451 



INDEX TO VOL. XVII. 



ACETAL, on the conversion of alde- 

 hj'tle into, 276. 



Acetyle, on the peroxide of, 302. 



Acids, organic, on the peroxides of 

 the radicals of the, 301. 



Air, on the production of ^abrations of, 

 in open tubes, 419. 



Airy (G. B.) on Mr. Cayley's trigo- 

 nometrical theorem, and on Prof. 

 Challis's proof that equations have 

 as many roots, &c., 1/6- 



Aldehyde, on the action of chloride of 

 acetyle on, 195; on the action of 

 ])hosgene gas upon, 430. 



Alloys, on the hardness of, 114. 



Amarine, on some products of decom- 

 position of, 429. 



Amphibian remains from South Africa 

 and Australia, on, 3/3. 



Amylamine, on the action of bisul- 

 phide of carbon upon, 368. 



Anderson (Rev. J.) on the yellow 

 sandstone of Dura Den, 446. 



Andrews (Dr. T.) on the conversion of 

 oxygen into ozone, 435. 



Aniline, on the action of bibromide of 

 ethylene upon, 66; on the action 

 of bichloride of carbon on, 131. 



Animals, on the composition of, 

 slaughtered as human food, 291. 



Apatite, on the formation of, 128. 



Arbutine, on the constitution of, 425. 



Archer (C.) on the adaptation of the 

 human eye to varying distances, 224. 



Atkinson (Dr. E.), chemical notices 

 from foreign journals by, 275, 422. 



Atlantic cable, on the, 27- 



Ball (J.) on the veined structure of 

 glaciers, 263. 



Barometer, on the semidiurnal oscilla- 

 tion of the, 313. 



Beckles (S. II.) on fossil foot-prints 

 in the old red sandstone, Tl . 



Becquerel ( E . ) on the phos])horescencc 

 of ga-ses by the action of electricity, 

 • 383. 



Belt (T.) on the origin of whirlwinds, 

 47. 



Benzaraic acid, on the action of nitrous 

 acid upon, 371. 



Bile, on the action of, upon fats, 145. 



Binney (E. W.) on the occurrence of 

 liassic deposits near Carlisle, 305. 



Bird, on a fossil, 375. 



Books, new : — Boole's Treatise on 

 Differential Equations, 430. 



Borodine(M,) on hydrobenzamide and 

 amarine, 428. 



Bothriceps australis, description of, 

 373. 



Brewster (SirD.) on the polarization 

 of the light of comets, 311 ; on 

 the coloured houppes or sectors of 

 Haidinger, 323. 



Brodie (B. C.) on the formation of 

 the peroxides of the radicals of the 

 organic acids, 301. 



Bromo-arsenious acid, on, 261. 



Buckton (G. B.) on the orgauo-me- 

 tallic radicals, and on the isolation 

 of mercuric, plumbic, and stannic 

 ethyle, 212. 



Buff (Prof.) on the law of electrolytic 

 conduction, 394. 



Calcium, on the preparation of, 278. 



Callan (Rev. Prof. N. J.) on an induc- 

 tion coil of great power, 332. 



Calvert (F. C.) on the hardness of 

 metals and alloys, 114. 



Camera obscura, on the, 1 . 



Caron (H.) on ai)atite, Wagnerite, 

 and some artificial species of me- 

 tallic phosphates, 128 ; on the arti- 

 ficial formation of minerals, 277- 



Cayley (A.) on a theorem in spherical 

 trigonometry, 151 ; on Poinsot's 

 four new regular solids, 123, 209. 



Cephalaspis, on a new s|)ecies of, 150. 



Cetacean, on a fossil, 375. 



Challis (Rev. Prof. J.) on the central 

 motion of an elastic fluid, 21 ; on 

 the theory of Turlini's beats, 25; 

 on the direction of the vibrations of 

 a jwlarized ray, 102; a |)roof that 

 every equation lias us many roots 

 as it lias dimensions, 112, 2S.'i ; on 

 2 n 2 



