamin, 173
Optics, spectroscopic, 253
Organic bodies containing halo-
gens or nitrogen, 228
"Organic Chemistry, Manual of"
(review), 275

Organic chemistry, seven funda-
mental types of, 37, 47, 59
ultramarines, 63

Organo-zinc compounds, action
of on quinors, 261
Ostwald, W., volumetro-chemical
studies, 277

Otto, R., and C. Pauly, formation
and constitution of the di-
sulphoxides of benzol and
toluol, 185

and the horns of an, 23
Oxalic acid, action of potassium

permanganate upon, 18
Oxidation, rapid, probable be-
haviour of various metals,
&c., when subjected to, 217,
238
Oxidations and reductions, 41
Oxide, chromic, 106

magnetic, on iron surfaces, new
method of producing a coat-
ing of, 212

of nickel, Ni,O,, existence of

an, 53

Oxides of cobalt and nickel, com-
plex, 81

on salts, action of, 183
Oxy-ferrocyanide of ammoniacal
copper, 277

Oxygen and the halogens, reci-
procal displacements of, 196
free, apparatus for estimating,

132

Oxygenated water in the organ-

isms of plants, 149
Oxyheptic acid, homologues of,

104

Ozone and the electric effluve,
researches on, 63
"Ozone in Relation to Health

and Disease" (review), 133
Ozonator, new form of, 157

249

Pauly, C., and R. Otto, formation

and constitution of the di-
sulphoxides of benzol and
toluol, 185
Peckham, S. F., composition of
the ash of wheat-bran, 244
determination of specific gravi-
ties, 97
Pellet, H., and M. Durin, influ-

ence of various substances
upon crystallisable sugar, 264
Penfield, S, L., new volumetric

method of determining flu-
orine, 179
Penta-brom-resorcin, 41
Pentathionic acid, non-existence
of, 263

Perkin, W. H, action of iso-
butyric anhydride on the a10-
matic aldehyds, 39
coal-tar colours, 189
Peroxide, hydrogen, 14, 221

magnetic, artificial preparation
of, 239

Perry, N. W., improved method

for making platinum alloy
assays, 89
Petermann, Prof., Crispo, and
Mercier, Belgian phosphor-
ites, 239
Petroleum, &c., action of high
temperatures on, 137
American, pyrogenous carbides
of, 124
gold in, 253
inflammability of, 253

tracted from
means of, 251

171

hydrocarbon,

C16H12. from, 171
Philips, S. E., uric acid group, 28
Phipson, T. L., water analysis,

62

Philosophical and Literary So-

ciety, Manchester, 8, 62, 113
Society of Glasgow. 102, 147
Phosphates in the different ele-
ments of the blood, 218
studies on, 94

with a carbonated gangue, pro-
cess for enriching, 104
Phosphatic minerals, treatment
of, 264
Phosphide, hydrogen, combina-
tions of with cuprous chloride,
162, 263
Phosphorescence, observed case
of, 184
Phosphoric acid as ammonic-
phospho- molybdate, deter-
mination of, 42
excretion of in Herbivora, 240
Phosphorus, crystallisation of,

115, 144

elimination of in the Bessemer
converter, 219
manufacture of, 147
Phosphuretted hydrogen, action
of on the animal organism,

102

155

297

Platinum alloy assays, improved

method for making, 89
incandescent radiation of, 83
series, preparation of metals of
the, 175

Playfair, D., rare minerals in py-
rites flue-dust, 245
Plumbic tetrethide, 130
Poincaré M., effects of inhaling
oil of turpentine, 251
"Poisons, Our Domestic " (re-
view), 121

Polarised light by solutions of in-
verted sugar, deviations of,
Pollacci, E., new phenomena ob-
212, 234
served in "plastering "wines
and musts, 22

Polyporic acid, contribution tɔ a
knowledge of, 229

Poppy petal ash, analysis of, 27
Pontele, C., ripening of grapes
and other fruits, 240
Potassa, caustic, products of the
action of upon sulpho mesy-
telenate of potassium, 228
Potassic bibromate, action of
with sulphuric acid upon
cholic acid, 94
Potassium cyanosulphite, 184
iodide, manufacture of, 118
with sulphurous acid, reaction
of iodine with, 19
permanganate, action of upon
oxalic acid, 18

preparation of cobalto-cyanide
of, and some of its deriva-
tives, 33

Poutet, M., test for olive oil, 136
Poynting, J. H., estimation of

small excesses of weight, 45
Pratt, J. W., and E. J. Mills,
action of oxides on salts, 183
Prism, new compound, for direct
vision spectroscopes, 64
Procter, H. R., chemical jottings

245

Proctor, B. S., smoke of an elec-
tric lamp, 283
Provinces, gossip in the, 94
Prunier, L., pyrogenous carbides
of American petroleum, 124
"Public Health Act, 1875, Notes
of Statutes and Legal Deci-
sions affecting the, from 1875
to 1878" (review), 52
Public health and hygiene, lec-
tures on, 185

schools, science-teaching in, 207
Purple of the ancients, 285
Purpurins, isomeric, chronology
of the, 255

Pyrites flue-dust, rare minerals
in, 245

Pyrogenous carbides of American
petroleum, 124

Pyrolignite of lime, crude, exam-
ination of, 264
Pyruvic acid, 164
Pyroxene, artificial, 21]

in Norway, 104

22

"

platinum, 83

298

Readman, J., manufacture of

phosphorus, 147
Reagent for carbolic acid,new,204
Reciprocal displacements of oxy-
gen and the halogens, 196
Red wines, variability of the
colouring matter of, 163
Reiset, J., proportion of carbonic

acid in the atmosphere, 243
Rémont, A., determination of the

total nitrogen in manures, 196
Renoul, M., and M. Urbain, com-

pound of alumina and car-
bonic acid, 277
Reverdin, F., P. Monnet, and E.
Nælting, aniline and methy-
lated toluydins, 149
researches in the laboratory of
MM. P. Monnet and Co., at
La Plaine, 229
Reynier's report on electric light
regulator, 206

Riban, J. combinations of hydro-

gen phosphide with cuprous
chloride, 162, 263
transformation of starch into
glucose by cold water, 104
saccharification of starch, 150
Richet, C., certain conditions of
lactic fermentation, 218
Richter, O., seven fundamental
types of organic chemistry,
37, 47, 59

Rodewald, H., and B. Tollens,
reductive action of milk-sugar
upon alkaline solution of
copper, 195

Rodwell, G. F., and H. M. Elder,
effect of heat on the di-iodide
of mercury, 56

mer,

Rood, Dr., quantitative analysis
of white light, 253
Rosanilin group, certain colour-
ing matters of the, 195
Rosanilins, remarks on memoir
by E. and O. Fischer on the
constitution of the, 104
Roscoe, H. E., and C. Schorlem-
"Treatise on Chemis-
try" (review), 20
new chemical industry, 107
Rosenstiehl, A., absorption spec-
tra of alizarin, &c., 289
remarks on memoir by E. and
O. Fischer on the constitution
of the rosanilins, 104
Rotatory magnetic power of

vapours, 195
Royal Agricultural College,
Cirencester, 105, 127
Commission for enquiring into
presence of fire-damp in
mines, &c., 74

Institution of Great Britain, 34,
64, 173

Society, 277

conversazione, 191

Rozan's process for desilvering
lead, 30

Rucker, Marshall, Green. Miall,
and Thorpe, Profs., "Coal"
(review), 20
Russian Chemical Society, 104
scientific news, 23, 150, 228

Salts, action of animal charcoal
on, 135

of oxides on, 183

of the earthy metals, fluores-
cence of, 262

of trimethyl-sulphine, 51
Salubrine-cnosote, 253
Samarskite, new spectral rays in

substances extracted from,
115, 135
Sanitary condition of air in public
schools, 180
Sarracenia purpurea, active prin-
ciples of, 84

Scandium, a new element, 184
Schæfer, M., animated enemies
of cultivated plants and their
destruction, 23.
Schaffner, M., and W. Helbig,
extraction of sulphur from
alkali waste, &c., 172
Schering, E., manufacture of po-

tassium iodide, 118
Schaumann, W., paraxylidin, 34
Schiff, H, analysis of organic

bodies containing halogens or
nitrogen, 223

preservation of drinking-water,

34

synthesis of meta-nitro-cinna-
mic acid, 84

Schizomycetic fermentation, 163
Schmidt, H., and G. Schultz,
diphenyl bases, 74
Schnetzler, Bretefe'd,

and
Downes, MM., occurrence
and life of bacteria, and
influence on yeast, 252
Schoene, E., experimental re-
searches on hydrogen per-
oxide, 105, 164
Schools, public, sanitary condition
of air in, 180
Schorlemmer, C., and R. S. Dale,
aurin, 40, 164, 244

combinations of aurin with
mineral acids, 25
transformation of aurin into
trimethyl pararosanilin, 161
and H. E. Ro coe, Treatise on
Chemistry" (review), 20
Schroeder, H., contributions to
the voluminar and steric laws,

Sea-water, action of on thin iron
and steel plates, 35
diffusion of lithia and its pre-
sence in, 263

Seeds, spurious, 150
Seidler, P., and C. Liebermann,
chrysarobin, and alleged
chrysophanic acid in Goa-
powder, 42
Selenium, absorption of by plants,
243

Sell, W. J., volumetric deter-
mination of chromium, 131
Senlecq, M., telectroscope, 84
Septicemic and carbuncular
affections, causes of death in,
136
Sesquioxides, formula of the, 288
Seubert, C., atomic weight of
iridium, 74

Sewerage, 265

Shoolbred, Mr., electric lighting,

72

Siemens, C., new electric current
regulator, 92

Silicates, determination of ferrous
oxide in, 135
Siliciuretted hydrogen, 35
Silkworm, preservation of the
eggs of the, 116

Silver and gold, separation of,
135

gold, &c., extraction of from
pyrites, 7

Siren, with an electro-magnetic
regulator, 250

Skraup, Z. K., cinchonin and cin-
chonidin, 34

Smith, A. P., arsenical wall
papers, 161

blue flame from common salt,

141

E. J., electrolytic determination
of cadmium, 185

crystals extracted from cast-
iron by means of ether and
petroleum, 251
Daubréelite, 103

remarkable specimen of iron
silicide, 9

and L. De Boisbaudran, spec-
trum of didymium nitrate,
286

Widmannstætten's figures on
artificial iron, 268

R. Angus, absorption of gases
by charcoal, 77
detection of fire-damp, 267
W., certain compounds

of

naphthalene and benzene, 183
explosions in flour-mills and
coal-mines, 223, 249
extinguishing fires in tar dis-
tilleries, 196

insurance of tar distilleries, 196
isomeric dinaphthyls, 112
manufacture of picric acid, 171
new method of determining
vapour-densities, 66, 123
ready method for preparing di-
phenyl, 268

testing of coal-tar products, 173
Smetham, A., composition of a

boiler incrustation, 236
Smyth, Piazzi, end-on illumina-

tion in private spectroscopy,
145, 166, 188
Society, Chemical, 39, 67, 90, 111,
130, 146, 160, 182, 201, 223, 260,
283

of Arts, 54, 185
Royal, 277

Philosophical of Glasgow, 102,

147

Physical, 51, 71, 92, 112, 132
192, 214, 247, 274
Russian Chemical, 104
Soda-lyes, estimation of cyano

gen, 25

Soda process, Leblanc, 148
Sodium, spectrum of, 243
Soil, temperature of in a loose

and a compact condition, 240
Soils, cohesive power of various
kinds of, 93
Solids, determination of in milk,
264

Soret, J. L., absorption spectrum
of didymium, 135
fluorescence of the salts of the
earthy metals, 262
transparence of the media of the
eye for the ultra-violet rays,
252

South London School of Phar-
macy, 10, 218
Specific gravities, determination
of, 97

rotation of cane-sugar, 84
Spectra absorption, 74
photographic, records of ab-
sorption, 132, 135
production of coloured by light,

282
Spectral rays, displacement of
due to the rotatory movement
of the sun, 83

in substances extracted from
Samarskite, 115, 135

W., and J. F. Moulton, sensi-
tiveness of electric discharges
in vacuum tubes, 274
Stædel, W., and M. Kleinschmidt,
isoindol, 74

halogen substitution products
of ethan, 105
and ethylen, 74
uvic acid, 74

Stag, roe, and ox horns, analysis
of, 23

Stahlschmidt, C., contribution to
a knowledge of polyporic
acid, 229

Stanno-propyls and iso-stanno-
propyls, 277

iodides of the,, 218

Starch and glycogen, action of
diastase, &c., on, 64

detection of in milk, 172
formula of, 264

history of, 284

in filter-papers, 253.

modification of the physical
properties of, 163
saccharification of, 150

tenacity of, 97, 115, 122, 134
Stassfurt industry, report on, 172
Static electricity, novel pheno-
menon of, 21

Ste.-Claire Deville, Des Cloiseau
and Daubrée, MM.. native
iron of Greenland and the
dolerite which it contains, 9
St. Dunstan's Well, analysis of
water of, 259

Steel and wrought-iron, process
for making, 35
manganese, 118
mild, working of, 18
temper of, 200
welding, 97

Steels, relations between the che-
mical composition and me-
chanical properties of, 228
Stenhouse, J., and C. E. Groves,
gardenin, 283

history of the naphthalin series,

94

Steric and voluminar laws, con-
tributions to the, 171
Stock, W. F. K., analysis of
boiler feed-waters, 5
apparatus for production of
ferrous salts for titration, 46
Stöckenius, O., derivatives of
phenyl-acetic acid, 171

Stokes, the law of, 288
Stromeyer, A., examination of
crude pyrolignite of lime, 264
Strontium, &c., thermo-chemical
researches on, 196
Strychnine researches on, 149
Strype, W. G, "Improvements
in Selphuric Acid Manufac-
ture" (review), 288
Succinic fermentation, 149
Sugar, crystallisable, influence of
various substances on, 264
determination of in the blood,
218
inverted, deviation of polarised
light by solutions of, 212, 234
volumetric estimation of by an
ammoniated cupric test, 77

NEWS

Thollon, A., new compound prism
for direct Vision spectro-
scopes, 64

L., displacement of spectral
rays due to the rotatory
movement of the sun, 83
Thomas, J. W., analysis of com-
bustible gases, 111
composition of the gas which

issued from one of the shafts
of the Abercarn Colliery, 27
S. G., and P. C. Gilchrist, eli-

mination of phosphorus in
the Bessemer converter, 219
Thomsen, J.. composition of cop-
per sulphide formed in the
moist way, 185
monohydrated sulphate of soda
and dihydrated carbonate of
soda, 184
thermo-chemical researches on
magnesium, calcium, stron-
tium, and barium, 196
zinc sulphydrate, 185
Thomson, E., and E. J. Houston,
transmission of power by
means of electricity, 55,
J. S., paraffin and what is got
from it, 72

W., tenacity of starch, 122
Thörner, W., and T. Zincke, di-

phenyl-methyl-acetic acid, 171
Thorpe, T. E., Kucker, Marshall,

Green, and Miall, "Coal"
(review), 20

contribution to the theory of
fractional distillation, 260
heptane from Pinus sabiana,182
Tidy, C. M., composition and
quality of the Metropolitan
water, 24, 72, 150, 174, 240
water analysi-, 67
Tilden, W. A., and Dr. Arm-

strong, action of sulphuric

acid on the hydrocarbons of
the formula C10H18, 284
compounds of the terpenes with
hydrochloric acid, 256
terpin and terpinol, 160
Tin-phenyl compounds, synthesis

of, 94
Titration, apparatus for the pro-

duction of ferrous salts for, 46
Tollens, B., specific rotation of

Tolidins, three isomeric, 42
Toluydins,aniline and methylated,

149

Tomlinson, C., action of nuclei,
&c, 110, 141

Tönnies, P., action of nitrous
acid upon non-saturated hy-
drocarbons, 34

Trade cattle foods, 94
Tribe, A., and J. H. Gladstone,
action of substances in the
nascent and occluded condi-
tions, 91
Tri-tungstates, 239
Triphenyl-methan, 42
Trimethyl- pararosanilin, trans-
formation of aurin into, 161
Trimethyl-sulphine, salts of, 51
Trimethylamin, action of on the
sulphide of carbon, 233
Troost, L., hydrochloric acid with
ammonia, 162
Tropaolin as an alkalimetric in-
dicator, 163

Truch t, P., letter to M. Dumas

concerning the apparatus of
Lavoisier, 239

Turpentine, effects of inhaling
oil of, 251

Tweedie, G. R., new method of

producing a coating of mag-
netic oxide on iron surfaces,

212

ULLIK, F., gelatinous silicic
acid and an inorganic mem-
brane, 195
Ultramarine, sugared, 149
Ultramarines, formation of or-
ganic, 63

Ultra-violet rays, transparence of
the media of the eye for the,

252

University of London, 10
Urbain and Renoul, MM, com-

pound of alumina and car-
bonic acid, 277

Urea, acetylen, 84

new organised ferment of, 263
Uric acid, formula of, 42

group, 28

derivatives of the alloxanic
series, 64
Urine, reactions of bile acids and
their detection in, 135
reaction of bile pigments in,150
Uvic acid, 74

VACUA, molecular physics in

high, 155

Vacuum, reduction of analytical
weighings to a, 106

tubes, sensitiveness of electric
discharges in, 274
Valentin, William George, (Obi-
tuary), 204

Valentin, W., retiring from Labo-
ratory at South Kensington,
196
Vanadium, certain fluorine com-
pounds of, 74

inactivity of chrome compounds
in comparison with in form-
ing aniline-blacks by means
of aniline salts in presence of
chlorates, 53

Van Dijk, P., relation between
the temperature of the earth
and the depth below the sur-
face, 252

Van Hamel-Roos, P. F., ena-
melled iron cooking-vessels,
236

Van Tieghem, P., fermentation
of cellulose, 103
Vapour-densities, new method of
determining, 54, 66, 92, 110,
117, 123

Vapours, rotatory magnetic
power of, 195
Veratrum family, alkaloids of the,

224

Verbeck, A., sensitiveness of che-
mical balances, 150
Veseley, W., analysis of stag and
roe horrs and the horns of an
ox, 23

Villari, E. thermic and galvano-

metric laws of the electric
spark produced in gases, 195
Villiers, A., analysis of an Ethio-
pian honey, 104

Vine, effects of carbonic sulphide
on the radicular system of the

22

Violle, J., radiation of incandes-
cent platinum, 83

specific heat and melting tem-
perature of palladium, 22
Viscosity, certain catalytic phe-
nomena due to, 263
Vitriol manufacture, loss of nitre
in, 170, 193, 205, 215, 215, 226,
227, 232, 237, 249

Voltaic element, new, with a con-
stant current, 73
Volumetric estimation of sl.
phuric acid, tannin, &c., 156
method, new, of determining
fluorine, 179

Volumetro-chemical studies, 277
Voluminar and steric laws, con-
tributions to the, 171

Von Kleuze, D., and W. Engling,
Alpine dairy farming, 234
Von Miller, W, angelicic acid of
different origins, 34
Von Sommaruga, E., molecular
magnitude of indigo, 229
Von Waldner, A., "Unity of Mat-
ter" (review), 32
Vulpius, Dr., detection of starch
in milk, 172

WAGNERITE of Bamle in
Norway, 104

Wallace, W., selenmachon, 84
Wall-papers, arsenical, 161
Warden, C. J. H., analysis of
poppy peta! ash, 27
Warington, R., determination of

nitric acid as nitric oxide, 202
determination of nitric acid by
means of indigo, 255

influence of chloroform on ni-
trification, 41
nitrification, 223

Wash-bottle, new form of, 19,190,
227

Washing mixtures, 289
Wassermann, M., certain deriva-

tives of methyl-eugenol, 289
Water analysis, 62, 67, 103
and alcohol, limit of separation
by distillation, 251
colours, arsenic in dark, 263
moist, for students, 74
composition of the Metropolitan,
24, 72, 150, 174, 240
contaminated, is it injurious for
domestic purposes? 28
decomposition of calcium chlo-
ride by, 184

examination for bacteria, 135
of St. Dunstan's Well, analysis
of, 259

preservation of drinking, 34
softening of magnesia-hard, 258
Watson, W. H., effect of alcohol
on saliva, &c., 226
Watts, H., "Dictionary of Che-
mistry" (review), 203
Wax adulteration, 172

of Ficus gummiflua, 194
Weight, estimation, of small

excesses, 45