382 
Darwin on theology and science, 50. 
spirit of, 53. 
studies of the Galapagos, 12. 
Darwin's confidence in future, 42. 
home, 52. 
origin of species, 17 
plan of work, 16. 
Darwinian hypothesis, 69. 
theory, 17. 
Darwinism, 30, 64, 117. 
a working: hypothesis, 65. 
objections to, 42. 
not compelled by authority, 45. 
Daughter cells, 156. 
Dead hands in heredity, 124. 
Death, value of, 28. 
Decadence, causes of, 295. 
Decadent literature, 294. 
De Candolle on definition of species, 
212, 
Degenerates, 290. 
Degeneration, 273, 277, 280, 281. 
in inactivity, 302. 
in isolation, 287. 
in luxury, 289. 
in slavery, 288. 
in the slums, 288, 
in the tropics, 288. 
of eels, 228, 
of marine animals, 277. 
of mental dyspepsia, 290. 
of parasites, 278. 
of races, 282. 
of senility, 282. 
through charity, 283. 
under institutions, 297. 
Dégénerés supérieurs, 290. 
Descent, theory of, 47. 
Despondency in Europe, 295. 
Determinants, 177, 
De Vries on pangenes, 104, 178. 
Dickinson on plagues of Australia, 
202. 
Diener on ammonites, 249. 
Direct division in cells, 158. 
Disuse a factor in development, 113. 
FOOT-NOTES TO EVOLUTION. 
Diversity in life, 3. 
Distribution of fishes, 86. 
_ of species, 191. 
Dogmatism in control of action, 377. 
Doubtful species, 212. 
Down, the home of Darwin, 52. 
Drake, the lineage of, 142, 
of Windsor, 143. 
Draper on conflict with religion, 368. 
Driesch on unknowable factors, 98. 
Drugs, effect of, 275. 
Duck bill, 4o. 
Dugdale, 303. 
on the Jukes, 287. 
Dwight on variations in shore larks, 
214. 
Echinoderms, development of, 237. 
eggs of, 107. 
Echinus, 175. 
microtuberculatus, 186. 
Edentates of South America, 14. 
Edwards on lineage of a little girl, 
142. 
Edwards, Mary Stockton, 142. 
Eels, origin of, 43, 228. 
Effort, 89. 
of animals, 26. 
Egg-bearing, reflex effect of, 313. 
cell, development of, 170, 172. 
maturing of, 170. 
of mammals, 39. 
of metazoa, 168. 
Ego, 138, 140, 270. 
a co-operation, 140. 
development of, 272. 
Egomania, 294. 
Elderkin, lineage of, 142. 
Embryo in egg at all stages, 108. 
Embryology, 35-37. 
testimony of, 100. 
Embryonic development, 231. 
formula, 139. 
stage, 235. 
structures in man, 40. 
Embryo primarily sexless, 136. 
