622 



INDEX 



Germ-nuclei as bearers of heredi- 

 tary qualities, 58 

 Germ-plasm, persistence of, 449 

 Girou, 22 

 Goethe, 113 

 Golden Rod, 180 



Gout, transmissibllity of, 182, 261 

 Grandidier, 20 

 Guaita, Von, 115, 387 

 Gulick, 540, 541 

 Guyer, 65, 494 



Haacke, Dr. W., 196 



Habits and instincts, modifications 

 of, 220 



Haeckel, 32, 224, 407, 454 ; on 

 transmission of acquired char- 

 acters, 196, 228 



Haecker, observations of water- 

 fleas, 51 



Haemophilia, 20, 265, 291 



Haller, Albrecht von, 397 



Hamilton, Prof. D. J., 255, 296; 

 on gout, 131, 182 ; on nervous 

 diseases, 263 ; on nerve-cells, 

 279, 284 



Hands, large and small, 209 



Hannot, 291 



Hare -lip, 288 



Hartmann, R.. 227 



Hartog, Prof. M., 222 



Harvey, Dr. Alexander, on cross- 

 breeding sheep, 147, 154, 155 



— William, 397, 416 



Hatschek, 103 



Heape, 501 



Heine, 249 



Herdman, Prof. W. A., 406 



Heredity, definitions of, 15 ; re- 

 statement of central problem of, 

 37 ; and variation, 66 ; and 

 evolution, 85 ; and disease, 250 ; 

 experiments on, 374 ; and in- 

 heritance, 391 ; old theories of, 



394 

 Hering, E., 454 



Hertvvig, Prof. O., 62, 63, 186, 416, 

 420, 422, 436 



Hertwig, Prof. R., 487 



Hickson, 65 



Hilaire, Etienne Geoffroy St., 83 



Hill, Dr. Leonard, 232 



His, 168, 416 



Histonal selection, 456 



Hofacker, 484 



Homochronous heredity, 19 



Horse and zebra, hybridisation of, 

 138 



Horses, reversion in, 1 30 ; improve- 

 ment in trotting, 207 



Hurst, C. C, 354, 363 



Hutchins, D. E., 224 



Hutchinson, 261, 264, 288, 292 



Huxley, 398, 431, 438 ; on La- 

 marckian hypothesis, 172 



Hybridisation in general, 380 ; of 

 distinct species, 380 ; resultsof, 383 



Hypothesis of development, 440 



Idioplasm, 429 



Idiosyncrasies, physiological, 268 



Ids and idants, 430 



Immunity, 218, 296 



Individual contribution, law of 



diminishing, 324 

 Individuated stocks, relative in- 

 fertility of, 538 

 " Infection " hypothesis, 153 

 Infections, 298 

 Inheritance, the physical basis of, 



26; dual nature of, 49, 51 ; in 



cases of parthenogenesis, 57 ; 



unilateral, 112 ; " crossed," 113 ; 



particulate, 114; Mendelian, 116; 



statistical study of, 309 ; law 



of ancestral, 323 

 Innate and acquired diseases, 258 

 Integral division, 419, 441 

 Intercrossing, swamping effects of, 



370 

 Intracellular pangenesis, De Vries' 



theory of, 453 



