548 
Chemical notices from foreign jour- 
nals, 120, 292, 358, 495. 
Chlorobenzole, 299. 
Chowne (Dr. W. D.) on the elastic 
force of aqueous vapour, 225. 
Church (A. H.) on the oxidation of 
nitrobenzole and its homologues, 
176. 
Clairault’s theorem, observations on, 
O00. 
Cockle (J.) on quintics, 90; on trans- 
cendental and algebraic solution, 
379. 
Colour, on the neutralization of, in 
the mixtures of solutions of certain 
salts, 435. 
Colours, compound, on the theory of, 
141. 
Compass, on the deviations of the, on 
board iron-built ships, 531. 
Copper, on the electric conductivity 
of pure, 224. 
Corals, on the distribution of the, in 
the lias, 237. 
Croll (J.) on the repulsion of an elec- 
trical current on itself, 247. 
Crookes (W.) on the opacity of the 
yellow soda-flame to light of its 
own colour, 55; on the lithium 
spectrum, 79; on the existence of 
a new element, 301. 
Currents, on the velocities of, 1, 188. 
Dahlander (G. R.) on the equilibrinm 
of a fluid mass revolving freely 
within a hollow spheroid, 198. 
Daubrée (M.) on capillary infiltration 
through porous substances notwith- 
standing a strong counterpressure 
of vapour, 479. 
Davy (Prof. EK. W.) on further appli- 
cations of the ferrocyanide of pot- 
assium in chemical analysis, 214. 
Debray (M.) on the preparation of 
oxygen, 295. 
Debus (Dr. H.) on the fibrous arrange- 
ment of iron and glass tubes, 238. 
De Morgan (Prof.) on the logic of 
relations, 473. 
Determinants, on the theory of, 180. 
Deville (M.) on the theory of disso- 
ciation, 202; on the preparation of 
oxygen, 295; on the formation of 
some minerals, 496. 
Dianic acid, researches on, 415. 
Dioxymethylene, on the action of am- 
moniacal gas on, 125. 
Dittmar (W.) on a new method of 
INDEX. 
arranging numerical tables, 137; 
on graphical interpolation, 139. 
Donaldson (Rev. Dr.) on the origin 
and proper value of the word “ ar- 
gument,” 469. 
Drew (F.) on the succession of beds 
in the Hastings sand, 309. 
Drion (M.) on a new method of ob- 
taining solid carbonic acid, 495. 
Dufour (M.) on the freezing of water 
and the formation of hail, 543. 
Dupré (Messrs.) on the existence of a 
fourth member of the calcium group 
of metals, 86, 239. 
Electric current, on the repulsion of 
an, on itself, 81, 247, 319. 
currents, on the application of 
the theory of molecular forces to, 
281, 338. 
~——— discharge, on the duration of the 
spark of an, 565, 542. 
endosmose, on, 159. 
Electrical charge, on a new electro- 
meter for measuring the, 452. 
Element, on the existence of a new, 
of the sulphur group, 301. 
Hneseetiti, on the principles of, 274, 
Equations of the fifth order, researches 
on, 90, 210, 257, 348, 379. 
Evans (F.J.) on deviations of the 
compass on iron ships, 531. 
Fairbairn (W.) on the density of steam 
at all temperatures, and the law of ex- 
pansion of superheated steam, 230. 
Faraday (Prof.) on regelation, 146. 
Fermentation, on alcoholic, 120; ob- 
servations on, 361. 
Ferrocyanide of potassium, on new 
applications of, in chemical ana- 
lysis, 214. 
Field (F.) on the neutralization of 
colour in the mixtures of solutions 
of certain salts, 435. 
Fittig (M.) on the oxidation of toluole 
by dilute nitric acid, 362. 
Fizeau (M. H.) on several pheno- 
mena connected with the polariza- 
tion of light, 438. 
Fluor-spar, on the occurrence of ant- 
ozone in, 90. 
Forbes (D.) on the geology of Bolivia 
and Southern Peru, 154. 
Forbes (Dr. J. D.) on Ampére’s expe- 
riment on the repulsion of a recti- 
linear electrical current on itself, 
81, 
