548 



INDEX to VOL. IX. 



TTjTHER, on the existence of an 

 electrical, through space, 457- 



-<Ethyle, action of iodide of, on pico- 

 line, 214; on pyridine, 219; on 

 collidine, 221. 



Airy (G. B.) on the pendulum ex- 

 periments lately made in the Har- 

 ton Colliery, for ascertaining the 

 mean density of the earth, 309 ; on 

 the computation of the effect of the 

 attraction of mountain masses, 394. 



Alum, researches into the manufacture 

 of, 413. 



Amylaceous foods, micro-chemical re- 

 searches on the digestion of, 459. 



Anderson (Dr. T.) on the products 

 of the destructive distillation of 

 animal substances, 145, 214. 



Angstrom (A. J.), optical researches, 

 327. 



Animal substances, on the products of 

 the destructive distillation of, 145, 

 214. 



Antimony, on a peculiar phaenomenon 

 in the electro-deposition of, 73. 



Arithmetical progressions, on the 

 formation of powers from, 59. 



Asteroid, on the discovery of a new, 

 152. 



Ayres (Dr. P. B.), micro-chemical re- 

 searches on the digestion of starch 

 and amylaceous foods, 459. 



Ball (J.) on a doubtful point in cli- 

 matology, 363. 



Barlow (the late W. F.) on the respi- 

 ratory movements of insects, 229. 



Becquerel (E.) on the magnetic power 

 of oxygen, 474. 



Benzole series, on the determination 

 of boiling-points of the, 256 ; re- 

 searches on the, 453. 



Bertagnini (C.) on phillyrine, 78. 



Binney (E.) ou the structure of some 

 limestone nodules enclosed in seams 

 of bituminous coal, 235. 



Books, new: — Hopkins on the Atmo- 

 spheric Changes which produce 

 Rain and Wind, and the Fluctua- 

 tions of the Barometer, 54 ; Riess's 



Treatise on Frictional Electricity, 

 150. 



Boole (Prof. G.) on certain proposi- 

 tions in algebra connected with the 

 theory of probabilities, 165. 



Brachiopoda, on the anatomy of the, 



Brame (C.) on the limit of vaporiza- 

 tion of mercury, 157. 



Bridge (J.) on the oblique aberration 

 of lenses, 342. 



Brine -springs of Worcestershire, on 

 the, 27. 



Brooke (C.) on the structure of cer- 

 tain microscopic test-objects, and 

 their action on the transmitted 

 rays of light, 56. 



Buff (Prof.) on galvanic circuits in 

 which perchloride of iron enters as 

 an element, 139. 



Bunsen (R.) on the law of absorption 

 of gases, 116, 181. 



Callan (Rev. N. J.) on a new single 

 fluid galvanic battery, 260. 



Carmichael (Rev. R.) on the quadra- 

 ture of surfaces and the rectification 

 of curves, 209. 



Cay ley (A.) on the porism of the in- 

 and-circumscribed triangle, 513. 



Challis (Prof.) on the eccentricity of 

 the moon's orbit, 130; on the 

 theory of the moon's motion, 201, 

 370 ; on the aberration of light, 

 430. 



Chapman (Prof.) on the object of 

 salt in the sea, 236. 



Cheletropis, on the anatomy of, 297, 

 542. 



Chemical affinity, on circumstances 

 modifying the action of, 535. 



Church (A. H.) on the benzole series, 

 256 ; on some derivatives of xylole, 

 453. 



Climatology, on a doubtful point in, 

 363. 



Coercive force, on the nature of the 

 so-called, 518. 



Collidine, analysis of, 148 ; action of 

 iodide of sethyle on, 221. 



