442 



INDEX. 



Helix pomalia. Hfil. 



Ili'loscmdium, 3.T.J. 



Ilciniomis. eiriix'd, KIO. 



Herhort, W.. on stru£ri.'Io foroxistencc, 70. 



on Picrilitv of hybrids. 2.3(5. 

 ITccior, Dr., on glaciers of New ZcaLind, 



llormaphroditcs cropiiinsr. 98. 

 Ilclix, res>i*tin','t^nlt-\vater, 361. 

 Heron enlin^ seed, .354. 

 Heron, Sir K., on peacockp. 92. 

 Heusinsrer. on white animals poisoned by 



certain plant?, 2(5. 

 Hewitt. Mr., on sterility of first crosses, 



249. 

 Hildcbrand. Prof., on the self-sterility of 



Corvdalis, 2;«. 

 Hilprcndorf, on intermediate varieties, 278. 

 Himalaya, jrlaciors of, 342. 



plants of, .34.1. 

 Hippeastrnm, 2-37. 

 Hollv-trees, sexes of, 9<>. 

 Hooker, Dr.. on trees of New Zealand, 101. 



on acclimatization of Himalayan 

 trees, 144. 



on flowers of umbellifene, 148. 



on placiers of Himalaya, 342. 



on alpc of New Zealand. 34."i. 



on ve^'ctation at the base of the Him- 

 alaya, 3-l(;. 



on plants of Tierra del Fiiecro, 3+1. 



on Australian plants, 31(), .3(1'!. 



on relations of flora of .America, 347. 



on flora of the Antarctic lands, 349, 

 .303. 



on the plants of the Galapagos, 357, 

 302. 



on glacicys of the Lebanon, 342. 



on uinn not causin<r variability, 84. 



on plants of mountains of Fernando 

 Po, 345. 

 Hooks on palms, 192. 



on seeds on islands. 3.-)8. 

 Hopkins, Mr., on denndation, 277. 

 Hiirnbill, remarkable instinct of, 232. 

 Horns, rudimentary. 408. 

 Horse, fcissil, in L.a" Plata, 299. 

 Horses destroyed l)y flies in Paraguay, 78. 



striped. 102. 



projiortions of, ivhen young, .399. 

 Horticulturists, selection "applied by, 42. 

 Huber, on cells of bees, 221. 



P.. on reason blended witli instinct, 

 201. 



on habitual nature of instincts, 202. 



on slnye-makiiig ants, 212. 



on Melipona doniestica, 217. 

 Humble-bees, cells of, 217. 

 Hunter, J., on secondary sexual char- 

 acters, 152. 

 HuKon, Captain, on crossed geese, 239. 

 Huxley, Prof., on stnicture of hermaph- 

 rodites, 102. 



on forms connecting birds and rep- 

 tiles, .308. 



on homologous organs, 394. 



on I lie development of aphis, 398. 

 Hybrids and mongrels compared, 260. 

 Hybridism, 2;«. 



Hydra, slructnre of, 182. 

 Hymenoptera, fighting, 91. 

 Hymenopterous insect, diving, 177. 



Hila, 150. 



Icebergs transporting seeds, 3.35. 

 Increase, rate of, 71. 



Individuals, numbers favorable to se.ec 

 tion, 103. 



many, >vhether simultaneously cre- 

 ated, .329, 

 Inheritance, laws of, 27. 



at corresponding ages. 27. 89. 

 Insects, color of, fitted for habitations, 88. 



sea-side, colors of, 138. 



blind in caves, 142. 



luminous, 185, 



neuter, 226. 

 Instinct, 201. 



not varying simultaneously with 

 strncture, 223, 

 Instincts, domestic, 205. 

 Intercrossing, advantages of, 98. 

 Islands, oceanic, 35.5. 

 Isolation favorable to selection, 104. 



Japan, productions of, 342. 



Java, plants of, .345. 



Jones, Mr. J. M., on the birds of Ber- 

 muda. .357. 



Jourdain, M.. on the eve-spots of star- 

 fishes, 179. 



Jukes, Prof., on subaerial denudation, 

 2<i9. 



Jnssieu, on classification, ,377. 



Kentnckv, caves of. 142. 

 Kercuelen-land, flora of, 349, 3^3. 

 Kidney-bean, acclimatization of, 146. 

 Kidneys of birds. 141. 

 Kirby, on tarsi deficient in beetles, 140. 

 Knight, Andrew, on cause of variation, 



22, 

 KOlreuter, on the barberry, 100. 



on sterility of hybrids. 2.34. 



on reciprocal crosses, 242. 



on crossed varieties of nicotiana, 2.')9. 



on crossing male and hermaphrodite 



flowers, 405. 



Lamarck, on adaptive characters, 383. 

 Laucelet, 12.3. 



eves of, ISO. 

 Land-shells, distribution of. 361. 



of Madeira, naturalized. 305. 



resisting salt-water. 362. 

 Languages, classification of, 380. 

 Lapse, great, of time, 268. 

 Larrip, 396. 



Laurel, nectar secreted by the leaves, 95. 

 Lanrentiau foi-mation. 291. 

 Laws of variation. 137. 

 Leech, varieties of, 81. 

 Leguniinoste, nectar secreted by glands, 



95. 

 Leibnitz's attack on Newton, 430. 

 Lepidosircn, 107. 308. 



limbs in a nascent condition, 406. 



