INDEX OF SUBJECTS 



343 



Euschistis, 281. 

 Evolution, 310. 



Factor, 302, 309. 

 Female sex, 18. 



Fertilization, 44, 47-49, 256, /. 

 Fission, 22. 



Frotf, hermaphroditism in, 205 ff. 

 Fusion, of chromosomes, 254 ; of 

 oocytes, 152, 155 /. 



Gel, 5, 6, 9. 



Gemmule, 18, 74-75, 76, 79. 



Genes, 302, 309, 310. 



Genetics, 309. 



Genetic-continuity of chromosomes, 



255. 

 Germ cell, 19-22, 101, v.s. somatic 



cell, 296-297. 

 Germ-cell cycle, 28-49. 

 Germinal continuity, 292. 

 Germinal epithelium theory, 98. 

 Germinal localization, 231. 

 Germinal spot, 214. 

 Germinal vesicle, 19, 20, 54. 

 Germ-plasm, in Ascaris, 177, in 



Hydra, 83-85 ; in Miastor, 293 ; in 



polyembryony, 162; in sponges, 



80. 



Germ-plasm theory, 290-310. 

 Gonochorism, 18, 191. 

 Gonocyte, 71, 73. 

 Gonothyroea, 89. 

 Gonotome theory, 97. 

 Graffilla, 157. 

 Gryllus, 123, 244. 

 Guinea-pig, 102, 103, 104, 227. 

 Gynandromorph, 193-194. 



Haploid, 247. 

 Hauptnucleolus, 214. 

 Helix, 195, 196 /., 226. 

 Hemiptera, amitosis in, 137. 

 Hermaphrodite, 18, 189-210, 269. 

 Heterocope, 165. 



Heterotypic mitosis, 46, 252, 253. 

 Heterozygous, 304. 

 Homologous chromosomes, 253. 

 Homotypic mitosis, 46. 

 Homozygous, 303. 

 Honey-bee, 143-144, 261 /., 266. 

 Hyaloplasm, 4, 5. 

 Hydra, 82-85, 159. 

 Hydractinia, 87. 

 Hydroid, life cycle of, 23. 

 Hydrophilus, 113. 

 Hydrozoa, 85-98. 

 Hymenoptera, 143-163, 221, 235. 



Idiochromatin, 28. 



Individuality of chromosomes, 



255. 



Interkinesis, 299. 

 Isotropism, 231. 



Jelly-fish, 23. 



Karyochondria, 279. 

 Karyokinesis, 13, 14, 15. 

 Karyolymph, 6. 

 Karyosome, 5, 7, 213. 

 Keimbahn, in Mquorea, 183, 184; 



Amphibia, 206 ff . ; Cladocera, 



163 /.; Copepoda, 165 /. ; 



insects, 106-163 ; nematodes, 



174-179; Sagitta, 179 ff. 

 Keimbahn-determinants, 19, 211- 



244, 296, 301 ; genesis, 211-234 ; 



localization, 234-240; fate, 240- 



244. 



Keimbahnchromidien, 223. 

 Keimbahnchromatin, 152 ff., 223. 

 Keimbahnplasma, 108, 110, 115, 



230, 235. 



Keimbahnzelle, 104. 

 Keimfleck, 214. 

 Keimhautblastem, 113, 114. 

 Keimstatte, 95. 

 Keimwulst, 108, 110, 115, 235. 

 Keimzone, 95. 



