INDEX. 



549 



spheric, 401 ; on a simple appa- 

 ratus for observing atmospheric, 

 542. 

 Electro-physiology, on some new ex- 

 periments in, 398. 

 Elefanti (F.) on arithmetical progres- 

 sions, 532. 

 Elliptic integrals, on the higher theory 



of, 394. 

 Elphinstone (H. W.) on a method 

 of obviating the effect produced by 

 currents in telegraph wires induced 

 by terrestrial cm-rents, 339. 

 Equation, on a proof of the theorem 

 that every algebraic, has a root, 

 230, 436. 

 Equations of the fifth degree, on the 



theory of the, 50, 342, 508. 

 Equivalents, on, and their determina- 

 tion in general, 272. 

 Ether, on chlorinated, 452. 

 Fairbairn (W.) on the resistance of 

 glass globes and cylinders to col- 

 lapse from external pressure, 585. 

 Falconer (Dr.) on the ossiferous caves 



near Palermo, 233. 

 Farr (Dr. R.) on the construction of 



life-tables, 467. 

 Fermentation, on the phaenomena of, 



340. 

 Flint-implements, on the occurrence 

 of, associated with the remains of 

 extinct Mammalia, 236, 291. 

 Flower (J. W.) on a flint- implement 

 recently discovered in a bed of 

 gravel near Amiens, 236. 

 Fluids, on certain remarkable laws 



relating to the cohesion of, 335. 

 Forces, on the general principles of 

 which the composition or aggrega- 

 tion of, is a consequence, 232. 

 Foucault (M. L.) on the various pro- 

 cesses made use of for findiug out 

 the configuration of optical sur- 

 faces, 157- 

 Frankland (Dr. E.) on organo-metallic 



bodies, 222. 

 Fritzsche (M.) on isouitrophenic acid, 



128. 

 Gages (A.) on vivianite, 182. 

 Gaugain (M. J. M.) on the existence 

 of a new species of resistance to the 

 transmission of electricity, 237. 

 Geisse (M.) on the conversion of 

 chloropicrine into mcthylaiuiue, 

 133. 



Genth (Dr. F. A.) on the occurrence 



of gold, 318. 

 Geological Society, proceedings of the, 



77, 153, 233, 474. 

 Geology of the south-east part of 



Vancouver's Island, 475. 

 Glacial theories, on, 309. 

 Gladstone (Dr. J. H.) on some opti- 

 cal properties of phosphorus, 30. 

 Glass, on some ])oints of analogy be- 

 tween the molecular structure of 

 ice and, 102. 



— - globes and cylinders, on the re- 

 sistance of, to collapse from exter- 

 nal pressure, 585. 



Glucina and its compounds, on, 455. 



Glycol, on the oxidation of, 463 ; on 

 the action of acids on, 471. 



Glyoxylic acid, on some salts of, 

 463. 



Godfray (Mr.) on a chart and diagram 

 for facihtating great-circle sailing, 

 228. 



Gold, on the occxu-rence of, 318. 



Gore (G.) on the rotation of hollow 

 spheres of metal by heat, 94. 



Graphite, on the atomic weight of, 

 539. 



Gravity, theory of the force of, 443. 



Griess (M.) on phenylic alcohol and 

 new derivatives, 129. 



Groups, on the theory of, 34. 



Gypsums and dolomites, on the for- 

 mation of, 153. 



Hahn (H.) on the expansion of cry- 

 stalline bodies by heat, 155. 



Haughton (Rev. S.) on the thickness 

 of the earth's crust, 420. 



Heat, on the rotation of hollow spheres 

 of metal by, 94. 



Henuessy (Prof. H.) on the thickness 

 and structiu-e of the earth's crust, 

 22. 



Hislop (Rev. S.) on the tertiary de- 

 posits, associated with trap-rocks, 

 in the East Indies, 153. 



Hlasiwctz (M.) on isopurpuric acid, 

 131. 



Hofuiann (Dr. A. W.) on a new class 

 of organic bases, 68 ; researches 

 on the phosphorus-bases, 148; new 

 volatile organic acids, from the 

 berry of the mountain ash, 3/9. 



Hopkins(JIr.) ou glacial theories, 309. 



Iluniphry (llr.) on the limbs of ver- 

 tebrate animals, 231. 



