438 



INDEX 



Hesperotettix (grasshopper), 164, 165 

 Heterochromosomes, 358 ff. 

 Heterodera (fungus), 260 

 Heterogametic females, 363 



males, 358 ff. 

 Heterotypic mitosis, 220, 231 ff. 



compared with somatic mitosis, 228 



and degeneration, 259-260 

 Heterozygous state, 339 

 Heuser, 144 

 Hexads, 249 

 Hick, 46 



Hieracium (angiosperm), 315, 316 

 Hill, 46 

 Hilum, 106 

 Hirase, 92, 294 

 His, 328 

 Hober, 51 



Hofmeister, 10, 13, 14 

 Holt, 165 



Homarus (lobster), 274 

 Homoeotypic mitosis, 220, 231 ff. 

 Homologous chromosome pairing, 161, 



252-254, 340, 342 

 Homozygous state, 339 

 Homunculus, 3 

 Hooke, 2, 23 

 Hoppe-Seyler, 40 

 Hormones, 139 

 Horse, 361 

 Hoven, 121 

 Humaria (fungus), 81, 223, 290, 291, 



312, 313 

 Hi'ippe, 67 

 Hutchinson, 295 ff. 

 Huxley, 12, 13, 168, 273 

 Hyaloplasm, 33, 42, 183 



sphere, 76 

 Hybrid echinoderms, 160, 163 



fishes, 159, 160 

 Hydatina (rotifer), 357, 364, 368 

 Hydnobolites (fungus), 81, 224 

 Hydra (coelenterate), 275 

 Hydrocharis (angiosperm), 256 

 Hydrodiclyon (green alga), 85, 105, 107, 

 109, 187 

 development of, 334, 411 

 inheritance in, 331, 334 

 Hydrogel, 37 

 Hydrophilus (beetle), 239 

 Hydrosol, 37 



Hygrophorus (fungus), 224 

 Hymenomycetes, 224, 292 



Hypertonic solutions, 285 

 Hypothesis, role of, 396-397 



Id, 226, 400 ff. 

 Idant, 226, 401 

 Idiochro matin, 208, 209 

 Idiochromosome, 358 

 Idioplasm, 258, 324, 400 



chemical conception of, 412 

 theory of Nageli, 399 

 Idiosome, 77 

 Ikeda, 248 



Ikeno, 86, 89, 93, 94, 294, 332 

 llyanassa (mollusk), 328 

 Immortality of certain cells, 138, 403 

 Independence of chromosome pairs, 255 

 Individuality, aleurone grain, 135 

 alga colony, 140 

 centrosome, 77 

 chromosome, 157 ff., 168 

 organism, 168 

 plastid, 113 

 Infusoria, 60 



Inheritance of acquired somatic changes, 

 399, 403 

 colony characters, 331, 334 

 Mendelian characters, 336 ff. 

 plastid characters, 331 ff. 

 sex, 354 ff. 

 Insects, 160, 239, 359 ff. 

 Inter-alveolar substance, 34 

 Interference, 389, 390 

 Inter-filar substance, 33 

 Interkinesis, 232, 236 

 Interphase, 145, 150, 151, 236 

 Intersexes, 370 ff. 

 Intracellular pangenesis, 399 

 Intranuclear spindle, 179 

 Intra-vitam stains, 117, 287 

 Intussusception, 193 

 Inulin, 134, 135 

 Inversion of phases, 36, 44 

 Ipomcea (angiosperm), 196 

 Iris (flag), 121, 122, 177 

 Ishikawa, 256 

 Isoetes (pteridophyte), 114 

 Isonandra (angiosperm), 135 

 Isotropy of egg, 328 



Jaeger, 402 



Jahn, 59, 208, 222 



