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, I. 



Chess board, on the moving the knight 

 over every square of, alternately, 498. 



Chlorate of potash, manufacture of, 237. 



Chloric anher of M. Malaguti, 6. 



Chlorinated sulphuric aether of INI. Mala- 

 guti, composition of, 7- 



Chloride of salicyle, 215. 



Chlorine, action of, on salicin, 219 ; 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 tlie 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 ilie 

 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. 



Couzeranite 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 Ocknaceee, 76. 



Currents, induced, of the 3rd, 4th, 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 Cailles 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 

 phfenomena 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, 45 1 ; on portraits in Daguerreotype, 

 535. 



Dumas (M.), M. Berzelius on the theory 

 of substitutions of, I ; 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 

 researches in, 329, 336 ; Mr. W. S. Harris, 

 on the electrical discharge, 404. 



Electricity and magnetism, contributions 

 to, 200, 254, 551. 



Electric condition of iron, on an anoma- 

 lous, 142. 



