INDEX 



5i25 



Inheritance units, 99, 102 

 Inhibition, 68, 464 

 Insanity, 205, 206, 295 

 Instincts, 52-56, 78 



altruistic, 467 



inherited, 204 



origin of, 56 



reproductive, 484 

 Intellect, 59-66 

 Intellectual capacity, inherited, 

 205 



genius, 291 



mediocrity, 291 

 Intelligence, factor in control, 

 461 



in evolution of man, 403 

 Interaction of parts, 328-334 

 Intra-cellular pangenesis, 182 

 Inverse Symmetry, 170-174 

 Irritability, 12, 36 

 Isolation of substances in 

 CELLS, 183, 185 

 in protozoa, 185 



James, William, 472, 498 

 Jennings, action of selection, 

 378 

 behavior of Paramecium, 



62 

 behavior of Stentor, 68 

 inheritance of size in Para- 

 mecium, 198 

 on Galton's laws, 221 

 on potential personalities, 



474 

 rapid breeding of Para- 

 mecium, 290 

 training of star-fish, 69, 498 

 Jerome, St., 41 



Jews, mixture with Gentiles, 417 



Johannsen, action of selection, 



377, 378 



genotype and phenotype, 96 



inherited weight of seeds, 



197 

 "pure lines," 378, 494 

 Johnson, marriages of college 



women, 430, 431, 498 

 Jordan, D. S., 498 



Jordan, H. E., 498 



Kammerer, effects of colored 

 soil on salamanders, 350, 

 498 



Keibel, development of human 

 embryo, 31, S3, 35 



Kellicott, 494 



Keratosis, 293 



King, modification of sex ratio, 

 149, 150, 499 



KoRscHELT and Heider, Sym- 

 metry of egg of Musca, 169 



Lamabok, on inheritance of ac- 

 quired characters, 334 

 Lamarckian Hypothesis, 347, 



348 

 Lamarckism, 38 

 Lang, snail hybrids, 266, 267, 



499 

 Laws on Eugenics, 420, 421 

 Learning by experience, 65, 465 

 Left-handedness, inheritance of, 



204 

 Lens, cataract, 199, 296 

 development of, 332 

 displaced, 296 

 weight of, 199 

 Leptinotarsa, selection in 379 

 Life, artificial production of, 

 302, 304 

 conditions limited, 453 

 definition of, 9 

 maze of, 463 

 Lillie, fertilization of Nereis, 

 17, SO, SI 

 on fertilizin, 154, 499 

 Limbs, transplanted, 332, 333 

 Lincoln, 424 

 Localization Pattern, 172 



in eggs of ctenophore, flat- 

 worm, echinoderm, anne- 

 lid-moUusk, chordate, 172, 

 178 

 Localization of substances in 



cells, 185 

 Lock, 494 



Loeb, J. Artificial partheno- 

 genesis, 108, 152, 495 



