400 



INDEX 



Germinal infection, ii. 69. 



Germinal Selection, ii. 113 ; influenced by 

 personal selection, ii. 155 ; relation of 

 determinants to determinates, ii. 153 ; 

 combination of mental gifts, ii. 150 ; 

 influence of amphimixis, ii. 125 ; in- 

 fluence of the multiplicity of ids, ii. 124 ; 

 objections on the score of smallness of 

 the substance of the germ-plasm, ii. 156; 

 degeneration of a species through culti- 

 vation, ii. 144 ; there are only plus and 

 minus variations, ii. 151 ; excessive in- 

 crease of variations, ii. 139 ; basis of 

 sexual characters, ii. 135 ; its sphere 

 of operation, ii. 127 ; small hands and 

 feet in the higher classes, ii. 147 ; cli- 

 matic forms, ii. 134 ; bud-variations, ii. 

 141 ; play of forces in the determinant 

 system, ii. 154; artificial selection, ii. 123; 

 short-sight, ii. 146 ; milk-glands, ii. 147 ; 

 deformities, ii. 137 ; muscular weakness 

 in the higher classes of men, ii. 147 ; 

 positive variation, ii. 122 ; regulated by 

 personal selection, ii. 131 ; source of 

 purely morphological characters, ii. 132 ; 

 disappearance of disused parts, ii. 119, 

 129 ; self-regulation of the germ-plasm, 

 ii. 128 ; specific talents, ii. 149 ; sport- 

 variations, ii. 140 ; spontaneous and 

 induced, ii. 137 ; excessive increase of 

 a variation tendency, ii. 130 ; prepon- 

 derance of panmixia, ii. 120 ; origin of 

 secondary sexual characters, ii. 143. 



Germinal vesicle, 295. 



Germ-plasm, conception of, 410 ; con- 

 tinuity of, 411; at once variable and 

 persistent, ii. 220 ; disintegration of, 

 in ontogeny, 379 ; nutritive variations 

 vyithin the, 379 ; structure of the, 373 ; 

 variation of, due to environment, ii. 267 ; 

 to nutrition, ii. 268. 



Germ-plasm theory, 345 ; accessory idio- 

 plasm, 383 ; active and passive state of 

 determinants, 379 ; connective tissue- 

 cells, 386 ; determinants and determi- 

 nates, 355 ; lithium-larvse, 383 ; ids, 

 conception of, 349 ; idants, 349 ; male 

 and female ids, 389 ; mesoderm cells of 

 sea-urchin, 387 ; plant-galls, 385 ; poly- 

 morphism, 390 ; proofs of existence of 

 determinants (Lyeama agestis, insect 

 metamorphosis, &c.), 356 ; sexual di- 

 morphism, 388. 



Germ-tracks, 411. 



Gesner's Book of Animals, 13. 



Godelmann, regeneration of Phasmids, 

 ii. 28 n, 



Goebel, 269. 



Goethe, ai-chetypal animal and plant, 18. 



Green animals, 64. 



Gruber, A., regeneration experiments on 

 the Protozoa, 340. 



Guignard, fertilization of Phanerogams, 



315- 

 Gulick, snails in the Sandwich Islands, 

 ii. 329. 



Haase, Erich, on Pharmacopagae, loi ; on 



mimicry, 104. 

 Haberlandt, protection of leaves, ii. 133 ; 



Auxo-spores, ii. 221. 

 Haeckel, Ernst, fundamental biogenetic 



law, ii. 173 ; monogonyand amphigony, 



267 ; palingenesis and coenogenesis, ii. 



173 ; genealogical trees, ii. 388. 

 Hacker, Valentin, importance of the 



nucleolus, 287 ; separateness of paternal 



and maternal nuclear substance during 



development, ii. 42 ; process of nuclear 



division, 291. 

 Hahnel, observations on the enemies of 



butterflies. 154 ; lizards and birds as 



enemies of butterflies, 97, 98. 

 Haller, 267. 

 Harmony, pre-established, apparently 



existing in development, ii. 309. 

 Hartog, views on amphimixis, 334 ; ii. 194. 

 Haycraft, on the equalizing eifect of am- 

 phigony, ii. 203. 

 Heidenhain, theory of mitotic division, 



291. 

 Heider, on the intimate processes of seg- 

 mentation of the ovum, ' i*egulation ' 



and * mosaic ' ova, 409. 

 Heliconiidae, first example of immune 



butterflies, 91. 

 Henslow, on purely morphological specific 



differences, ii. 308. 

 Herbst, lithium-larvae, 383 ; ii. 277. 

 Hereditary sequence, alternation of, ii. 50. 

 Hering, his reasons for assuming the 



inheritance of functional modifications, 



ii. no. 

 Hermaphroditism in flowers, ii. 250 ; in 



animals, ii. 239 ; advantages of, ii. 239. 

 Herrich-Schiifer, on mimicry, 105. 

 Hertvvig, O., fertilization of sea-urchin 



eggs, 293 ; theory of development, 354 ; 



differential cell-division, 376 ; inherit- 

 ance of functional modifications, ii. 106 ; 



maturation divisions of the sperm-cells, 



300. 

 Hertwig, E., chromosomes in Actino- 



sphserium, ii. 216. 

 Heterogony, ii. 244. 

 Heteromorphosis, Loeb on, ii. 7. 

 Heterostylism, ii. 254. 

 Heterotopia, 365, 367. 

 Hiras(5, fertilization of Phanei-ogams, 



313- 

 Histonal selection, 240 ; and personal 



selection, 280. 

 Hiibner, O., expei'iments on regeneration 



in Volvox, ii. 4. 

 Humming-birds, species fixed by isolation, 



ii. 290. 

 Hyatt, Alpheus, the snail-strata of Stein- 



heim, ii. 305. 

 Hybrids, ii. 60 ; of pigeons, 34 ; plant, ii. 



57- 



Hydra, regeneration in, ii. 4. 



Hydroid polyps, development of germ- 

 cells in, 411. 



Digitized by Microsoft® 



