INDEX. 



529 



Gastraea-theory, 875. 

 Gaudry, quoted, 347, 348. 

 Gauss, 183, 205. 

 Gautier, A. A., 205. 

 Gay-Lussac's Law, 86, 89, 98. 

 Gedcles, Patrick, 356, 891 ; quoted, 

 334, 500; on history of biology, 



Gegenbaur, 297, 835. 



Geikie, Sir Archibald, quoted, 223, 

 229, 233, 250, 261; Age of the 

 Earth, 244 ; ancient volcanoes, 

 253 ; on denudation, 243. 



Geikie, James, quoted, 254, 264 ; 

 Great Ice Age, 203; Earth Sculp* 

 ture, 251. 



Geneology, denned, 365. 



Genetic continuity, 370, 397, 415. 

 t-Hilaire, Eti 



Geoffroy Saint - 



enne, 295, 



Geography, 275. 



Geological record, its incompleteness. 

 349. 



Geological succession, idea of, 230. 



Geology, 225 ; dynamical, 225 ; ex- 

 perimental, 233; foundation 

 stones of, 228 ; stratigraphical, 



Gerhardt, 103. 



Germanium, 73, 112. 



Germ-cells, 369, 370, 416. 



Germinal continuity, 403. 



Germinal selection, 434. 



Genn-layers, 373. 



Germ-plasm, 399. 



Gibbs, Willard, 120. 



Giddings, quoted, 499. 



Gill, Sir Thomas, 193. 



Glaciation, 259. 



Glands, 291 ; ductless, 291, 298. 



Glazebrook, quoted, 167, 170. 



Glennie, J. Stuart, contributions, 



503. 



Glycogen, 293. 



Glycogenic function of liver, 293. 

 Goebel, 344. 

 Goethe, 376, 427; as morphologist, 



Goitre, 292. 



Goldschneidsr, 308. 



Goldstein, 163. 



Golgi, 305, 306. 



Goltz, 304, 810. 



Goodchild, Age of the Earth. 245. 



Goodsir, 312, 859, 362 ; on cells, 313 ; 



origin of cells, 357. 

 Gould, 200. 

 Graham, 93 ; on diffusion of gases, 



147. 

 Gravitation, 181 ; law of, 134 ; theory 



of law of, 135; formula, appli- 



cations of the, 182. 

 Grey matter of brain, 305. 

 Groos, on play, 459. 



Grove, correlation of physical 



forces, 120. 

 Gruber, 313. 

 Gudden, Von, 307. 

 Guerrini. 303. 

 Guettard, 228. 

 Guignard, 360. 

 Gulick, 427, 439. 

 Gulland, 298 ; tonsils, 299. 

 Gumplowicz, " Ratsenkampf," 520. 



H. 



Haacke, 414. 



Haeckel, 338, 350, 364, 402, 404, 414, 



427; biogenetic law, 375, 376; 



Gastraea-theory, 375; (Ecology, 



289. 



Haldane, J. S., 324. 

 Hall, Sir James, 232, 257, 275. 

 Hall, Marshall, 445. 

 Hall, Stanley, 471. 

 Halliburton, 300. 

 Hanstein, 338. 

 Haugergues, 144. 

 Hatty, 94, 273, 274. 

 Heape, experiments, 894. 

 Heat as a mode of motion, 141. 

 Heer, 266. 

 Hegel, 183. 

 Heidenhain, 300. 



eim, 263. 

 elium, 74. 



Hellriegel on bacteroids, 124. 



Helmholtz, 120, 129, 196, 222, 235. 300, 

 306; Die Erhaltung der Kraft, 

 141 ; on sun's heat, 208 ; velocity 

 of nerve-messages, 455 ; on vor- 

 tex rings, 167. 



Henderson, 191, 193. 



Henle, 356, 357. 



Henneberg, 391. 



Hennell, synthesis of ethylene 

 (1826-8), 100. 



Henry, induction currents, 161. 



Hensen, 392. 



Herapatii, 98, 148, 170. 



Herbst, 315 ; experimental embryo- 

 logy, 388. 



Heredity, 897; denned, 399. 



Hering, 404, 453 ; on metabolism, 319. 



Herschel, Sir John F. W., spect- 

 roscopy, 213 ; on the sun's neat, 

 206. 



Herschel, Sir William, his work, 188 ; 

 on the sun, 204 ; on sun-spots, 

 205. 



Hertwig, O., 315, 359, 860, 372, 881 ; on 

 cell-theory, 311 : experimental 

 embryology, 886 ; experiments 

 on frog's eggs, 382. 



Hertwig, O. and R., experimental 

 embryology, 887, 889 ; germ- 

 layers, 874. 



