294 
Cope and Lamarckianism, 244. 
Cope on taste of toad, 118. 
Coral reef formation, 32. 
Country life in man, 256. 
Cretaceous period, 180. 
Cricket song, 134. 
Crinoids, 171. 
Crossing and variation, 53. 
Cuvier criticises Lamarck, 19. 
D 
Darwin, Charles, 
along La Plata, 28. 
at Buenos Ayres, 28. 
at Keeling Atoll, 31. 
at Galapagos, 30. 
father of evolution, 21. 
in Brazil, 27. 
in Patagonia, 209. 
in Peru, 30. 
on Beagle, 26. 
persuaded world of evolu- 
tion, 21. 
studies Lyell’s Geology, 26. 
studies Malthus, 35. 
Darwin, Erasmus, and evolu- 
tion, 16. 
Darwin’s ancestry, 22. 
birth, 23. 
burial in Abbey, 43. 
death, 43. 
education, 23. 
narrative of voyage, 33. 
patient mind, 45. 
purity of mind, 29. 
return to England, 33. 
short sketches, 39. 
study of barnacles, 34. 
work double, 233. 
INDEX 
Deer horns, 138. 
Descartes and evolution, 12. 
Descent of man, 180. 
Determinants in nucleus, 238. 
Development of chick, 204. 
Development of pond-snails, 46. 
Devonian age, 173. 
Devonian fish, 173. 
DeVries and mutation, 246. 
Duckmole, 208. 
E 
Early marriage, 272. 
Earth’s age, 155. 
Ecstatic flight, 136. 
Egg-laying mammals, 208. 
Eimer and orthogenesis, 243. 
Elements of Geology, Lyell, 26. 
Emanuel Kant and evolution, 
13. 
Embryo of chick, 203. 
Emerson and nature, 48. 
Empedocles and evolution, 8. 
English sparrow (see Sparrow, 
English). 
Environment in man, 258. 
Eugenic program, 269. 
Evening primrose and muta- 
tion, 246. 
Evolution since Darwin, 233. 
F 
Feeble-mindedness, 264. 
Feet of mammals, 122. 
First living things, 165. 
Fish eggs, 145. 
Fish may freeze, 104. 
Fitz-Roy, Capt., and Beagle, 25. 
_ Freedom of teaching, 291. 
