INDEX 



267 



Dominant, 125, 148, 158. 

 DONCASTER, 217, 218. 

 Double flowers, 63. 

 DREYLINCOURT, 197. 

 DRINKARD, 129. 

 Drosophila, 129, 241. 



DUGDALE, 227. 



Duplex dose, 133. 

 DURHAM, 165, 171. 



EAST, 192. 



Echidna, 150. 



Echinoderms, 31. 



Echinus, 32. 



Education, 3. 



Edwards, Jonathan, 228, 260. 



Richard, 261. 

 Egg, abortive, 23. 



cell, 21. 



fertilized, 24. 



human, 28. 



mature, 23. 

 EIMER, 40. 

 ELDERTON, 232. 

 Elementary species, 62, 72. 

 Environment, 2, 88. 

 Enzyme theory, 33. 

 Equality of sexes, 201. 

 Erinaceus, 150. 

 Erithizon, 150. 

 Eugenic regulation of marriage, 261. 



rules, 238. 



sentiment, 251. 

 Eugenics, 244. 



Record Office, 245. 

 Euthenics, 244. 



Evening primrose (see (Enothera) . 

 Extension factor, 166, 170. 

 Extra chromosome, 207. 

 Extracted recessive, 148. 

 Extra toe, 69, 178. 

 Eye color in man, 121, 147, 177, 231 



in Drosophila, 129. 



Factor, color, 170. 

 complementary, 159. 

 compound, 159. 

 cumulative, 159, 187. 

 diluting, 165, 171. 

 extension, 166, 170. 



hypothesis, 159. 



inhibitory, 160. 



intensifying, 165, 171. 



pattern, 163, 171. 



pigment, 161. 



restriction, 166, 170. 



spotting, 171. 



supplementary, 159, 163. 



uniformity, 164, 171. 

 False reversion, 149. 

 FARRABEE, 129. 

 FAY, 233. 

 Feathers, absent, 69. 



branched, 69. 



recurved, 69. 



twisted, 69. 



Feeble-mindedness, 149. 

 Feet of Chinese women, 87. 

 Feral animals, 150, 152. 

 Fertilization, 24. 



abnormal, 30. 



selective, 202. 

 Firefly, 207. 

 Fission, 7. 

 Flavism, 151. 

 Fluctuation, 57. 

 Four-leaved clover, 39. 

 Four-o'clock, 175, 180. 

 Four-toed guinea-pigs, 59. 

 Franklin, Benjamin, 259. 

 Freaks, 58. 

 Freckles, 81. 

 Frogs, 200. 



GAGE, 83. 



GALEN, 198. 



GALTON, 42, 77, 98, 117, 120-122, 



151, 164, 244. 

 Galton Laboratory for Eugenics, 



246. 



Gamete, 23. 



Garden peas, 124-128, 132, 134. 

 GEDDES, 197. 

 Gemmules, 8. 



Generation, spontaneous, 6. 

 Genetics, 2. 

 Genotype, 113, 148. 

 Germ-cells, 21. 

 Germplasm, 10, 148. 

 GODDARD, 229, 236, 237. 



