. Index 



Bacteria, reactions to light, 38 



to salt, 39 

 BAILEY, number of cultivated plants, 



247 



Baldness, inherited, 68 

 BALZAC, heredity a maze, 120 

 Barbarism, 243, 272, 279 

 BARDEEN, X-rays on spermatozoa, 210 

 BATESON, Blue Andalusian, 105 



brachydactyl hand, 116 



"horriozygote and heterozygote," 



83 



on evolution, 268, 270 

 BATESON and PUNNETT, on sweet pea 



hybrids, 101, 103, 181 



linkage, 181 



BAUR, factors for flowers of Antir- 

 rhinum, 102 



on leaf colors, 112 



induction effects of poor soil, 235 

 Beans, pure lines, 66, 255 

 Bees, and Ants, 166, 297, 321 



influence of food on develop- 

 ment, 222 



workers, queens, drones, 222 

 BEETHOVEN, 316 

 Behavior, dogs, cats, monkeys, 48 



fish and frog, 312 



lower organisms, 37-47 



modifiability of, 50 



Paramecium, 46, 47, 48 



plasticity of, 51 



rigidity of, 51 



test of psychical processes, 36 



worms, star-hsh, Crustacea, ver- 

 tebrates, 47-51 



Biglo'w Papers, on Lamarckism, 227 

 "Biophores" of Weismann, 129' 

 Birth Control, 295 

 Birthrate and deathrate, normally 



equal, 291 



both decreasing, 292 



decreasing most in best families, 



293 

 in Massachusetts, 293 



Bivalent chromosomes, 154 



Blastula, 22, 24, 25 



"BLENDNG" INHERITANCE, 73, 108-111 

 in length of ears in rabbits, no 

 in length of skull in rabbits, in 



in skin color of mulatto, 108, 109, 



"Blood lines," 256 

 Body and mind, 35 



parallel development, 55 

 BOULE, Chapelle-aux-Saints skull, 271 

 BOVERI, chromosomes differ in value, 

 171 



cleavage of sea urchin egg, 14 



dispermic eggs, 213 

 Brachydactylism, 69, 116, 117 

 Brain, development, 23 



size and weight, 316 

 Breeder, methods of, 260, 261 

 BROMAN, death of families, 295 

 BROOKS, 75 

 Buddhistic belief in transmigration, 



33 



BURBANK, new combinations of char- 

 acters, 261 



BUTLER, BISHOP, 303 



Cards, comparison with chromosomes, 



173 



Canary birds, fed on red pepper, 222 

 Capacity, greater than realization, 316, 



317 



Captivity, cause of infertility, 295 

 CASTLE, factors for coat colors of 



rabbits, 102 



recombinations of characters, 

 ^258, 259 



size in rabbits, ill 

 value of selections, 256-260 

 CASTLE and PHILLIPS, transplanted 

 ovaries of guinea-pigs, 232, 233 

 Cataract, hereditary, 67, 118 

 CATTELL, birthrate of college gradu- 

 ates, 291 



families of scientists, 293 

 Cause and effect, universality of, 



302, 303 



Causes, natural vs. final, 179 

 Celibacy, 278, 291 

 Cell characters inherited, 67 

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



136-144, 137 

 differential, 200 

 non-differential, 146, 200 

 significance of, 144, 148 

 Cell-Lineage, diagram of, 126 

 CELLULAR BASIS OF HEREDITY, 123 



