398 



INDEX. 



HUXLEY. 



Species, : ii. 231 j on von Bar's views, 

 ii. 329. 



Huxley, Prof. T. H., letters to : ii. 172 ; 

 on his adoption of the theory, ii. 232 ; 

 on the idea of creation, ii. 251 ; on 

 the review in the Times, ii. 253 ; on 

 authorities on cross-breeding, ii. 280 j 

 on the discussion at Oxford, ii. 324 ; 

 on the views of von Bar, Agassiz, 

 and Wagner, ii. 330 ; on the third 

 edition of the ' Origin,' ii. 351 ; on 

 the effect of reviews, ii. 354 ; on his 

 Edinburgh lectures, and on hybri- 

 dism, ii. 384 ; suggesting a popular 

 treatise on Zoology, iii. 3 ; on the 

 Copley Medal, iii. 28 ; on his reply 

 to Kolliker, iii. 29 ; on pangenesis, 

 iii. 43, 44, 45 ; on his address to the 

 Geological Society, 1869, iii. 113; 

 on rudimentary organs, iii. 119; on 

 his review of Mivart's ' Genesis of 

 Species,' iii. 148, 149; on the pre- 

 paration of a new edition of the 

 'Descent of Man,' iii. 175; on 

 spiritualism, iii. 187 ; on * the com- 

 ing of age of the Origin of Species,' 

 iii. 240 ; on ' Science and Culture,' 

 iii. 251. 



, last letter to, iii. 358. 



Huxley's 'Man's place in Nature,' 

 review of, in the Athenaum, iii. 

 14. 



Hyatt, Prof. A., letter to, on errors in 

 the sixth edition of the ' Origin,' iii. 



154- 

 , on acceleration and retardation 



of development, iii. 154, 233 ; on 



Hilgendorf's fossil fresh- water mol- 



lusca, iii. 232. 

 Hybridisation, analogy of, with some 



forms of fertilisation of heterostyled 



plants, iii. 296. 

 Hybridism, ii. I IO ; Asa Gray on, ii. 



272. 



Hybridity, iii. 302. 

 Hybrids, ii. 384 ; sterility of, ii. 96. 

 from the common and Chinese 



goose, fertility of, iii. 240. 

 Hydropathic establishments, visits to, 



i. 131. 



treatment, i. 8 1, 85. 



Hypothesis and Theory, ii. 286. 



INSECTS. 

 ICE, boulders transported by floating, 



paper on, i. 302. 

 Icebergs, stranding of, on the Azores 



ii. 112. 

 Ichneumonidae, and their function, ii. 



312. 

 Idiots, microcephalous, examples of, 



iii. 163. 



Idleness a sign of ill-health, i. 127. 

 Ilkley, residence at, in 1859, ii. 205 ; 



water-cure at, ii. 171, 175. 

 Illegitimacy of remarkable men, iii. 



99- 



Ill-health, i. 69, 80, 81, 85, 107, 284, 

 299-302, 350, 352-163 ; iii. i, 

 27. 



Imitation, protective, iii. 15 1. 



Immortality of the Soul, i. 312. 



Implements, stone, in Biddenham 

 gravel pits, ii. 364. 



Improvement, principle of, ii. 176. 



Incipient structures, iii. 152. 



Indian Ocean, former continental ex- 

 tension in the southern, ii. 74. 



Indian plants invading Australia, ii. 

 287. 



Individual differences and single varia- 

 tions, relative importance of, iii. 107, 

 109. 



Infant, biographical sketch of an, iii. 



233- 



Infra-homo, ii. 227. 



Infusoria, Secondary, ii. 210. 



Inheritance of sexual characters, iii. 

 123. 



Innes, Rev. J. Brodie, i. 122, 143. 



on Darwin's position with 



regard to theological views, ii. 288 ; 

 note on the review in the * Quar- 

 terly ' and Darwin's appreciation 

 of it, ii. 325 note-, anecdote illus- 

 trative of Mr. Darwin's extreme 

 conscientiousness, iii. 53 ; letter 

 to, on the 'Descent of Man,' iii. 

 140. 



' Insectivorous Plants,' work on the, 

 iii. 181 ; publication of, i. 96 j iii. 

 328. 



Insects, i. 35 ; absence of, in small 

 islands, ii. 30 ; agency of, in cross- 

 fertilisation, iii. 258 ; blind, in caves, 

 ii. 265 ; * bloom ' sometimes a protec- 



