INDEX. 



627 



Geoffroy St. Hilaire, on balance- 

 ment, 139. 



, on homologous organs, 451. 



, Isidore, on variability of re- 

 peated parts, 140. 



, or correlation, in monstrosi- 

 ties, 10. 



, on correlation, 137. 



, on Variable parts being 



often monstrous, 145. 



Geology, future progress of, 502. 



, imperfection of the record, 



503. 



Gervais, Prof., on Typotberium, 

 857. 



Giraffe, tail of, 186. 



, structure of, 309. 



Glacial period, 389. 



, affecting tbe Nortb and 



South, 395. 



Glands, mammary, 334. 



Gmelin, on distribution, 390. 



Godvfin-Austen, Mr., on the 

 Malay Archipelago, 331. 



Goethe, on compensation of 

 growth, 139. 



Gomphia, 207. 



Gooseberry, grafts of, 290. 



Gould, Dr. Aug. A., on land- 

 shells, 416. 



, Mr., on colors of birds, 137. 



, on instincts of cuckoo, 353. 



, on distribution of genera of 



birds, 422. 



Gourds, crossed, 304. 



Graba, on the Uria lacrymas, 85. 



Grafting, capacity of, 389; 390. 



Granite, areas of denuded, 324. 



Grasses, varieties of, 103. 



Gray, Dr. Asa, on the variability 

 of oaks, 47. 



, on man not causing varia- 

 bility, 73. 



, on sexes of the holly, 87. 



, on trees of the United 



States, 93. 



, on naturalized plants in the 



United States, 105. 



, on aestivation, 306. 



, on rarity of intermediate va- 

 rieties, 163. 



Gray, on Alpine plants, 390. 

 , Dr. J. E., on striped mule, 



153. 

 Grebe, 169. 

 Grimm, on asexual reproduction, 



456. 

 Groups, aberrant, 446. 

 Grouse, colors of, 78. 



, red. a doubtful species, 45. 



Growth, compensation of, 139. 

 Giinther, Dr., on flat-fish, 222. 



, on prehensile tails, 233. 



, on the fishes of Panama, 



374. 

 , on the range of fresh- water 



fishes, 406. 

 , on the limbs of Lepidosiren, 



470. 



Haast, Dr., on glaciers of New 

 Zealand, 395. 



Habit, effect of, under domes- 

 tication, 10. 



, effect of, under nature, 129. 



Habit, diversified,of same species, 

 167. 



Hackel, Prof., on classification 

 and the lines of descent, 450. 



Hair and teeth, correlated, 137. 



Halitherium, 357. 



Harcourt, Mr. E. V., on the birds 

 of Madeira, 411. 



Hartung, M., on bowlders in the 

 Azores, 388. 



Hazel-nuts, 384. 



Hearne, on habits of bears, 168. 



Heath, changes in vegetation, 66. 



Hector, Dr., on glaciers of New 

 Zealand, 395. 



Heer, Oswald, on ancient culti- 

 vated plants, 16. 



, on plants of Madeira, 98. 



Helianthemum, 207. 



Helix pomatia, 417. 



, resisting salt water, 417. 



Helmholtz, M., on the imperfeo 

 tion of the human eye, 194. 



Helosciadium, 384. 



Hemionus, striped, 154. 



Hensen, Dr., on the eyes of 

 Cephalopods, 180. 



