INDEX 



541 



facial features, 203 

 fecundity, 210 

 genius, 212 

 instincts, 210 

 intellectual capacity, 211 

 left-handedness, 210 

 longevity, 208, 209 

 moral tendency, 211 

 obesity, 209 

 "particulate," 214 

 pathological characters, 



205-208 

 physiological characters, 208 

 psychological characters, 



210-213 

 sex-limited and sex-linked, 



215 

 stature, 202, 22i-226 

 temperament, 211 

 teratological characters, 205 

 through cytoplasm, 183-185 

 tuberculosis, 207, 208 

 will, 211 



INHERITANCE FACTORS, 259 



Inheritance material, 103 



seat of, 169 

 Inheritance units, 105, 108 

 Inhibition, 73, 480 

 Insanity, 211, 212, 303 

 Instincts, 56-61, 83 



altruistic, 483 



inherited, 210 



origin of, 61 



reproductive, 500 

 Intellect, 65-72 

 Intellectual capacity, inherited, 

 211 



genius, 212, 301 



mediocrity, 301 

 Intelligence, factor in control, 



477 



in evolution of man, 415 

 Interaction of parts, 336-342 

 Intra-cellular pangenesis, 188 

 Inverse Symmetry, 176-181, 294 

 Irritability, 12, 39 



Isolation of substances in 

 cells, 189-191 

 in protozoa 191 



James, William, 488 

 Jennings, action of selection, 

 on Paramecium, 386 

 on Difflugia, 390 

 behavior of Paramecium, 



67 

 behavior of Stentor, 73 

 inheritance of size in Para- 

 mecium, 204 

 on Galton's law, 227 

 on potential personalities, 



490 

 rapid breeding of Para- 

 mecium, 299 

 training of star-fish, 75 

 Jerome, St., 44 



Jews, mixture with Gentiles, 433 

 Johannsen, action of selection, 

 385 

 genotype and phenotype, 



102 

 inherited weight of seeds, 



203 

 "pure lines," 385, 388 

 Johnson, marriages of college 

 women, 446, 447 



Kammerer, effects of colored 

 soil on salamanders, 358 



Keibel, development of human 

 embryo, 34, 36, 38 



Kellicott, 510 



Keratosis, 302 



King, modification of sex ratio, 

 155, 157 



Korschelt and Heib-er, Sym- 

 metry of egg of Musca, 

 175 



Lane, development of vision, 40 

 Lamarck, on inheritance of ac- 

 quired characters, 342, 

 343 



