INDEX 



295 



Fright paralysis, 108. 



Frog's long tadpole stage, 112. 



Frost and bluebirds, 61. 



Fur of seal, 100. 



Future evolution of man, 249. 



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. 



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, 



101. 



Horn of rhinoceros, 123. 

 Horns of deer, 138. 

 Horse and early man, 232. 



earliest, 223. 



neck, 229. 



story of, 220. 



three-toed, 227. 



Horseshoe crab, 171. 



How mammals developed, 192. 



Huxley at Oxford meeting, 42. 



I 



Ichneumon fly, 142. 

 Image of God, 288. 

 Improving the environment, 



259- 



Improving the stock, 261. 



Inheritance of acquired charac- 

 ters, 238. 



Insect's biting mouth, 93. 



Interpretation of Genesis, 284. 



Isolation, Jordan, 242. 



Isolation, Romanes, 242. 



Isolation, Wagner, 241. 



Java skull, 187. 



Jehovah confounding the na- 

 tions, 289. 



Jordan and isolation, 242. 

 Judgment, Michael Angelo, 289. 

 Jukes family, 265. 

 June-bug, 107. 



K 



Kallikak family, 265. 

 Kant and evolution, 13. 

 Katydid's color, in. 

 Katydid's song, 133. 

 Keeling Atoll and Darwin, 31. 

 King Crab, 171. 



Lamarck and evolution, 17. 

 Lampshells, 172. 



