formation of, 184, 263

transformation of into trime-
thyl para-rosanilin, 161
Anschütz, R., action of ethyl
iodide upon silver maleate
and fumarate, 42

and G. Schultz, on phenanthren-
quinon, 163

Australia, chemistry in, 207
Australian Eucalypti, 169
Automatic current-regulator, 9
Ayrton, W. E., new theory of ter-

restrial magnetism, 112
Azoic bodies, colouring-matters
belonging to the, 137

196

171

Barth, L., dioxy-benzoic acid, 41
Basic constituent of the Dita
bark, physiologically active,
Baubigny, H., existence of an
oxide of nickel, Nig04, 53
Baumann, E., sulph-etheric acids
of the phenols, 163

Bayley, T., complex oxides of
cobalt and nickel, 81
"Pocket-Book for Chemists,
&c." (review), 21

wash-bottles with continuous
jet, 227

Béchamp, A., history of beer-

yeast and of alcoholic fer-
mentation, 251

influence of oxygen on alcoholic
fermentation as produced by
beer-yeast, 135
Becker, G F., reduction of ana-
lytical weighings to a vacuum,

searches on Electricity," 123
H., magnetic powers developed
by influence in certain speci-
mens of nickel and cobalt as
compared with iron, 73
magnetic rotatory power of
gases at ordinary pressure
and temperature, 195
Beer, detection of salicylic acid
in, 136

foreign bitter principle in, 264
formation of mannite in, 136
Beer-yeast, composition of, 104,
123, 135

history of, and of alcoholic fer-
mentation, 251

Beilstein, F., separation of zinc
and nickel, 74

and A. Kurbatow, behaviour of
certain nitro-compounds with
sulphuretted hydrogen, 185
chloranilins, 163
Belgian phosphorites, 239
Bell, A., mineralising flannel, 241
J. C., ashes of wheat-bran, 276
Belucci, G., oxygenated water in
the organisms of plants, 149
Benedikt, R., penta-brom-resor-
cin, 41

and malachite-
green, contributions to the
history of, 229
Benzol, physiological action of,

253

Benzylated cymen, 207

Bering, H., determination of
solids in milk, 264

Berkley, P. A., modern blast-
furnace, 133
Bernhardi, B., report on the
Stassfurt Industry, 172
Berthelot, M., alkaline amalgams,

and on the nascent state, 276
formation of ethers of hydracids
in the gaseous state, 63
heat attending the formation of
cyanogen, 244

observations on M. Pasteur's
paper on "Alcoholic Fer-
mentation," 21
reciprocal displacements

of

oxygen and the halogens, 196
reply to M. Pasteur, 63
researches on ozone and the
electric effluve, 63

specific heats and melting-heat
of gallium, 228
Bessemer converter, elimination
of phosphorus in the, 219
process for treating sulphides,
103
Betram, J., excretion of phos-

phoric acid in Herbivora, 240
Beusch, M., physiological action
of benzol, 253
Bichat, E., rotatory magnetic
power of vapours, 195
Bile acids, reactions of, and their

detection in urine, 135
pigments in urine reaction, 150
Bindschedler and Busch, MM., a
new fast green and malachite-
green, 61
Bjerknes, C. A., hydro-electricity
and hydro-magnetism, 104
Black cerium aniline, 150
Blacks, different aniline, 270
Blaikie, J. A., salts of trimethyl-
sulphine, 51

Blast-furnace, modern, 133
Bleaching-powder, analysis of, 80
Blende, p:eparation of zinc from,
124

Blennard, A., action of trimethyl-

amin on the sulphide of car-
bon, 33
Blood, determination of glucose
in, 162

of sugar in the, 218
distribution of phosphates in
the different elements of the,
218

Blue alizarin, 42

flame from common salt, 141
indigo, 119, 129, 143
Blowpipe assay of mercury, quan-
titative, III
electric, 162

Blyth, A. W., composition of
cows' milk in health and
disease, 226

"Manual of Practical Chemis-

try" (review), 215

Boiler feed-waters, analysis of, 5
incrustation, composition of, 236
Boiteau, M., effects of carbonic

sulphide upon the radicular
system of the vine, 251
Borax, danger in the use of for

the preservation of food, 9,54
Bordet, L., and C. Bardy, me-

thylic alcohol in commercial
methylens, 103
Böttinger, C., acetylen urea, 84
dissociation of sal ammoniac,
171

mono-sulpho-lactic acid, 41
pyruvic acid, 164
thio-glycolic and thio-diglycolic
ethers 163

Bottomley, J. colorimetry, 276
Bouchardat, M., lecture on the
phylloxera, 184

Boudet, M., electric inscription
of words, 250
Bouilland, M., reflection on the
communication by M. de
Lesseps on the contagion of
the plague, 123.
Bourbouze, M., siren with an
electro-magnetic regulator,

250

Bourgeois, L., production of
crystalline barium chromate,
123

Bourgoin, E., bromo-citraconic
acid, 196

curves of solubility of salicylic
and benzoic acids, 104
Bouvet, A., electro-chemical
action under pressure, 53
Boys, C. V., and Prof. Arago's
rotation, 192
Braithwaite, W. and J.," Retro-

spect of Medicine" (review),
52
Brazil, disease of the coffee plant
observed in, 21
Bread and flour, alum in, 103
Bretefeld, Downes, and Schnetz-

ler, MM., occurrence and life
of bacteria and influence on
yeast, 252
Breuer, A., and T. Zincke, hydro-

carbon, C16H12, from phenyl-
glycol, 171

Brimmer, C., composition

of

clover-hay rapidly dried or
exposed to rain, 240
British Museum, electric light at
the, 101

Bromide of tetrallylammonium
and triallylamin, 263
Bromo-citraconic acid, 196
Brown, F. D., fractional distilla-
tion, 262

H. F., and Mr. Heron, history
of starch, 284

J. T., vapour-density deter-
minations, 92, 117

Buchner, M., oino-chemical re-
searches, 23

Buisine, A., and E. Duvillier,
separation of ethyl-amins, 63
Bunsen's battery, improvement
in, 116

Butter, analysis of, 124
Butyl-chloral cyan-hydrate, 34
Busch and Bindschedler, MM., a
new fast green and malachite
green, 61

251

Carbuncular and septicemic affec-
tions, causes of death in, 136
Carminaphtha, Laurent's, 104
Carnelly, T., and C. Williams,
boiling points of certain
metals and metallic salts, 286
relations between the atomic
weights, &c., of elements and
compounds, 281
Carr, H., "Our Domestic
Poisons" (review), 121
Carves, M., note on the phyl-
loxera, 64

Casamajor, P., deviation of pola.
rised light by solutions of
inverted sugar, 212, 234
Casein, 240

Cast-iron, crystals extracted from
by means of ether or petro-
leum, 251

experiments to dephosphorise,

105

Catalytic phenomena due to vis-
cosity, 263

Caustic potassa, pure, 162
Cazeneuve, P., determination of
glucose in blood, 162
Cellulose, &c., from vegetable
matter, process for obtaining
tanning agents along with,124
fermentation of, 103
Chadburn, W. J "Magic Lan-
tern Manual" (review), 32
Charcoal, absorption of gases by,

77

animal, action of on salts, 135
artificial animal, 252

Chemical agents used in printing
aniline-blacks, value of cer-
tain, 239

analysis and wine-testing, 23
"Chemical Apparatus and Pure
Chemicals, Catalogue of "
(review), 52

Chemical balances, sensitiveness
of, 150

calculations, 118

composition and the mechani-
cal properties of steels, rela-
tions between the, 228
of yeast, 136
dynamics, 261

examination and properties of
tea, 253

Industry, German, Association
for Promoting the Interests
of, 172
new, 107

investigation of Japanese lac-
quer, 113
jottings, 245

Society, 39, 67, 90, 111, 130, 146,
160, 182, 201, 223, 260, 283
Edinburgh University, 51, 72,

102

Newcastle, 30, 132, 168
Russian, 104
works, filter-presses for, 128
measuring the volume of the
gases and the acid vapours
given off by the chimneys of,
206
Chemistry, cultivation of, 48,57
"Chemistry, Dictionary of" (re-
view), 203
Chemistry in Australia, 207
Institute of, 115, 122, 134, 138
"Chemistry, Introduction to
Pharmaceutical and Medical"
(review), 248

"Chemistry, Manual of Organic"
(review), 275

"Chemistry, Manual of Practi-
cal" (review), 215

NEWS

Chloroform, influence of on nitri-

fication, 26, 41, 53
Chloro-stannates of the rare
earths, 228

Chloro-stannic acid, 262
Chromates and free chromic acid,

detection of, 135
Chrome compounds, inactivity of

in comparison with vanadium
in forming aniline-black by
means of aniline-salts in
presence of chlorate, 53
manganese, iron, cobalt, &c.,
amalgams of, 84

Chromic acid, free,and chromates,
detection of, 135
oxide, 106

Chromium, volumetric determi-
nation of, 131, 276
Church, A. H., Chemistry of

Common Life" (review), 203
and the Royal Agricultural
College, 124
Chrysanissic acid, new method of
preparing, 171

Chrysarobin and alleged chryso-

phanic acid in goa-powder, 42
Chrysazin and anthrarufin from
anthracen, synthesis of, 42
Cinchonidin and cinchonin, 34
Cinchonin, 277
Cinchotenicin, 171

Clarke, F. W., cultivation of che-

Society, 191

Cooking vessels, enamelled iron,
Cookson, Mr., on Rosan's process

for desilvering lead, 130
Copper matt, poor, precipitation
of metallic copper by, 204
sulphide formed in the moist
way, composition of, 185
Cows of different breeds, compo-

sition of the milk of, 240
Cox, J., manufacture of sulphuric
acid, 249

Crafts, Ador, and Friedel, MM.,
certain derivatives of durol,
251

Crispo, Petermann, and Mercier,

MM., Belgian phosphorites,
239

Crood, A., spectrometric measure-

ment of high temperatures,22
Crookes, W., molecular physics

in high vacua, 155
Crystalline barium chromate,
production of, 123

surfaces, resistance to a change
of condition of in presence of
the mother-liquor, 123
Crystallogenesis, certain points
of, 184
Crystal-growing, large, 110
Crystals, preparation of single
regular, 79

Cumenge, E., and E. Fuchs, the

state in which precious metals
are found, 162
Cumo-phenol-carbonic acid, 149
Cuprous chloride, combinations
of hydrogen phosphide with,

162

quality of the, 30

Coal-tar colours, 189, 218

distillation of, 172

products, testing, 173

Cobalt, alkaline, poly-sulphides as

reagents for, 149

and nickel, complex oxides of,
81

chrome, manganese, iron, &c.,
amalgams of, 84

new test for, 66
Cobalto-cyanide of potassium and

some of its derivatives, pre-
paration of, 33.
Cœrulignon, certain derivatives
of, 42

Coffee-plant, in Brazil, disease of,

21

Coil, induced currents resulting
from the movements of across
an electro-magnetic system,
123
Coke-burning, ammonia soda and
the production of ammonia in,
229

in subterranean research, 53
quantity of nitric acid contained
in the water of the Nile
before and after its rise, 277
Dale, R. S., and C. Schorlemmer,
aurin, 40, 164, 244
combination of aurin with
mineral acids, 25
transformation of aurin into
trimethyl-para-rosanilin, 161
D'Arsonval, M., determination of
sugar in the blood, 218
Dastre, M., amylaceous and amy-

loid granules of eggs, 218
Daubrée, Des Cloizeau, and Ste.-

Claire Deville, native iron of
Greenland, 9
Daubréelite, 105
Davis, G. E., crystallisation of
phosphorus, 115

peroxide of hydrogen, 221

the vitriol manufacture, 205,216
Day, H., "Ozone in Relation to
Health and Disease" (review),
133

Deacon, Gaskell, and Co., chlo-
ride of calcium, 122
De Boisbaudran, L., and L. Smith,
spectrum of didymium ni-
trate, 286

certain points of crystallo-
genesis, 184
hemihedral forms of alum, 123
new spectral rays in substances
extracted from samarskite,115
resistance to a change of con-
dition of crystalline surfaces
in presence of the mother-
liquor, 123

spectrum of erbium nitrate, 288
De Clermont, P., action of am-
moniacal salts upon certain
metallic sulphides, 251

and J. Frommel, formation of
aurin, 184, 263

De Cyon, E., innocuity of borax
employed in the preservation
of food, 54

De Forcrand, M., formation of
organic ultramarines, 63
De Lesseps, M, contagion of the
plague, 123

De Lome, M. Dupuy, explosion
of deflagrating matters, 33
De Meaux, H., electro-dynamic
phenomena, and in particular
on induction, 83
De Méring, J., and F. Musculus,
action of diastase, saliva, &c.,
on starch and glycogen, 64
De Montgolfier, J., transforma.

tion of camphic acid into
camphor, 251

De Poncy, O. C., and E. Livon,
localisation of arsenic in the
brain, 289
Des Cloizeau, Daubrée, and Ste.-

Claire Deville, MM., native
iron of Greenland, 9
Dehydrating agents, action of
on anhydrous acids, 54
Delaurier, M., reduction of the

cost of the electric light, 253
Delory, M., aniline-black upon

wool and other textiles, 137
Demarcay, E., homologues of
oxyheptic acid, 104
tetric acid and its homologues,

73

and A. Cahours, stanno-propyls

and iso-stanno-propyls, 277
Demole, E., transformation of
dibormethylen into a keton
with four atoms of carbon by
means of hypobromous acid,

73
Desains, P., refraction of dark
heat, 262
Descamps, A., preparation of
the cobalto-cyanide of potas-
sium and some of its deriva-
tives, 33

Deshayes, V., relations between
the chemical composition and
the mechanical properties of
steels, 228

Destrem, A., and P. Schützen-
berger, alcoholic fermenta-
tion, 162

composition of beer-yeast, 104,
123

Detonating agents, history of, 165,
177, 187, 198, 209
Dewar, J., formation of hydro-
cyanic acid in the electric arc,
Dextro-rotatory amylic alcohol,
149

282

Diaphragm, telephones without,

162

Dupré, A., and H. Wilson, esti-
mation of minute quantities
of carbon, 39
Du Puy, C. M., direct process for
making wrought-iron and
steel, 35
Durin, M., and H. Pellet, influ
ences of various substances
on crystallisable sugar, 264
Durol, certain derivatives of, 251
Dutor, E., novel phenomenon of
static electricity, 22
Duvillier, E., isomer of angelic
acid, 251, 289

and A. Buisine, separation of
ethylamins, 63

Dyeing, researches on, 161, 169
Dynamics, chemical, 261

EARTH, relation between the
temperature of and depth be-
low the surface, 252
Ebell, P., glasses melted with
alkali alone, 137
Eder, J. M., properties and che-
mical examination of tea, 253
Edger, A. J. M., alum in flour
and bread, 103
Edinburgh University Chemical
Society, 51, 72, 102
Edison, T, ink for blind, 164
Eggs, amylaceous and amyloid
granules of, 218

Elder, H. M., and G. F., effect of
heat on the di-iodide of mer-
cury, 55

Electric are formation of hydro
n the, 282

cyanic ac

Electro-dynamic phenomena, 83
Electro-magnetic regulator, Siren
with an, 250

Electro-magnetic system, induced
currents resulting from the
movements of a coil across
an, 123

Electrolytic determination of
cadmium, 185
Electrometer, quadrant, 113
Eliosoff, M., determination of iron

in grain and other food
plants, 136

Elements, dissociation of the,
65

and compounds, relations be-
tween the atomic weights, &c.,
of, 281

nature of the, I, II
Enamelled iron cooking-vessels,

237

End-on illumination in private
spectroscopy, 145, 166, 188
Engel and Moitesser, dissociation
of chloral hydrate, 104
dissociation of ammonium

sulphide, 289
laws of dissociation, 250
Enemies of cultivated plants and

their destruction, 23
Erbium nitrate, spectrum of, 288
Erdmann, J., variability of the
colouring matter of red wines,
163

Erlenmeyer, E., studies on phos-
phates, 94

Essential oils, limited oxidation
of the, 279

Etard, A., and A. Cahours, a new
derivative of nicotin, 252
oxidation of certain aromatic
derivatives, 22

potassium cyanosulphite, 184
researches on sulphates, 228
and

on

H. Gal, researches
strychnine, 149
Ethan and ethylen. certain sub-
stitution-products of, 74
halogen, substitution-products
of, 105
Ether and alcohol, washing wool
with, 163

or petroleum, crystals extracted
from cast-iron by means of,
251

thers of hydracids in the gaseous
state, formation of, 63
thiodiglycolic and thioglycolic,
163
thiopian honey, analysis of an,

104

ylamines, separation of, 63

salts of calcium sulphate
with other salts, 171

Fat industry, contribution to the,

135

in milk, source of error in the
determination of, 23
physical properties of, 265
Ferrocyanides, a law peculiar to
the metallic, 277
Ferrous oxide, determination of
in silicates, 135

salts, apparatus for the pro-
duction of for titration, 46
Feser, Prof., salicylic acid as a
disinfectant, 33

Filetti, M., cinchonin, 277
Filsinger, M., chloride of lime,
150

Filter-paper, starch in, 253
Filter-presses for chemical works,

128

52

Flannel, mineralising, 241
Flour and bread, alum in, 103
Flour-mills and coal-mines, ex-

plosions in, 191, 222, 238, 249
Fleck, H., presence of arsenic in
dark water-colours, 263
Fluorescence of the salts of the

earthy metals, 262
Fluorine compounds of vanadium,
certain, 74

new volumetric method of de-
termining, 179
"Food and Medicine, Proposed
Legislation on the Adultera-
tion of " (review), 249
Food, danger in the use of borax

for the preservation of, 9, 54
influence of on the quality and
quantity of the fat of milk, 240
Food-plants, determination of
iron in grain and other, 136
Foods, trade cattle, 94
Foster, Peter le Neve (obituary),

Fremy, E., formation of coal, 262
French production of wine, 85
Friedel, Crafts, and Ador, MM.,

certain derivatives of durol,
251

Friederici, T., new method of
preparing chrysanissic acid,

171

Frommel, J., and J. de Clermont,
formation of aurin, 184, 263
Fruits, ripening of grapes and
other, 240

Fuchs, E., and E. Cumenge, the
state in which the precious
metals are found, 162
Fumarate and silver maleate,

action of ethyl iodine upon,42
Furíurol, occurrence of in com-

mercial glacial acetic acid,
163

Fürstenau, C., sugared ultra-
marine, 149

GABRIEL, S., and A. Michael,

action of dehydrating agents
on anhydrous acids, 54
Gal, H., and A. Etard, researches
on strychnine, 149
Galbraith, W., chemical reactions
of the Hollway process, 238
volumetric determination of
chromium, 276

Gallium, specific heats and melt-
ing heats of, 228
Galvanometric and thermic laws
of the electric spark produced
in gases, 195
Gardenin, 283
Garrick, A. R., pure caustic po-

tassa, 162

Gas, composition of which issued

from one of the shafts of the
Abercarn Colliery, 27
waters, testing, 134.

Gases, absorption of by charcoal,

Gatehouse, J. W., the new arsenic
test, 41
Gaudin, A., application of his
atomic theory to
minerals, 83
Gelatinous s licic acid and an in-
organic membrane, 195
German chemical industry, asso-

ciation for promoting the
interests of, 172
Gerresheim, H., contribution to a
knowledge of ammoniacal
mercury compounds, 229
Girard, A., report presented on
M. Kuhlmann's methods for
measuring the volume of the
gases and acid vapours given
off by the chimneys of che-
mical works, 206
Gladstone, J. H., and A. Tribe,
action of substances in the
nascent and occluded condi-
tions, gr
Glasgow Philosophical Society,

102, 147

"Gla gow, Report on the Air of"
(review), 248
Glasses melted with alkali alone,

137

Glacial acetic acid, occurrence of
furfurol in commercial, 163.
Glucose, determination of

b ood, 162

in

Pavy's method of determining,

197, 249

CHEMICAL NEWS,
July 11, 1879.

Gold and silver, separation of, 135
in petroleum, 253

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

nugget from South America, 161
Goldschmidt, A., three isomeric
toluydins, 42

Goldschmiedt, G., idrian, 42
Goldstein, E. H., electric dis
charge in attenuated gasts,
231

Gorgen, A., artificial preparation
of magnetic peroxide, 239
Gossip in the Provinces, 94
Gower, M., new Bell's telephone,
83
Graebe, C., alizarin-blue, 42

and C. Liebermann, artificial
alizarin, 229

Graham, A. McDonald, testing of

gas-waters, 134
Graham Lecture, the, 61
Grain and other food-plants, de-
termination of iron in, 136
Grapes and other fruits, ripening
of, 240

Grass pasture, nitrogenous con-
stituents of, 264

Grätzell, A., eupitton and pitta-
kall, 188

Gravi-volumeter, the, 218
Greek tanning materials, 195
Greene, W. H., formation

by cold water, 104

Gluge, O., chloride of calcium,

97, 170
Goa-powder,

chrysarobin and

alleged chrysophanic acid in,

4

power of various kinds of
soils, 93

Hæmocyanin, 22

Hæussermann, C., manufacture of

magenta by Coupier's pro-

cess 229

NEWS

Haddock, A. G., volumetric esti-
mation of sulphuric acid,
tannin, &c., 156
Haller, A., new acid derived from
camphor, 9

Halogens and oxygen, reciprocal
displacement of the, 196

or nitrogen, analysis of organic
bodies containing, 228
Hannay, J. B., action of chlorine
upon iodine, 41

examination of substances by
the time method, 183
variations in the magnetic con-
stituents of minerals, 102
Harmonium, Varley's electric,169
Harmonograph, 247.
Harnack, E, physiologically

active basic constituent of the
dita bark, 171

Hartley, W. N., discussion on
water analysis at the Chemi-
cal Society, 103

"Health and Disease, Ozone in

relation to" (review), 133
Heat, diffusion of by leaves, 21
Heat-capacity of the constituents
of soils, 94

Heat, refraction of dark, 262
Hedges, K., " Useful Information

on Practical Electric Light-
ing" (review), 52

deter-

Hehner, O., examination of Dr.
Pavy's method of
mining glucose, 197
influence of chloroform on ni-
trification, 26, 53

Heiden, E., nitrogenous nutrition
of plants, 264.

Helbig, W., and M. Schaffner,
extraction of sulphur from
alkali waste, &c., 172

Helm, M., amber, 229
Hemihedral forms of alum,
Hemmarten, G., casein, 248
Henricks, R., E. Wein, A. Mayer,

and J. Nessler, trade cattle
foods, 94
Hensgen, C., action of hydro-

drochloric acid upon certain
double salts of sulphuric acid,

84

action of dry gaseous hydro-

chloric acid upon sulphates,74
Heptane from Pinus sabiana, 182
Héraud, A., new voltaic element

with a constant current, 73
Herbivora,excretion of phosphoric
acid in, 240

Heron, Mr., and H. F. Brown,
history of starch, 284

Herschel, Prof., Varley s electric

harmonium, 169

Hesse, O., cinchotenicin

171

Lotura bark, 34
substitutes for quinin, 34
Hétet, F., active principles of

Sarracenia purpurea, 84
Hexamethyl-benzine, formation
of by the decomposition of
aceton, 9

High temperatures, spectrometric
measurement of, 22
Hill, H. B., formula of uric acid
42

Hirsch, R., so-called dichlor-azo-
phenol, 171

Historic notes on the discovery
of dyeing with aniline-black,
137
History of detonating agents, 165,
177, 187, 198, 209
Hofmann, A. W., determination
of vapour densities, 54
formation of methyl aldehyd, 54
Hollway, J., Bessemer process for
treating sulphides, 103
probable behaviour of various
metals, &c., when subjected
to rapid oxidation, 217
Honey, unwholesome, 150
Hopkinson, J., quadrant electro-

meter, 113

Horsedung, artificial, 240
Hospitalier, M., automatic cur-
rent regulator, 9
Houston, E. J., and E. Thomson
transmission of power by
means of electricity 55

Houzeau, A.,the Gravi volumeter,
218

Hughes, Prof., new induction
balance, 247

use of the telephone and micro-
phone in scientific researches,
53

Hunter, F., estimation of cyano-
gen in soda-lyes, 25
loss of nitre in vitriol manu-

facture, 170, 215, 237
Hydracids in the gaseous state,
formation of ethers of, 63
Hydrocarbon, C16H12, from phe-
nyl-glycol, 171
Hydrocarbons, non-saturated,
action of nitrous acid on, 34
Hydrochloric acid, action of on
certain salts of sulphuric
acid, 84

on manganese dioxide, 225
aqueous, action of upon bis-
muthous oxide, 183

compounds

with, 256

of the terpenes

sulphates, 74

new combinations of with am-
monia, 162
Hydrocyanic acid, formation of
in the electric arc, 282
Hydro-electricity and hydro-

re-

magnetism, 104
Hydrogen, experimental
searches on, 105
peroxide, 164, 221
phosphide, combinations
with cuprous chloride, 162
compounds of with cuprous
chloride, 263

of

phosphuretted, action of on the
animal organism, 102
silicide, liquefaction of, 103
thermic formation of, 231
siliciuretted, 35

sulphuretted, behaviour of cer-
tain nitro-compounds with,
185
Hydro-magnetism and hydro-
electricity, 104
Hygiene and public health, lec-
tures on, 185
Hypobromous acid, transforma-
tion of dibromethylen into a
keton with four atoms of car-
bon by means of, 73

facture, 227

Jacobsen, O., products of the
action of caustic potassa
upon mesytelenate of potas-
sium, 228
Jahn, H., certain Greek tanning
materials, 195
Janin, J., electric blowpipe, 162
electric light, 250

magnetic impenetrability of
iron, 276

Japanese lacquer, chemical inves-
tigation of, 113

Japp, F. R., action of organo-zinc

compounds on quinons, 261
Jobert, C., disease of the coffee-

plant observed in Brazil, 21
Johnen A., comparative observa-

tions of rainfall according to
Fautrat's method, 93
Johnson, J. and J. H., "Pa-
tentee's Manual" (review),

122

Johnstone, W., analysis of the

water of St. Dunstan's Well,
Melrose, 259

new test for arsenic, 32
Jolly, L., distribution of phos-
phates in the different ele-
ments of the blood, 218

termination of, 135

[DRIALIN, 42

ture on rotatory magnetic
power, 22

Jousselin, L., nitroso-guanidin,

239

Kopp, A., progress effected in the
preparation of colours de-
rived from coal, 127
Korn, F., new forms of appara-
tus, 193
Körner, H., para-di-propyl-benzol
and certain of its derivatives
163
Kuhlmann, M., method for mea-
suring the volume of the
gases and acid vapours given
off by the chimneys of che-
mical works, report on, 206
Kurbatow, A., and F. Beilstein,

behaviour of certain nitro-
compounds with sulphuretted
hydrogen, 185
chloranilins, 163

LA

A COSTE, W., and A. Mi-
chaelis, mono- and diphenyl-
arsenic compounds, 163
Lacquer, Japanese, chemical in-
vestigation of, 113

Lactic fermentation, certain con-
ditions of, 218

Lactose, origin of, 253
Ladenburg, A., aldehydins, 42
simple method for obtaining
the aldehydins, 42

Laford, E. A., last word on mat-
ter, 116

Lamansky, S., the law of Stokes,

288

Lamp, electric, smoke of an, 283
Landauer, J., absorption spectra,

74

Langbeck, H. W., explosions in
flour-mills, 191

foreign bitter principle in beer,
264

Lang, C., heat-capacity of the
constituents of soils, 94
Langbein, G., South American
production of iodine, 172
Langier, E., analysis of crude
sugars and saccharine mat-
ters, 53

Laurent's carminaphtha, 104
Lavoisier apparatus, letter to M.
Dumas concerning, 239,
Lawrance, A., and E. Frankland,
plumbic tetrethide, 130
H. A., oils, 34

Le Bel, J. A., dextro-rotatory
amylic alcohol, 149

limit of separation of alcohol
and water by distillation, 251
Le Bon, G., danger of the use of
borax for the preservation of
food, 9

Induction balance, new, 247
disturbances in telephone cir-
cuits, 288

Industrial activity, 150

Society of Mulhouse, 137, 229,
239

Industry, new chemical, 107
Ink, ineradicable, 263
Inorganic membrane, gelatinous
silicic acid and an, 195
Institute of Chemistry, 115, 122,
134, 138

Iodide, nitrogen, 257
Iodides of the stannopropyls, 218
Iodine, action of on chlorine, 41
and potassium iodide, reaction

of with sulphurous acid, 19
South American, production of,
172

Iridium, atomic weight of, 74
Iron, analyses of, 281

and Steel Institute, 196
and steel plates, thin, action of
water on, 35

cobalt, manganese, chrome, &c.,
amalgams of, 84

in grain and other food-plants,
determination of, 136

and arsenio-compounds, 34
Kellner, O., nitrogenous consti-
tuents of pasture-grass, &c.,
264

Kern, S., action of sea-water on
thin iron and steel plates, 35
analyses of iron, 281
contaminated water injurious
for domestic purposes, 28
manganese steel, 118
Russian scientific news, 23, 150
steel welding, 97

working of mild steel, 18
Kessel, F., the wax of Ficus gum-
miflua, 194
Kingzett, C. T., limited oxidation
of the essential oils, 279
Kino gum, Malabar, 163
Kinoin, a new compound, 163
Klein, F., and A. Pinner, butyl-
chloral-cyanhydrate, 34

conversion of the nitrites into
imides, 34

Kleinschmidt, M., and W. Staedel,
isoindol, 74

Knapp, M., revolution in tanning,
33

Kahler, H, formation of ethyl-

amin, 195
Kohlrausch, O., purification of
saccharine juices in the hy-
drate of alumina, 240
Kopp, A., colouring-matters be-
longing to the group of azoic
bodies, 137

lard, detection of fire-damp
in the atmosphere of mines,
218

Lead pipes, incrustation of with
sulphide of lead, 33

Rezan's process for desilvering,
30

tetrachloride, 161

Leaves, diffusion of heat by, 21
Leblanc soda process, 148
Lechertier, Baroe, and Co., moist
water-colours for students, 74
Leeds, A. R., action of potassium
permanganate upon oxalic
acid, 18

alteration of standard ammo-
nium chloride solution, 17
new form of ozonator, 157
Lees and argol, determination of
tartaric acid in, 182
Lefebure, F, improvement in
Bunsen's battery, 116
Lefort, J., on the tri-tungstates,

239

Legislation, new patent, 117
Legrand du Saule, Dr., agora-
phobia, 2

Leguminosa .absorption of ni-
trogen by the, 264
Letuy, A., action of high temper-
atures upon petroleum, &c.,
137

L'Hote, L., process for enriching
phosphates with a carbonated
gangue, 104

Linde, D., examination of caout-
chouc goods, 99

Livon, C., and O. C. Poncy, local-
isation of arsenic in the
brain, 289

Liquids, volumes of at their

boiling-points, 201
Literature, curiosity of patent,253
Lithia, diffusion of, and its pres-
ence in sea-water, 263
in rocks and sea-waters, 184
Litmus, substitute for, 98
Lock, A. G. and C. G.," Treatise
on the Manufacture of Sul-
phuric Acid" (review), 120
Lockyer, J. N., nature of the
elements, I, II

spectrum of sodium, 243
Lodge, O. J., method of calcu-

lating the curve of tempera-
ture in a rod along which heat
is being conducted, 71
Loew, O., action of cyanogen
upon albumen, 206
Loir, M., chemical function of
anhydrous acetic acid, 239
Lorin, M., action of acids on salts
without the intervention of a
solvent, 252

Losche, V., formation of ammo-
nium nitrite, 150

Lotura bark, 34

London University, 10

Luff, A. P., and C. R. A. Wright,

alkaloids of the Veratrum
family, 224
Lunge, G., efficacy of compounds

employed as "Antichlore,"172
manufacture of sulphuric acid,
148, 193, 220, 237, 249
preparation of nitrous acid, 42
"Sulphuric Acid and Alkali
Manufacture" (review), 287
tropaolin as an alkalimetric
indicator, 163

Lunge's nitrometer for determi-
nation of nitrous and nitric
acids, 133
Lupton, N. T., sanitary condition
of air in puplic schools, 180
Luvini, G., preservation of the
eggs of the silk-worm, :16
Lytsche, J., cerium aniline-black,
150

MACH and Patele, Drs., wine-
testing and chemical analy-
sis, 23
Mactear, J., loss of nitre in the
vitriol manufacture, 232
Magenta, manufacture of by
Coupier's process, 229

simple method of detecting in
wines, 85

"Magic Lantern Manual" (re-
view), 32
Magnesia-hard water, softening
of, 258

new form of wash-bottle, 190
nitrogen iodide, 257

Malonic acid, 263
Maneth, L., and G. Musso, source

of error in the determination
of fat in milk, 23
Manchester Literary and Philoso-
phical Society, 8, 62, 113
Manganese as dioxide, precipita-
tion of, 201

iron, cobalt, chrome, &c., amal-
gams of, 84
steel, 118

Mannite, formation of in beer, 136
Manure experiments on the trial

fields of the University of
Geissen, 94

Manures, determination of the
total nitrogen in, 196
Maquenne, M., diffusion of heat
by leaves, 21

Marchand, E., composition of the

milk of cows of different
breeds, 240

diffusions of lithia and its pres-

ence in sea-water, 263
Marcano, V., and A. Muntz, com-

position of the Banana and
the utilisation of this fruit,
83
Marey, E. J., researches on elec-
tric fishes, &c., 115
Marié-Davy, M., reply to

M.

Flammarion on the declina-
tion of the magnetic needle,

218

McLeod, H., induction disturb-
ances in telephone circuits,
288

Media of the eye, transparence of
the for the ultra-violet rays,

252

"Medical and Pharmaceutical
Chemistry, Introduction to "
(review), 248
"Medicine and Food, Proposed

Legislation on the Adultera-
tion of" (review), 249
"Medicine, Retrospect of" (re-
view), 52

Meldola, R., studies in the naph-
thalin series, 163
Menke, A. E., reactions of iodine
and of potassium iodide with
sulphurous acid, 19
Mercier, Petermann, and Crispo,
MM., Belgian phosphorites,
-239
Mercurial vapours, test for, 229
Mercury compounds, ammoniacal

contributions to a knowledge
of, 229

di-iodide of, effect of heat on, 55
quantitative blowpipe assay of,

III

Merrick, J. M., obituary, 162
Merz, V. and T. Diehl, naphtho-
picric acid and some deriva-
tives, 42

Meta-nitro-cinnamic acid, syn-
thesis of, 84

Metallic copper, precipitation of
by poor copper matt, 204
ferrocyanides, a law peculiar to
the, 277

salts, boiling-points of certain
metals and, 286

sulphides, action of ammoniacal
salts upon certain, 251
Metallurgy of nickel, 105
Metals and metallic salts, boiling-

points of certain, 286
fluorescence of the salts of the
earthy, 262

of the platinum series, prepara-
tion of, 175
precious, the state in which
they are found, 162
Methyl-aldehyd, formation of, 54
Methylated and aniline toluydins,

240

Meyer, F, preparation of single
regular crystals, 79

V., occurrence of furfurol in
commercial glacial acetic
acid, 163

Miall, Thorpe, Rucker, Marshall,
and Green, Profs., "Coal"
(review), 20

Michal, A., and S. Gabriel, action
of dehydrating agents on an-
hydrous acids, 54
Michaelis, A., and W. la Coste,

mono- and diphenyl-arsenic
compounds, 163
Microphone and telephone, use of

in scientific researches, 53
in subterranean research, 53
Milk, cow's, composition of in

health and disease, 226
determination of solids in, 264
influence of food on the quality
and quantity of the fat of, 240
of cows of different breeds,
composition of the, 240
quality of, 124
starch in, 172

Milk-sugar, reductive action of
solution of

upon alkaline

copper, 195

Mills, E. J., and J. W. Pratt,
action of oxides on salts, 183
and Mr.Campbell, researches on
dyeing, 161, 169
Mineral acids, combinations of
aurin with, 25
Minerals, application of Gaudin's
atomic theory to certain, 83

{

CHEMI AL NEWS,
July 11, 1879.

Minerals, magnetic constituents
of, 102

phosphatic, treatment of, 264
Mineralogical Society of Great
Britain and Ireland, 253
"Mint, Imperial, Osaka, Japan,

Annual Report of the Com-
missioner of the " (review),32
Miquel, P, new organised fer-
ment of urea, 263
succinic fermentation, 149
Mitscherlich, A., process for ob-
taining tannin agents along
with cellulose, &c., from
vegetable matter, 124
Moissau, H.,amalgams of chrome,
manganese, iron, cobalt, &c.,

84

Moitessier, M., and R. Engel,
dissociation of ammonium
sulphide, 299

of chloral hydrate, 104
laws of dissociation, 250
Molecular magnitude of indigo

229

physics in high vacua, 155
vibrations in the magnetic

metals during the passage of
undulatory currents, 184

Monnet, P., F. Reverdin, and E
Nolting, aniline and methy-
lated toluydins, 149
researches in the laboratory of
MM. P. Monnet and Co., at
La Plaine, 229
Mono- and diphenyl-arsenic com-
pounds, 163

Mono-chlor-acetic acid, action of

upon sulpho-cyanic acid, 206
Mono-hydrated sulphate of soda
and dihydrated carbonate of
soda, 184
Mono-sulpho-lactic acid, 41
Morton, H., chronology of the
isomeric purpurins, 255
Moulton, J. F., and W. Spottis
woode, sensitiveness of elec-
tric discharges in vacuum
tubes, 274

Muir, M. M. P., action of aqueous
hydrochloric acid on bismu-
thous oxide, 183
Mulhouse. Industrial Society of,
137, 229, 239
Muntz, A., and V. Marcano, com-
position of the Banana and
the utilisation of this fruit, 83
Musculus, F., and J. de Méring,
action of diastase, saliva, &c.,
on starch and glycogen, 64
modifications of the physical
properties of starch, 163
Mushrooms, poisoning by, 137
Musso, G., and L. Maneth,

source of error in the deter-
mination of fat in milk, 23
Muter, J., "Introduction

to
Pharmaceutical and Medical
Chemistry" (review), 248
Mylius, E., analysis of butter, 124

NEGELI, M., chemical com-
position of yeast, 136
Naphthalen and benzene, certain
compounds of, 183

Naphthalin series, history of, 94
studies in the, 163
Naphtoo-picric acid and some
derivatives, 42
Naphthyl-phospho and arsenio
compounds, 34

Nascent and occluded conditions,

action of substances in the, 91
Nencki, M., action of mono-chlor-
acetic acid upon sulpho
cyanic acid and its salts, 206
Nessler, J.,A. Mayer, R.Henrichs,
and E. Wein, trade cattle
foods, 94

foreign colouring matters in
red wines, 240
Newcastle Chemical Society, 30,

132, 168

Nickel and cobalt, complex oxides

of, 81

magnetic powers developed by
influence in certain speci-
mens of as compared with
iron, 73