INDEX. 



481 



.relation of the electric and magnetic 



forces, 78. 

 Electric inductive capacity, specific, of 



certain substances, 40, 392. 

 Electricity evolved by the friction of 



waterand steam against otherbodies, 



437, 



, M. Becquerel's memoirs on, 22. 



, on the elementary laws of, 156. 



, on the odour accompanying, 



226. 



, Prof. Faraday's researches in, 



37, 49, 54, 77, 111, 200, 213, 437. 



, voltaic, contact theory of, 200 ; 



chemical theory of, 201.; on the 

 production of heat by, 280. 



Electro-chemical equivalents, on, 232. 



Electrolysis of secondary compounds, 

 153, 231. 



Electrolytic discharge, 50. 



Electro-magnetic clock, 249. 



Electrometer, 38. 



, hydrostatic, 156. 



, micrometer, 193. 



Electro-nitrogurets, on, 286. 



Elemi resin, 241. 



Ellipse and the hyperbola, method of 



proving the three leading properties 



of the, 443. 

 , spherical, on the rectification 



and quadrature of the, 387. 

 Ellipsoids of equilibrium, on, 34. 

 Embryo, first rudiments of the, not 



two halves, 283. 

 Embryology, researches in, 73, 136, 



222, 279. 



Emys Benstedi, a remarkable fossil 



turtle, 305. 

 Epithelium tables, cells and cylinders, 



compared with corpuscles of the 



blood, 324. 

 Equations, numerical, new method of 



solving, 300. 

 Equivalents, chemical, on, 119, 123. 

 Erratic boulders of Lochaber, 128. 

 Erythrine, chemical examination of, 



233. 



Erythroleicacid, chemical examination 



of, 233. 

 Erythrolein, 234. 



Erythryline, chemical examination of, 

 233. 



Erythrolitmine, 234. 



Escapement for an astronomical clock, 



description of an, 221. 

 Eudiometry, appHcation of the gas 



battery to, 464. 



Euphorbium resin, 241. 



Evans (Dr. W. J.) on the general and 



minute structure of the spleen, 456, 



457. 



Exley (T.) on a new theory of physics, 

 325. 



Eye, on the structure and mode of ac- 

 tion of the iris, 439. 



, on the cure of congenital blind- 

 ness, 303. 



, on the anatomy and physiology 



of certain structures in the orbit, 311. 



Factorial expressions, on, 456. 



Falkland Islands, meteorological jour- 

 nal kept at, 330. 



Fallopian tube of the rabbit, ova found 

 in the, 222. 



Faraday (Prof.), researches in electri- 

 city (11th Series), 37; (12th Series), 

 47, 49; (13th Series), 53, 54 ; (14th 

 Series), 77; (15th Series), 111 ; (16th 

 Series), 200; (17th Series), 213; 

 (18th Series), 437. 



-, a Copley medal awarded to, for 



his discovery of specific electrical in- 

 duction, 100. 



, chemical account of the Cold 



Bokkeveld meteoric stone, 134. 



Farnborough (Lord), notice of the late, 

 94. 



Farquharson (Rev. Dr. J.), on a geo- 

 metrical measurement of the height 

 of the aurora borealis, 162. 



, on the localities affected by hoar- 

 frost, 293, 294. 



, on ground-gru, or ice formed at 

 the bottom of running water, 295. 



, on a remarkable appearance of 



the aurora borealis below the clouds, 

 382. 



Farre (A.) on the organ of hearing in 

 Crustacea, 471. 



Fecundation, changes in the ovarian 

 ovum preparatory to, 222 ; point of, 

 222 ; changes in the ovum immedi- 

 ately after, 223. 



Fellows of the Royal Society admitted, 

 4, 85, 168, 251, 340, 400. 



, table showing their number in 



1837, 32; in 1838, 109; in 1839, 

 251 ; in 1840, 277 ; in 1841, 360; 

 in 1842, 428. 



, Foreign Members admitted, 5, 



168, 252, 400. 



Fellows of the Society, deceased, list 

 of, 4, 85, 167, 251, 340, 399. 



