INDEX 
Fright paralysis, 108. 
Frog’s long tadpole stage, 112. 
Frost and: bluebirds, 61. 
Fur of seal, roo. 
Future evolution of man, 249. 
G 
Galapagos Islands and evolu- 
tion, 30. 
Geological periods, 158. 
Glyptodon and armadillo, 29. 
Goethe and evolution, 20. 
Graphite from plants, 168. 
Grasshopper’s mouth, 93. 
Grasshopper song, 133. 
Groundhog and winter, 103. 
Growth of North America, 167. 
H 
Haeckel advocates evolution, 
42. 
Health certificates, 263. 
Henslow and Darwin’s educa- 
tion, 24. 
Henslow suggests Darwin for 
Beagle, 24. 
Heredity and natural selection, 
45. 
Heredity in man, 258. 
Homes, few animals have, 98. 
Homes, warm-blooded animals, 
IOI. 
Horn of rhinoceros, 123. 
Horns of deer, 138. 
Horse and early man, 232. 
earliest, 223. 
neck, 229. 
story of, 220. 
three-toed, 227. 
295 
Horseshoe crab, 171. 
How mammals developed, 192. 
Huxley at Oxford meeting, 42. 
I 
Ichneumon fly, 142. 
Image of God, 288. 
Improving the environment, 
250. 
Improving the stock, 261. 
Inheritance of acquired charac- 
ters, 238. 
Insect’s biting mouth, 93. 
Interpretation of Genesis, 284. 
Isolation, Jordan, 242. 
Tsolation, Romanes, 242. 
Isolation, Wagner, 241. 
J 
Java skull, 187. 
Jehovah confounding the na- 
tions, 289. 
Jordan and isolation, 242. 
Judgment, Michael Angelo, 280. 
Jukes family, 265. 
June-bug, 107. 
K 
Kallikak family, 265. 
Kant and evolution, 13. 
Katydid’s color, 111. 
Katydid’s song, 133. 
Keeling Atoll and Darwin, 31. 
King Crab, 171. 
L 
Lamarck and evolution, 17. 
Lampshells, 172. 
