34^ 



Index 



Bacteria,' reactions to light, 3S 



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 



"homozygote and heterozygote," 



8 3 



on evolution, 268, 270 



Batesqn 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 

 Bigldw 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, 7.?, 108-111 

 in length of ears in rabbits, no 

 in length of skull in rabbits, /// 



in skin color of mulatto, 108, 109, 



113 

 "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 



258, 259 

 size in rabbits, ill 

 value of selections, 

 Castle and Phillips, 

 ovaries of guinea 

 Cataract, hereditary, 67, 118 

 Cattkll, 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 



characters, 



256-260 

 transplanted 

 pigs, 232, 233 



