3^4 



Index 



Backbone, development of, 23 

 Bacteria, reactions to light, 38 



to salt, 39 

 BAILEY, number of cultivated plants, 



259 



Baldness, inherited, 68 

 BALZAC, heredity a maze, 119 

 Barbarism, 256, 287, 295 

 BARDEEN, X-rays on spermatozoa, 218 

 BATESON, Blue Andalusian, 106 



brachydactyl hand, 115 



"homozygote. and heterozygote," 

 84 



on evolution, 282, 283 

 BATESON and PUNNETT, on sweet pea 



hybrids, 102, 104, 185 



linkage, 185 



BAUR, factors for flowers of Antir- 

 rhinum, 103 



on leaf colors, 114 

 induction effects of poor soil, 246 

 Beans, pure lines, 66, 267 

 Bees, and Ants, 168, 315, 339 



influence of food on develop- 

 ment, 231 



workers, queens, drones, 231 

 BEETHOVEN, 334 

 Behavior, dogs, cats, monkeys, 48 



fish and frog, 330 



lower organisms, 37-47 



modifiability of, 50 



Paramecium, 46, 47, 48 



plasticity of, 51 



rigidity of, 51 



test of psychical processes, 36 



worms, star-fish, Crustacea, ver- 

 tebrates, 47-51 



Biglow Papers, on Lamarckism, 237 

 "Biophores" of Weismann, 129 

 Birth Control, 313 



Bithrate and deathrate, normally 

 equal, 309 



both decreasing. 310 



decreasing most in best families, 



3ii 



in Massachusetts, 311 



Bivalent chromosomes, 153 



Blastula, 22, 24, 25 



"BLENDING" INHERITANCE, 73, 108-112 



in length of ears in rabbits, in 



in length of skull in rabbits, 112 



in skin color of mulatto, 109, in, 



114 



"Blood lines," 268 

 Body and mind, 35 



parallel development, 55 

 BOULE, Chapelle aux Saints skull, 288 

 BOVERI, chromosomes differ in value, 

 174 



cleavage of sea urchin egg, 14 



dispermic eggs, 221 

 Brachydactylism, 69, 7/5, 117 

 Brain, development, 23 



size and weight, 334 

 Breeder, methods of, 273, 274 

 BRIDGES, intersexes in Drosophila, 169 



non-disjunction in Drosophila, 



183, 184 



/?ROMAN, death of families, 312 

 BROOKS, 75 

 Buddhistic belief in transmigration, 



33 



BURBANK, new combinations of char- 

 acters, 273 

 BUTLER, BISHOP, 321 



Cards, comparison with chromosomes, 



176 



Canary birds, fed on red pepper, 230 

 CANNON, relations of adrenin to pain, 



hunger, fear and rage, 236 

 physical substitute for warfare, 



304 

 Capacity, greater than realization, 334, 



. 335 



Captivity, cause of infertility, 313 

 CASTLE, factors for coat colors of 



rabbits, 101 

 recombinations of characters, 



270, 271 



size in rabbits, 112 

 value of selections, 268, 2/2 

 CASTLE and PHILLIPS, transplanted 



ovaries of guinea-pigs, 243, 244 

 Cataract, hereditary, 67, 118 

 CATTELL, birthrate of college gradu- 

 ates, 309 



families of scientists, 311 

 Cause and effect, universality of, 320, 



321 

 Causes, natural vs. final, 182 



elibacy, 296, 309 

 Cell characters inherited, 67 

 CELL DIVISION, 16, 18, 19, 20, 125, 135, 

 139, 136, 145 



