INDEX. 
Chronometer compass, description of 
a, 31) 
Cima (M. A.) on a new stereoscopic 
phenomenon, 480. 
Clausius (Prof. R.) on the nature of 
the motion which we call heat, 108. 
Cloez (M.) on cyanztholine, 273. 
Cloud, on the cirrous form of, 22. 
Cobalticacid, onthe constitutionof,51. 
Colour, experiments on the percep- 
tion of, 40. 
Compounds, on the time required by, 
for decomposition, 346, 
‘Cook (Rev. W.) on the theory of the 
gyroscope, 395. 
Craters, on the formation of, 128, 188. 
Crookes (W.) on the photography of 
the moon, 227. 
Crystals, on the magnetic induction 
of, 477, 553. 
Curves of the third order, on, 67. 
Cyanztholine, 272. 
Demidovite, analysis of, 397. 
Despretz (C.), on chemical decompo- 
sitions by the yoltaic pile, 75. 
Determinants, on, 390. 
Deville (M. St.-Claire) on the pre- 
paration and properties of mag- 
nesium, 53. 
Dexter (M.) on the equivalent weight 
of antimony, 102. 
Donkin (Prof. W. F.) on the equation 
of Laplace’s functions, 65. 
Dove (Prof. H. W.) on the electric 
light, 383. 
Draper (J. W.) on the measurement 
of the chemical action of light, 161 ; 
on the influence of light upon 
chlorine, and some remarks upon 
alchemy, 321. 
Duppa (B. F.) on the action of bro- 
mine on acetic acid, 217. 
Electrical force, on some special laws 
of, 156. 
— light, on the, 383. 
Electricity, statical researches in, 81, 
176. 
Electrie telegraph, on practical me- 
thods for rapid signalling by the, 
Elephants, on the fossil species of, in 
England, 72. 
Equation, on the conditions for the 
existence of given systems of equa- 
lities among the roots of an, 218 ; 
on the symmetric functions of the 
557 
roots of an, 7b.; on the resultant 
of a system of two, 153. 
Excrements, on the immediate prin- 
ciples of human, in the healthy 
state, 310. 
Falconer (Dr. H.) on the species of 
Mastodon and Elephant occurring 
in the fossil state in England, 72. 
Faraday (M.) on the experimental re- 
lations of gold (and other metals) 
to light, 401, 512. 
Fluids, elastic, on the constitution of, 
211; on the deviation from the 
primary laws of, 279. 
Fluorescence, experiments on, 552. 
Foucault (L.) on a new polarizer, 552. 
Froth, notes on, 314. 
bo acid, on the constitution of, 
Gases, on the sounds produced by 
the combustion of, in tubes, 541. 
Geological Society, proceedings of 
the, 72, 153. 
Geology of the southern part of An- 
dalusia, 155. 
Geometry, spherical, on, 35. 
Glacier ice, on the structure of, 241, 
512, 548. 
Glaciers, on the structure of, 481. 
Gladstone (Dr.) on froth, 314; onthe 
colour of salts in solution, 418 ; on 
the effect of heat on the colour of 
salts in solution, 423. 
Glycerine, on the artificial formation 
of, 272. 
pcr the relations of to light, 401, 
Guthrie (F.) on iodide of acetyle, 183 ; 
on the preparation of the double 
zethers, 187. 
ba ye ou the theory of the, 340, 
95. 
Hamilton (Sir W. R.) on the caleu- 
lation of the numerical values of 
a certain class of multiple and de- 
finite integrals, 375. 
Harris (Sir W.S.), researches in sta- 
tical electricity, 81, 176; on some 
special laws of electrical force, 156. 
Haughton (Rey. J.) on the siliceo- 
felspathie rocks of the South of 
Ireland, 47. 
Hearder (J. N.) on the improved in- 
duction coil, 237. 
Heat, on the nature of the motion 
which we call, 108; remarks on, 211. 
