Index 
Crabs, regeneration of the feet 
of, 140. 
Crampton, H. E., 109. Note. 
Crosses, good or defective de- 
velopment in, 100. 
Cruelty, 386. 
Crystal-formation as compared 
with formation of the organ- 
ism, 228. 
Cunningham; colors of asym- 
metrical flat fishes, 217, 308. 
Cuscuta, 247. 
Cyclas cornea, 60. 
Dallinger; experiments in ac- 
climatization, 371. 
Dareste; headless monsters, 113; 
spina bifida, 127. 
Darwin, Charles; 20. Note, 
Xenia, 74; mixed races, 100; 
gemmules, 145; pangenesis, 
150, 281; inheritance in do- 
mestic animals, 160, 224; gas- 
tric juice, 206; theory of he- 
redity, 280; hen with plumage 
of a cock, 3IT. 
Darwin, Francis; setaria grass, 
44; mnemonic property of liv- 
ing substance, 375. 
Dastre; vital phenomenon, 338; 
functional activity and rest, 
340. 
Datura ferox and levis, 100. 
Davenport ; acclimatization, 371 f. 
Decisive experiment on inherit- 
ance, I7I. 
De Gros, see Durand. 
Delage; indirect ways of de- 
velopment, 12; parallelism be- 
tween ontogeny and phylog- 
eny, 14; generation, 38; sec- 
ondary protoplasmic connec- 
403 
tions, 47; localization of 
growth, 48; unicellular and 
pluricellular organisms alike, 
59; regeneration, 140, 9I 
Note, 125 Note; species forma- 
tion, 216; indirect ways of 
ontogeny, 12, 242; biogenetic 
theory, 263; sexual characters, 
310; indirect division of the 
nucleus, 354. 
DeMeyer, see Meyer. 
Determinants, (Weismann’s), 
122, 125, 127, 131, 136, 139, 142, 
I5I, 213, 220, 221, 284; of 
smaller growing power, 212. 
De Vries; causes of the spe- 
cificity of development, 106; 
pangens, 145, 206, 283; Weis- 
mann’s criticism of, 152; 
chemical compounds in plants, 
206; preformistic germs, 133; 
qualitatively equal cell divi- 
sion, 283. 
Differentiation, histologic, 117, 
124, 273; correlative, 47, 61, 
104. 
Dimorphism, 310 ff, 366. 
Diplogenesis, 257, 284. 
Disassimilation, 338, 348. 
Dogs (hunting), instinct of, 166. 
Double formations, 68, 87, 114, 
129, 132, 133. 
Driesch; Echinus microtubercu- 
latus, 80; half embryos, 110; 
theory of organic develop- 
ment, 243. 
Ducks, mixed races of, 100. 
Durand de Gros; human poly- 
zoism, 73. 
Dynamic equilibrium, 120, 293. 
