INDEX. 



551 



Galloway (W.), experiments with safety- 

 lamps, 441. 



Garrod (A. H.) on some points connected 

 with the circulation of the blood, ar- 

 rived at from a study of the sphygmo- 

 graph-trace, 291. 



Geological ages (or groups of formations), 

 on the comparative value of certain, 

 considered as items of geological time, 

 145, 334. 



Gore (G.) on electrotorsion, 57. 



on the attractions of magnets and 



electric conductors, 245. 



Government Grant, account of appropri- 

 ation of, 1873, 19. 



Gravitating masses, on the action of heat 

 on, 37. 



Grubb (T.) on the improvement of the 

 spectroscope, 308. 



Gunpowder, on fired, 408. 



Giinther (A.), description of the living 

 and extinct races of gigantic land-tor- 

 toises : Parts I. & II. Introduction, and 

 the tortoises of the Galapagos Islands, 

 421. 



Haarmann (W.) and Tiemann (F.) on co- 

 niferine, and its conversion into the 

 aromatic principle of vanilla, 398. 



Habits of the genus Phronima, on the, 

 154. 



Harmonic curves, on an instrument for 

 the composition of two, 196. 



Hartley (W. N.), preliminary notice of 

 experiments concerning the chemical 

 constitution of saline solutions, 241. 



Heat, on the action of, on gravitating 

 masses, 37. 



Helmholtz (H. L. R), Copley medal 

 awarded to, 10. 



Hemispheres, cerebral, on the excitation 

 of the surface of the, by induced cur- 

 rents, 368. 



Hemispheral excess of sun-spots, on the 

 period of, 43. 



Hennessey (J. H. N.) on displacement of 

 the solar spectrum, 219. 



on white lines in the solar spectrum, 



221. 



on the periodicity of rainfall, 286. 



Henrici (O.), admitted, 380. 



Hewett (P. G.), admitted, 362. 



Howard (J. E.), admitted, 362. 



Huggins (W.) on the motions of some of 

 the nebulae towards or from the earth, 

 251. 



Human eye, on the centre of motion in 

 the, 429. 



voice, on the pneumatic action which 



accompanies the articulation of sounds 

 by the, as exhibited by a recording in- 

 strument, 277. 



Ice, sea-water, some observations on, 431. 



Irnray ( J.), the uniform wave'of oscillation 

 350. 



India, on the winds of northern, in rela- 

 tion to the temperature and vapour- 

 constituent of the atmosphere, 210. 



Indian venomous snakes, on the poison 

 of, 68. 



lodo-derivatives of the orcins, on the, 53. 



Isothermals and adiabatics of water, on 

 the, 451. 



Kew Committee, report of the, 20. 



Klein (E.), contributions to the normal 

 and pathological anatomy of the lym- 

 phatic system of the lungs, 133. 



on the smallpox of sheep, 388. 



Land-tortoises, on the living and extinct 

 races of: Parts I. & II. Introduction, 

 and the tortoises of the Galapagos Is- 

 lands, 421. 



Lankester (E. E.), contributions to the 

 developmental history of the Mollusca ; 

 Sections I., II., III., IV., 232. 



Leaf-arrangement, on, 298. 



Lemming, on the alleged existence of re- 

 mains of a, in cave-deposits of England, 

 364. 



Liquid fusion, on the alleged expansion in 

 volume of various substances in passing 

 by refrigeration from the state of, to 

 that of solidification, 366. 



Liquor sanguinis, on certain organisms 

 occurring in the, 391. 



Lockyer (J. N.), researches in spectrum- 

 analysis in connexion with the spectrum 

 of the sun: No. IV., 391. 



, spectroscopic notes : No. I. On the 



absorption of great thicknesses of me- 

 tallic and metalloidal vapours, 371 ; No. 

 II. On the evidence of variation in mo- 

 lecular structure, 372 ; No. III. On the 

 molecular structure of vapours in con- 

 nexion with their densities, 374 ; No. 

 IV. On a new class of absorption phe- 

 nomena, 378. 



and Seabroke (G. M.), spectroscopic 



observations of the sun, 247. 



Logan (H. F. C.) on the calculus of fac- 

 torials, 434. 



Lungs, contributions to the normal and 

 pathological anatomy of the lymphatic 

 system of the, 133. 



Lymphatic system, on the anatomy of 

 connective tissue, nerve, and muscle, 

 with special reference to their con- 

 nexion with the, 380, 515. 



Macdouald (J. D.) on the anatomy and 

 habits of the genus Phronima (Latr.), 

 154. 



