602 
INDEX. 
cific,597 ; heights of the principal points 
of that part of the Cordilleras, 597. 
Cambridge Philosophical Society, 16, 67, 
220 . 
Carbon, employment of, in voltaic com- 
binations, 35 ; on the combinations of 
with silicon and iron, 44, 297, 426. 
Carburetted hydrogen of acetates, action 
of chlorine on the, 235. 
Cells, physiology of, a contribution to the, 
526. 
Cervus, on the blood corpuscles of certain 
species of the genus, 599. 
Champagne, analyses of iron from, 522. 
Chemical rays, on the permeability of 
various bodies to the, 138. 
Chemical theory of galvanism, 485. 
Chemical types, on the law_ of substitu- 
tions and the theory of, 322, 442. 
Chemico-mechanical battery, on a new, 
315. 
Chemistry, on the theory of substitutions 
in, 1. 
Chess board, on the moving the knight 
over every square of, alternately, 498. 
Chlorate of potash, manufacture of, 237. 
Chloric Eether of M. Malaguti, 6. 
Chlorinated sulphuric aether of M. Mala- 
guti, composition of, 7- 
Chloride of salicyle, 215. 
Chlorine, action of, on salicin, 21 9 ; ac- 
tion of, on the carburetted hydrogen of 
acetates, 235. 
Chloroacetic acid, composition of, 4. 
Chromate of lead, on the reduction of, 
532. 
Circuits, galvanic, 485, 594. 
Clarke (Rev. W. B.) on ashes which fell 
on board the Roxburgh, off the Cape de 
Verd Islands, Feb. 1839, 144. 
Coal, beds of, on depressions produced in 
the surface of the ground by excavating, 
146. 
Coathupe (C. T.) on certain modifications 
of the powers of heat and light when 
transmitted through glass, 467. 
Cobalt ores, Norwegian, on two, from the 
Skutteruder mine, 482. 
Coblentz, analysis of iron from, 522. 
Coexistence, on derivation of, 37. 
Comets, the orbits of, on the determina- 
tion of, 72 ; on the discovery of a, 
151. 
Conductors, lightning, on the effects pro- 
duced by interposing different substances 
between the, 257 ; on the protection 
afforded by continuous, 408. 
Contact theory of galvanism, 485. 
Cooper (J. T.) on the employment of car- 
bon in voltaic combinations, 35. 
Copernican theory in England, on the 
reception of the, 461. 
Copper, on the precipitation of, by voltaic 
electricity, 309. 
Cordilleras, heights of the principal points 
of the, 597. 
Cornwall and Devon, geology of, 59. 
Conzeranite and Haydenite, on, 175. 
Crag, Norwich, age of the, 372 ; shells 
found in the, 372 ; age of the freshwater 
deposit, 373; age and origin of the 
drift, 373. 
Cromer and Sherringham, cliffs between, 
365. 
Cuba, gall gathered in, by W. S. Mac- 
leay, Esq. on the leaf of a plant belong- 
ing to the order Ochnace^, 16. 
Currents, induced, of the 3rd, 4 th, and 5th 
orders, on the production and properties 
of, 260. 
Cyanide of mercury, on a new compound 
of ferrocyanide of potassium with, 128. 
Cyanil, 154. 
Daguerreotype, on portraits in, 535. 
De la Caille's arc of the meridian, 594. 
Devon and Cornwall, geology of, 59. 
Derivative of the 1st degree, rule for find- 
ing the prime, 135; for finding the 
prime derivative of any degree, 135. 
Diabetic blood and urine, 238. 
Discharge, voltaic disruptive, on some 
phaenomena of the, 478. 
Draper (Prof.), experiments made in the 
south of Virginia, on the light of the 
sun, 81 ; on the electromotive power of 
heat, 451 ; on portraits in Daguerreotype, 
535. 
Dumas (M.), M. Berzelius on the theory 
of substitutions of, 1 ; examination of 
the properties of chloroacetic acid, 3 ; on 
the theory of substitutions, 152; on ace- 
tic and chloroacetic acids, 152 ; on the 
law of substitutions, and the theory 
of chemical types, 322, 442 ; on mecha- 
nical types, 501. 
Eastern Norfolk, disturbed position of the 
strata of, 376 ; by ordinary subterranean 
movement, 377; by landslips and slides, 
378 ; by pressure of drift ice, 379. 
Eifel limestone, fossils common to the, and 
the carboniferous limestone, 399. 
Electrical discharge, on the, 404. 
Electricity : — on the direction and mode 
of propagation of the electric force tra- 
versing interposed media, 185 ; on elec- 
tricity and magnetism, 200, 254, 551 ; 
on the precipitation of copper by vol- 
taic electricity, 309 ; Prof. Faraday’s 
researchesin, 329, 336 ; Mr. W. S. Flarris, 
on the electrical discharge, 404. 
Electricity and magnetism, contributions 
to, 200, 254, 551. 
Electric condition of iron, on an anoma- 
lous, 142, 
