374 



Index 



Fluctuating variations, 6, 297 ff., 



346 S. 

 Folin, 22 

 Food, influence on polymorphism 



in wasps, 222 ff. 

 Food castration, 224; influence on 



sexual cycle in rotifers, 224; on 



metamorphosis in tadpoles, 155 

 Ford, 63 

 Forssmann, 63 

 Fre"dericq, 351 

 Free-martin, cause of sterility, 



218-219 



Friedenthal, H., 53 ff., 60 

 Frisch, K., 278, 279 

 Froschel, P., 263 

 Fuchs, H. M., 90 

 Fucus, 123 

 Fundulus heteroditus, 51, 116, 



147, 300, 301, 302, 307 ff., 321 



ff., 328 ff., 335, 337, 357 ff. 



Galileo, 346 



Galvanotropism, II, 270 ff., 319 



Gay, F. P., 62 ff. 



Generation, spontaneous, 14 ff., 



34 



Genes, 4 ff., 152, 319 



Genus and species, chemical basis 

 of, 40 ff. 



Geppert, 358 



Germination in seeds, 35 ff. 



Giard, 180, 216 ff. 



Godlewski, E., 48, 75, 78, 120, 

 126, 169 



Godlewski, E., Sr., 18 



Goebel, K., 154, 161 



Goldfarb, A. J., 326 



Goldschmidt, R., 220 ff. 



Goodale, H. D., 218 



Gortner, R., 249 



Graber, V., 256, 276 



Grafting, heteroplastic, in animals, 

 46; in plants, 47 



Gravitation, influence on organ 

 formation in Antennularia, 194 

 ff.; on the egg of the frog, 141 



Gray, J., 122 



Gregory, 243 



Groom, T. T., 280 



Growth, termination of, 184; in- 

 fluence of cell size, 187 



Gudernatsch, J. F., 155, 255, 342 

 Guyer, 124 

 Gynandromorphism, 209 



Haeckel, 346 



Half -embryos and whole embryos, 



141, 142 



Hammond, J. H., Jr., 269 

 Harden, 16 

 Hardesty, 358 

 Harmonious character of organism, 



5, 6, 318 ff., 341 ff. 

 Harrison, 31 

 Hartley, ill 

 Healing of wound, 187 

 Hektoen, 66 

 Heliotropism, n ff., 257 ff., 318; 



heredity of, 250 ff.; change of, 



279, 280 ff.; and adaptation, 



3i8 



Helmholtz, 34 

 Hemoglobins, crystallographic 



measurements of, 64 ff. 

 Henderson, L., 317 

 Henking, 198 ff. 



Herbst, C., 97, 147, 193, 306, 310 

 Heredity, of genus and species, 



40 ff., 70, 151, 152; Mendelian, 



70, 151 ff., 229 ff., 348; of sex, 



198; sex-linked, 203 ff., 238 ff.; 



and evolution, 348 

 Herlant, M., 78 ff., 115 ff. 

 Hermaphroditism, 89 ff., 212 ff., 



216, 219 ff. See also Inhibition 



and Regeneration. 

 Hertwig, O., 97, 123, 292 

 Hertwig, R., 95, 97 

 Hess, C., 278 

 Heterogeneous hybrids, purely 



maternal, 49, 50 

 Heterogeneous transplantation, 



Murphy's experiments on, 44 ff . ; 



limitation of, 46 

 Heteromorphosis, 155, 193-196 

 Hill, C., 25 

 Hippiscus, 199 

 Holmes, S. J., 269 

 Hoppe-Seyler, 351 

 Hormones, 145, 155, 181, 219; and 



Mendelian heredity, 245 ff., 



348; and adaptation, 342. See 



also Organ-forming substances. 



