INDEX 



545 



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

 of Madeira, 433. 



Hartung, M., on boulders in the 

 Azores, 410. 



Hazel-nuts, 406. _ 



Hearne, on habits of bears, 188. 



Heath, changes in vegetation, 85. 



Hector, Dr., on glaciers of New 

 Zealand, 418. 



Ileer, Oswald, on ancient cultivated 

 plants, 35. 



, on plants of Madeira, 118. 



Helianthemum, 227. 



Helix pomatia, 439. 



, resisting salt water, 439. 



Helmholtz, M., on the imperfection 

 of the human eye, 214. 



Helosciadium, 406. 



Hemionus, striped, 173. 



Henscn, Dr., on the eyes of Cepha- 

 lopods, 200. 



Herbert, W., on struggle for exist- 

 ence, 77. 



, on sterility of hybrids, 302. 



Hermaphrodites crossing, 109, no. 



Heron eating seed, 431. 



Heron, Sir R., on peacocks, 102. 



Heusinger, on white animals poi- 

 soned by certain plants, 30. 



Hewitt, Mr., on sterility of first 

 crosses, 314. 



Hildebrand, Prof., on the self-steril- 

 ity of Corydalis, 302. 



Hilgendorf, on intermediate varie- 

 ties, 346. 



Himalaya, glaciers of, 417. 



■ , plants of, 420. 



Hippeastrum, 302. 



Hippicampus, 245. 



Hofmeister, Prof., on the move- 

 ments of plants, 254. 



Holly-trees, sexes of, 107. 



Hooker, Dr., on trees of New Zea- 

 land, 113. 



, on acclimatisation of Hima- 

 layan trees, 153. 



, on flowers of umbelliferae, 157. 



, on the position of ovules. 



on glaciers of Himalaya, 417, 



224. 



418 



-, on alg.-E of New Zealand, 420. 



, on vegetation at the base of 



the Himalaya, 421. 

 -, on plants of Tierra del Fuego, 



419. 



-, on Australian plants, 420, 441. 



, on relations of flora of Amer- 

 ica, 423. 



, on flora of the Antarctic lands, 



42s. 441. 



— •, on the plants of the Galapagos, 

 434. 440- 



, on glaciers of the Lebanon, 



417. 



, on man not causing variabil- 

 ity, 93- 



Hooker, on plants of mountains of 



Fernando Po, 420. 

 Hooks on palms, 208. 



on seeds, on islands, 435. 



Hopkins, Mr., on denudation, 344. 

 Hornbill, remarkable instinct of, 



296. 

 Horns, rudimentary, 494. 

 Horse, fossil, in La Plata, 369. 

 ; proportions of, when young, 



484. 

 Horses destroyed by flies in Para- 

 guay, 86. 



, striped, 171. 



Horticulturists, selection applied by, 



47. 

 Huber, on cells of bees, 284. 

 — ;— , P., on reason blended with 



instinct, 262. 

 , on habitual nature of instincts, 



263. 



-, on slave-making ants, 277. 

 on Melipona domestica, 281. 



Hudson, Mr., on the Ground-Wood- 

 pecker of La Plata, 188. 



, on the Molothrus, 273, 274. 



Humble-bees, cells of, 280. 



Hunter, J., on secondary sexual 

 characters, 161. 



Hutton, Captain, on crossed geese, 



304- 



Huxley, Prof., on structure of her- 

 maphrodites, 113. 



— — -, on the affinities of the Sirenia, 

 378, 379- 

 -, on forms connecting birds and 



reptiles, 379. 



, on homologous organs, 477. 



on the development of aphis. 



482 

 Hybrids and mongrels compared. 



Hybridism, 298. 

 Hydra, structure of, 194. 

 Hymenoptera, fighting, 102. 

 Hymenopterous insects, diving, 199. 

 Hyoseris, 225. 



Ibla, 159. 



Icebergs transporting seeds, 410. 



Increase, rate of, 79. 



Individuals, numbers favourable to 



selection, 114. 

 , many, whether simultaneously 



created, 402. 

 Inheritance, laws of, 31. 

 , at corresponding ages, 31, 



lOI. 



Insects, colour of, fitted for their 



stations, 100. 



, sea-side, colours of, 146. 



— ■ — , blind, in caves, 149, 150. 



•, luminous, 199. 



, their resemblance to certaitt 



objects, 235. 

 , neuter, 292. 



R— HC XI 



