INDEX 



Accessory chromosome, as related to 

 sex, 634-637 ; Gross and Wallace 

 upon, 636; Henking upon, 635; 

 McClung upon, 635 ; Paulmier upon, 

 635 ; Wilson upon, 634, 636. 



Acclimatization, bearing of, on insta- 

 bility of living matter, 308-316; by 

 inoculation, 382 ; effect of, upon 

 transmission, 374-386 ; extent 0^375, 

 376; in general, 105,314-316; of the 

 individual and of the race, 374; of 

 races, 384; of poplar, 376; of wood 

 sage on high and low altitudes, 378 ; 

 permanence of, 315; to chemicals, 

 308-311 ; to cold, 313 ; to electricity, 

 314; to high temperature, 311-313; 

 to hot springs, 379; to light, 313; to 

 poisons, 381-382 ; to temperatures, 

 376-381 ; transmission of, 374; with- 

 out selection, 379, 381. 



Acid secreted by animals and plants, 

 267. 



Acquired characters, 182, 308-311 ; as 

 distinct from congenital, 354-356; in- 

 heritance of, 349 ; non-existence of, 

 358-360. 



Actinian, reaction to chemicals, 273, 

 274 ; regeneration in the, 334. 



Adaptations, 350; not universal, 206- 

 208, 412. 



Adlum, John, originator of Catawba 

 grape, 134. 



Age, influence of, upon functional activ- 

 ity, 94 ; influence of, upon prepotency, 



573- 



Albinism common in most species, 114. 

 Amitosis, 151. 



Amoeba, response to light, 253, 254. 

 Amphiaster, 147. 

 Amphicyon, 50. 

 Ancestral heredity, formula for, 533, 



534 ; law of, 525-534. 

 Ancestral idioplasm, 173. 

 Ancestral units, 173. 

 Animal breeding, 654-676; advantages 



of, 654 ; disadvantages of, 654, 655 ; 



disadvantage of many characters in, 



656, 657 ; during a depression, 665, 



666 ; fashion in, 658, 659 ; by beginners, 

 675 ; records in, 666-672 ; show-ring 

 consequences, 660 ; testing sires and 

 dams, 660-664 ; testing young females, 

 66 1. 



Animals, growth of, influenced by heat, 

 258, 259 ; higher regeneration in, 

 325, 326; reduction in, compared 

 with plants, 165. 



Ant, polymorphism of, 20. 



Antenna developed as a foot, 43. 



Apes, meristic variation in teeth of, 48, 



49- 



Arrays of the correlation table, 459. 



Artemia salina, effect on, by degree of 

 salinity, 102. 



Artificial parthenogenesis, experiments 

 in, 278-282. 



Assortative mating, 163. 



Aster, 147. 



Asymmetry, 70. 



Atavism, 192-194. 



Attraction of odors, 275. 



Average deviation, 427 ; illustrated, 

 441-443. 



Averages, 681-685 ; arithmetic mean, 

 682, 683 ; function of, 682, 685 ; geo- 

 metric mean, 683, 684 ; mode, median, 

 684, 685 ; weighted arithmetic mean, 

 682, 683. 



Bacillus tuberculosis excites abnormal 



growth, 98. 

 Bacteria, effect of culture medium 



upon, 229. 

 Bailey, experiments in acclimatization, 



376-378 ; on bud varieties, 181 ; on 



the gooseberry, 130. 

 Bardeleben, studies in mammae, 47. 

 Barrenness to certain individuals, 201. 

 Bathmic influences, 202-208. 

 Bear, variation in digits of, 58. 

 Bees, effect of food upon, 226. 

 Begonia, regeneration of, 238, 331. 

 Belated inheritance, 475. 

 Bert, experiments in grafting, 107. 

 Biometrika, journal of statistical study, 



478. 



715 



