iodpropionic, B, and lactic, 298
isethionic, synthesis of, 15
isocitric, 287

lactic and Biodpropionic, 298
melilotic, coumarin, and cou-

maric acid, on the constitu-
tion of, 73
methintrisulphonic, 275
molybdic, a test for morphia,
180

mono-, tri-, and penta-bromo-
benzoic, 214

nitric, sulphate of aniline as a
test for, 104
nitro-hydrochloric, 129
paradichlorbenzoic and dichlor-
benzoic, identity of, 251
paramonochlorobenzoic, synthe-
sis of, 226

patellaric, and its existence in
the Parmelia scruposa, 275
phenaconic, constitution of, and
the transformation of benzol
into tartaric acid, 191
phosphoric, in arable soils, 262
and urea, combination of, 261
pyruvic, 191

racemic, formation and constitu-
tion of, 22
sulphobenzylic, 10
sulphuric, adulteration of, 227
and ethylsulphocyanate, 69
aromatic, 103

volumetrical determination of,
287
sulphurous, 103, 129

in the air of Manchester, 139
for dissolving bones, 249
lactic, decomposition of, 10
tartaric, action of heat on, 143
quantitative estimation of, 179
transformation of benzol into,

Action, chemical, influence of

pressure on, 156
Adamine, a new mineral found at
Chanarcillo, 34

Ador, A., and A. Baeyer, on alde-
hydine, 70

Adulteration of sulphuric acid, 227
of olive and sweet almond oils, 11
Aerostation, scientific, 298
Agents, explosive,contributions to
the history of, 196
Air or oxygen burning in hydro-
gen or coal gas, 154
action of upon hypophosphorous
acid, 190

discovery of the weight of, 119,
123, 189, 209

extraction of oxygen from the,

a new, 283

of iron and zinc, 214
Allen, A. H., apparatus for show-
ing the reciprocal nature of
combustion, 166
decomposition cell, 204
sudden crystallisation, 166, 204
Allyl alcohol, 251
Alum, chrome, utilisation of, 101
Alumina, lime, magnesia, and iron
in superphosphates or ma
nures, on a new method of
estimating the reduced phos.
phates of, 229
Aluminium bells, 215

reducing from its ores, 162
silicium contained in, 274
Alvergniat, M., on the luminosity
of Geissler tubes by friction,
176

American Association for the Ad-
vancement of Science, pro-
ceedings of the (review), 295

American Institute, 47
Amido-acids, action of potassium

cyanate upon, 10
Ammonia, action of on phospho-
rus, 191

Ammonium, sulphide of, non-pre-
cipitation of manganese by,
137
Amylendisulphuric acid, 275
Analyses of compressed peat, 214
indirect, employment of con-
stant factors in the calcula-
tion of, 265
Analysis, elementary organic, 180
of different varieties of carbon,
113, 137, 147, 159, 221
of meteoric irons, 5, 20
of smalt, 214

of two kinds of labradorite, 214
spectrum, as applied to the
heavenly bodies, 187

volumetric, normal liquids for,
303

Aniline black, 108, 132, 276

black for cotton, 132

dyes, on some new, 181

ing, 179

Anthracen

series, colouring
matters of the, 237
Antiaris toxicaria, milky juice of
the, 237

Antimony, separation of tin from,
103

substitution of graphite by, in
galvanic batteries. 203
sulphates of oxides of, 52, 63
Aqua regia, action of on sulphur,
132

Argol (crude cream of tartar),
analysis of, 260

Aristotle, note on, and the dis-
covery of the weight of air,
123, 189, 209

Aromatic sulphuric acid, 103
Arran, pitchstones of, 181
Arsenic acid, nitrate of silver test
for, 263

sensitiveness

of methods for

detection of, 288
Arsenical playthings, 103
Ashes, coal, 119

Assaying silver compounds in the
wet way, modification in, 3
Atacamite, on the artificial forma-
tion of, 46, 59

Atomic weights of gold, platinum,
iridium, osmium, rhodium,
and palladium, 302
weights, 167, 202

Atmosphere, detection of ozone in
the, 179

solar, refrangibility of the bril-
liant yellow ray of the, 158
Attfield, Dr., on uniformity in
taking igniting points, 70
on a plea for the word quantiva-
lence, 236, 296

314

Avery, C. E., decomposition of
refractory silicates by fluor-
ides, 270

BAEYER, A., and A. Ador, on

aldehydine, 70

Bald and Mactear, Messrs, salt de-
posits at Stassfurt, 64, 77
Balsam of Peru, 250, 275
Bark, cinchona, testing, 190
Barley, cholesterine in, 104
Baryta, artificial sulphate, of 174
strontia, and lime, estimation of,
289

tungstate of in painting, 225
Bases, new, 70, 249

Bassett, H., mercury compound of
acetylene, 28

Batteries, galvanic, amalgamation
of zinc for, 283

effect of heat on the electro-
motive force of, 226
substitution of graphite by anti-
mony in, 203

Baumhauer, M., action of hydro-
bromic and hydrochloric acids
upon nitrobenzol, 261

Beanes's process for treating
animal charcoal, 11, 153,
Becquerel, M., on electro-capillary
actions, 81

Beer, Bavarian, 96

detection of picrotoxin in, 179
Beilstein and Kuhlberg, MM., on

perchloride of benzol from
toluol and xylol, 251
Bell, J. L., chemistry of the blast
furnace, 232, 243
Bells, aluminium, 215.
Benrath, M., on cryolite glass, or

hot-cast porcelain, 287
Benzile, cinnamate of, 9
Benzoic and succinic acids, 276
Benzol, perchloride of, and forma-

tion from toluol and xylol,
251
transformation of into tartaric

acid, and the constitution of
phenaconic acid, 191
Benzyl, on cinnamate of, 191
Benzylamine, base of the cumin

series which agree with, 297
Berries, elder, black ink from, 263
Berthelot, M., action of electric
spark on marsh gas, 82
analysis of different varieties of
carbon, 113, 137, 147, 159, 221
formation of bromide of acety-
len, 273

oxidation of the carbides of hy-
drogen, 273
Birnbaum, and Schmeltzer, MM.,
combination of phosphoric
acid and urea, 261
Bisulphide of carbon, action of
sunlight on, 29

of carbon, purification of, 34
Black, aniline, 108, 132

for cotton, 132

bone, Beanes's process for puri-

fying, 11, 153

Bleaching paper pulp, 250

wood pulp, 9

Blood, colour test for, 167
fibrin of, 132

Blowpipe chemistry, applications

of the microscope to, 124
reaction of thallium, 309
Bloxam, Thos., on electrolysis of
nitrates, 289

Bobierre, M., estimation of iodine
by volumetric analysis, 241
Boettger, M., silvering cast-iron,

274

Böhler, A., sulphobenzylic acid, 10
Bouchardat, M., on urea, 273
Boné, Dr. A., localities of rock

salt, 311
Bones, adulteration of, 226
sulphurous acid for dissolving,
249
Brain, fluorine in, 179
Bran, use of in brewing, &c., 249
Brass, copper, and yellow metal,
platinising, 226

Braun, M., sulphate of aniline as

a test for nitric acid, 104

Buchanan, and Glaser, MM., syn-
thesis of hydroparacoumaric
acid, 261

Buchner, M., detection of mer-

cury in poisoning cases, 34
Bunsen, Prof., accident to, 237

on washing precipitates, 160,
173

Burr, M., on ethyldiphenol, 251
Butler, P. G., on solutions of
Glauber's salt, 200
Butylen, synthesis of, 200

CAFFEINE and theine, non-

identity of, 288

Cake, mustard, 103
Calcium, sulphide of, decompo-

sition of in soda waste, 287
Caoutchouc, vulcanisation of, 311
Carbides of hydrogen, oxidation of,
273

Cameron, Prof. C. A., composition

of the milk of the sow, 217
Camphor, Borneo, a substance
homologous with, 249
Caoutchouc, contraction of by
heat, 276

Carbolic acid, action of as a thera-

peutic agent, 97
paper, 143

Carbon, bisulphide of, action of
light on, 29, 215, 238

decomposition of by heat, 287
purification of, 34

Dr. Odling's lectures on the

chemical changes of, 13, 25, 37,
49, 66, 91, 98, 114, 125, 133, 145
determination of in cast-iron,
152
immediate analysis of different

varieties of, 113, 137, 147, 159,

Charcoal, testing decolourising

power of animal, 167
Chapman, E. T., and M. H.
Smith, butylic compounds
derived from alcohol by fer-
mentation, 163

decompositions of acids of acetic
series, 175

propyl compounds, 198
Chemical affinity and electricity,

82

changes of carbon, Dr. Odling's
lectures on the, 13, 25, 37, 49,
66, 91, 98, 114, 125, 133, 145, 248
infinity, 227

Society, 189, 272, 284

presidency of the, 118, 154
labels, 248, 272, 296

theory, a history of (review), 224
Chemistry of the blast furnace,

232, 243

in the examinations of the De-
partment of Science and Art,

II

for students (review), 35

of sugar refining, 78, 96, 130, 153,
166, 177

Chemist's view of the sewage
question, 269, 291

Chesshire, J. A., estimating re-
duced phosphates in super-
phosphates, 229
Chlorhydroxypropylsulphonic

acid, formation of, 10
Chloride of silver, reduction of,
178

Chlorides, alkaline, decomposition
of, 178

organic, action of hydriodic acid
un, 203

conversion of iodides into, 69
of sodium and potassium, be-
haviour of in presence of
metallic vapours, 9
Chlorimetrical and alkalimetrical

degrees, on English and
foreign, III

Chlorine, specific gravity of, 251
Chlorethylsulphuric acid from

chlorethyl chloride, 251
Chloroform, testing, for presence
of alcohol and ether, 287
Chloropicrin, guanidine from, 69
Cholesterine in wheat, rye, and
barley, 104

Chromium steel, 72

and titanium, oxides of, influence
of on the composition of pig-
iron, 163

oxide of, preparation of spongy,

190
Chromic acid, volumetrical esti-
mation of, 238

Church, Prof. A. H., artificial for-

mation of atacamite, 59
new earth in some zircons, 142
researches on turacine, 265
Cinnamic acid, researches on de-
rivatives from, 214
Citrate of quinine, 103
Citric acid, 36

City, gas inspectorship for the, 142
Claret, how to make, 83
Clemm, Dr. A., volumetric de-
termination of sulphuric acid,
287

volumetric process for sulphuric
acid and sulphates, 116
Clermont, M. de, on acetochlor-
hydrine and octylglycol, 299
Cloetta, M., detection of strych-

Copper, on the estimation of in
ores, 185, 207

metallic, estimation of suboxide
of copper in, 238
neutral acetate of, 273
oxide of, decomposition of grape
sugar by, 250

in the presence of other metallic
salts, separation and estima-
tion of, 206
welding, 156

yellow metal, and brass, pla-
tinising, 226

and zinc, separation of, 156
Correspondents, answers to, 12,
24, 36, 48, 60, 72, 84, 108, 120,
143, 156, 228, 252, 264, 276, 288,
312

Corrosions,white-lead, pink colour
in, 239

Corks, lute for, 119

Cotton, aniline black for, 132
Coumaric acid and coumarin,
constitution of, 73, 193
Crookes, W., F.R.S., &c., on the
crystallisation of iron, 136

on a new arrangement of bin-
ocular spectrum microscope,

Ethers of propylic alcohol, 176
Ethylconia, conia, and diethyl-
conia, iodides of, physiological
action of, 82
Ethyldimethylcarbinol, 286
Ethyldiphenol, 251

Ethylen, biniodide of, action of

corrosive sublimate on, 176
Ethylenchloride of iron, 275
Ethyl-iodate, 10

Ethyl, sulphocyanate, and sulphu-
ric acid, 69
Every, C. E., nitrate of silver

test for arsenic acid, 263
Experiments, lecture, note on, 130

154, 166, 191, 204, 215, 227, 275
Explosive agents, contributions to
the history of, 196
Explosion, fearful, 131

Fittig and Hoogewerff, MM., new

compounds derived from me-
sitylen, 251

Fittig, Prof. R., constitution of
coumarin, coumaric acid, and
melilotic acid, 73, 193
synthesis of hydrocinnamic acid,
251
Fleck, Dr. H., on the substitution
of sodium for phosphorus in
lucifer matches, 148
Fleischer, Dr. E., contributions
to analytical chemistry, 169,
206, 265, 290

employment of constant factors
in the calculation of analyses,
265

separation and estimation of
copper in the presence of
other metallic salts, 206
Fleury, A. L., reducing aluminium,
162

Flour, wheaten, researches on,
203

Flückiger, M. F. A., on the ground
nut, 288
Fluids, means of preventing the

bumping of when boiling, 297
Fluorides, decomposition of sili-

cates by, 270
Fluosilicic acid for sugar refining,
250

Food, on, 30, 75, 90, 108, 138, 150
Forbes, D., F.R.S., &c., chemical
examination of Oriental jar-
gon, 277

estimation of titanic acid, 3
Forbes, J. E., F.R.S., &c., death
of, 22

Formic acid, acetone of, 249
Formula, chemical, of alizarine,

Glass, action of sunlight on, 226
aventurin, analysis of, 213
diaphanometer

to determine
transparency of, 287
cryolite, or hot-cast porcelain,
287
frosting, 12
optical, 71

Glauber's salt, on solutions of,

200

Glucina, constitution of, 227
Glucose, sugar, dextrin, and gum,
testing for, 167
Glutz and Schmitt, sulphuric acid

and ethyl sulphocyanate, 69
Glutz, Dr. L., on oxysulphoben-
zid, 250

Glycerine, testing for sugar, dex-
trin, gum, and glucose, 71,
167

crystallisation of, 34
its history, &c., 287
its uses and abuses, 120
Glycolic and lactic acids, destruc-
tive distillation of, 251
Gold discovery in Uist, 202
platinum, iridium, osmium, rho-

dium, and palladium, atomic
w eights of, 302
Gore, G., F.R.S., on hydrofluoric
acid, 74,

Graebe and Liebermann, MM.,

artificial preparation of aliza-
rine, 157

on the colouring matters of the
anthracen series, 237
Graham, T., F.R.S., on the rela-

tion of hydrogen to palladium,

Ground nut, 288

Guaiacol, synthesis of, 10
Guanidine from chloropicrin, 69
Guano, biphosphated Peruvian,
106, 118, 130, 142
of Mexillones, 132
Peruvian, preparation of uric
acid from, 215
Gulf stream, 227

Gum, sugar, dextrin, and glucose,
testing glycerine for, 167
Gummic acid and combinations,
203
Gunpowder, newly-invented, 311
Gypsum, water saturated with, 276

HAGER, M., non-identity of

caffeine and theine, 288
Hahn, M., newly-invented gun-
powder, 311

Hamy, Abbe A., discovery of the
weight of the air, 189

Hart, P., rapid determination of
oxygen, 253

Hayes, Aug. A., and S. Dana, in-

fluence of the oxides of chro-
mium and titanium on the
composition of pig-iron, 163
Heat, action of on peroxide salts
of iron, 211, 228

action of on sulphate of strontia,

190

action of on tartaric acid, 143
action of on zircons, 156
contraction of caoutchouc by,
276
decomposition of disulphide of
carbon by, 287
dilatation of petroleum by, 167
effect of on electromotive force
of galvanic battery, 226

Heat, influence of on regenera.

tion of sulphide of iron, 273
utilisation of waste, 84, 108
Heaton's steel and iron process,
83, 85, 96, 106

Herschel, A. S., spectrum analy-
sis, 157

Hervé-Mangon, M., mud

and

slime carried down by rivers,
274

Henry, M. L., aldehyde of salicyl,
274

Hints to purchasers of jewellery
(review), 100

Hippuric acid, derivatives of, 70
Hirsch, J., Ph.D., carbolic acid a
therapeutic agent, 97

Hofmann, Dr. A. W., guanidine
from chloropicrin, 69
Hoogewerff and Fittig, MM., com-
pounds derived from mesity-
len, 251

Horsford, Professor E. N., source
of free hydrochloric acid in
the gastric juice, 229
Household poisoning, 47
How, Prof., non-precipitation of
manganese by sulphide of
ammonium, 137

oxalate of manganese, 41
Huggins, W., F.R.S., further re-
sults of spectrum analysis, 187
Hugo, M. L., construction of a

synoptic pyrhelioscope, 223
Hutton, W. R., igniting point of

vapours of some commercial
products, 41
Hydrate of phenyl and carbonic

acid, combination of, 237
Hydrates of hydrocyanic acid, 273
Hydriodic acid, action of on or-

ganic chlorides, 203
preparation of, 191

preparation of an aqueous solu-
tion of, 297

preservation of, 132

Hydrobromic and hydrochloric
acids, action of upon nitro-
benzol, 261

Hydrocarbons, distillation of dense
at high temperatures, 182
sulpho-acids of the, 22, 286
Hydrochloric acid, action of cyan-
ogen on, 84

action of on codeia, 302
and hydrobromic acids, action of
upon nitro-benzol, 261
electrolysis of, 289

in the gastric juice, source of, 229
solubility of silico-fluoride of
potassium in, 180
Hydrocinnamic acid, synthesis of,
251
Hydrocyanic acid, detection of
minute traces of, 180
detecting minute traces of, 167
hydrates of, 273
Hydrofluoric acid, on, 74
Hydrogen, adhesion of to metals,

Pattinson, John, F.C.S.,on English

and foreign alkalimetrical and
chlorimetrical degrees, 111
Paul, Dr. B. H., connection be-
tween the mechanical quali-

ties of malleable iron and
steel, and the amount of phos-
phorus they contain, 58

on Heaton's steel and iron, 106
on spurious guano, 106, 130,
Peat, compressed, from Switzer-

land, result of analyses of, 214
Peckham, S. F., distillation of

dense hydrocarbons at high
temperatures, 182
Pélissard, Jolyet, and A. Cahours,
MM., physiological action of
conia, ethylconia, and iodide
diethylconia, 82

Pelouze, M. E., solubility of sul-

phur in coal-tar oils, 262
Perchloride of phosphorus, vapour
density of, 273

Perkin, W. H., F.R.S., on some

new aniline dyes, 181
Patellaric acid, and its existence

in the Parmelia scruposa, 275
Petrequin, M. J. E., cerumen con-

tained in the human ear, 211
Petroleum act, the new, 72, 82,
84, 96

American, new products ob-
tained from, 143
dilatation of, by heat, 167
solubility of iodine and sulphur

in, 213
Pharmacopoe Recentiores, Ang-
lica, Gallica, Germaniæ, Hel-
vetica, Russia, inter se col-
latæ (review), 271
Phenaconic acid, constitution of,
and transformation of benzol
into tartaric acid, 191
Phenitolsulphuric acid, salts of,

optical, 205
Phenomenon, extraordinary, 286
Phenyl, hydrate of, and carbonic

acid, on a combination of, 237
Phlobaphen, 203
Phonoelectroscope, 167
Phosphates of lime, magnesia,
iron, and alumina in super-
phosphates, estimating the re-
duced, 229, 266
Phosphoric acid, researches on
the, present in that proportion
of arable soils which is in-
soluble in aqua regia, 262
acid and urea, combination of,

261

Phosphorus, action of ammonia
on, 191

combinations of, 275
detection of by means
nesium, 179

Pitcoal, on some changes of when
heated, 143

Plants, living, excretion of car-
bonic acid by, 229
Platinising copper, yellow metal,
and brass, 226

Platinum, discovery of in Scot-
land, 154

compounds, new series of. 179
gold, palladium, iridium,
osmium, and rhodium, atomic
weights of, 302
Playthings, arsenical, 103
Poisoning, household, 47
Poisons act, sale of, 23
Pollack, M., cement for iron and
stone, 287

Polymeric cyanobromide, 274
Polytechnic, the Royal, 11, 177
Popoff, M. A., on ethyldimethyl-
carbinol, 286

Positive or negative, 156, 167,

168

Potassium, action of upon Dutch

liquid, 211

chloride of, and chloride of
sodium, decomposition of, 298
cyanate, action of upon amido-
acids, 10

silico-fluoride of, solubility of

in dilute hydrochloric acid, 180
and sodium, chlorides of, behavi-
our of in presence of metallic
vapours, 9

or sodium, detection of sulphur
by means of, 179
sulphate of in ergot, 103
Pott, Dr. R., hydroxyl derivative
of cymol, 261

new method for preparing cymol
from camphor, 261
Powder, Austrian non-explosive
blasting, 108

Powders, on new explosive, 159
Precipipate, white, 103

Precipipates, washing of, 160, 173
Priestley's letters to Canton, re-
markable passage in, 235
Prize, chemical, 190
Products, commercial, on the ig-
niting point of some, 41
Propane, on the derivative of, 194,
298

Propyl compounds, derived from
the propylic alcohol of fermen-
tation, 198
Propylic alcohol, on the existence
of a normal, 203

of fermentation, propyl com-
pounds derived from 198
Proximate analyses of coals, 282
Pulp, wood, 204, 263

on the bleaching of, 9
Pump, laboratory, 259, 295
Putrefaction, creatinine an index
of, 8

Pyrhelioscope, synoptic, on the
construction of a, 223
Pyruvic acid, on 191

211, 225, 249, 296

a plea for the word, 236, 296
Quinine, on a certain reaction of,

152, 253

citrate of, 103

picrate of, 108, 132
sulphate of, testing, 238

RACEMIC ACID, formation

and constitution of, 22
Rayet, A., on the refrangibility of
the brilliant yellow ray of the
solar atmosphere, 158
Rees and Co., biphosphated
Peruvian guano, 118, 142
Refining sugar, on the chemistry
of, 78, 96, 130, 153, 166, 177
on a new method of manufac-
turing and, 197

Researches into the chemical con-

stitution of narcotine, and of
its products of decomposition,

197

on materials for resisting high
temperatures, 226
Resin, on a constituent of the,
from the Ferreira spectabilis,
237

Reynolds, Dr. J. E., isolation
of the missing sulphur urea,

7

laboratory pump, 259
Rhodium, gold, platinum, iridium,
osmium, and palladium, ato-
mic weights of, 302
Richter, Dr., experiments on the

direct decomposition of sul-
phide of calcium as met with
in soda waste, by means of
chloride of manganese, 287
Ritthausen, M., on cholesterine
in wheat and rye, 104
Rivers, experiments on the quan-
tity of mud and slime carried
down by, 274

Roccella tinctoria, some varieties
of, 203

Rochleder, M., on isocitric acid,
287

Rodwell, G. F., note on Aristotle
and the discovery of the weight
of air, 123, 189, 209

Rosette metal, estimation of sub-
oxide of copper occurring in,
238

Roux, M. Le, behaviour of
chlorides of sodium and po-
tassium in presence of metal-
lic vapours, 9
phenomena of electric light
and phosphorescence in the
midst of rarefied gases, 247
Rowan, Thomas, on the examina-
tion of the "flame" of the
Bessemer converter, 170
Royal Institution of Great Britain,
142, 223

Royal Society, 189, 213
Rye, cholesterine in 104