INDEX 



477 



misrepresented by Owen, i. 153 ; 

 founds Natural History Review, i. 

 157; obituary notice of Darwin, i. 37, 

 38 ; on the Origin of Species, i. 119; 

 on Owen's archetype book, i. 246 ; 

 president of the British Assoc. meet- 

 ing at Liverpool (1870), i. 322 ; on 

 Priestley, i. 398 ; quoted by Lord 

 Kelvin as an unbeliever in spontane- 

 ous generation, i. 329 ; reviews by, 

 i. 280, 313, 333; review of Vestiges 

 of Creation by, i. 75 ; on Sa- 

 bine's address, i. 255, 256 ; on 

 saltus, i. 198 ; prefatory note to 

 Hackel's Freedom in Science and 

 Teaching, i. 383 ; address to Geo- 

 logical Society (1869), ii. 7 ; on 

 classification of man, ii. 36 ; on con- 

 temporaneity, ii. 233 ; on Catasetum 

 ii. 341 ; on deep-sea soundings, ii. 

 232 ; legacy from A. Rich, ii. 445, 

 446; on Lyell's Principles, ii. 118; 

 on use of term physiological species, 

 ii. 271 ; on vivisection, ii. 435 ; 

 and H. N. Martin, Elementary 

 Biology by, i. 362 ; mentioned, i. 



453 ; 348, 353. 3735 



Huxley, Mrs. T. H., queries on ex- 

 pression sent by Darwin to, i. 287 ; 

 observations on child crying, ii. 40 ; 

 mentioned, i. 178, 216 



Hyacinth, experiment on bulbs, i. 276 



Hyatt, A., biographical note, i. 338 ; 

 and Hilgendorf. i. 358 ; letters to, i. 

 33 8 . 339. 341-4. 346-8, 393 ; letters 

 to Darwin from, i. 339-41, 344-6 ; 

 on tetrabranchiata, i. 339 



Hyatt and Cope, theories of, i. 338-48 



Hybridism, chapter in Origin on, i. 

 130, 131, 274 ; Bentham's address 

 on, ii. 339, 340 ; treatment by Dar- 

 win in Variation of Animals and 

 Plants, ii. 340 



Hybrids, and adaptation, i. 292 ; Dar- 

 win's views on, i. 94, 222 ; evidence 

 in favour of pangenesis from, i. 280 ; 

 experiments on, i. 224 ; ii. 301, 360 ; 

 fertility of, i. 128, 290 ; intermediate 

 character of, i. 362 ; primrose and 

 cowslip, i. 296 ; article in Quarterly 

 Review on, i. 364 ; sterility of, i. 230, 

 231, 287-9, .291-3, 295-9 ; Max 

 Wichura on, i. 261 ; ii. 157 ; Bronn 

 on, ii. 223 ; F. Muller's work on, ii. 

 360 ; and heterostyled plants, ii. 415 ; 

 rarity ol natural, ii. 285 ; J. Scott's 

 work on, ii. 311, 312; tendency to 

 reversion, ii. 340 



Hydra, sexuality of, i. 190 



Hydropathy, Darwin and, i. 102, 126 



Hydrozoa, alternation of generations in, 



i. 262 

 Hymenoptera, affinities of, i. 101 ; H. 



Miiller on, ii. 96 

 Hypericum perforation, a social plant 



in U.S.A., i. 432 

 Hyracotherium cunictilus, Owen on, i, 



206 



IBERIS, mucus in seeds of, ii. 387 



Ice, as agent in dispersal of boulders, 

 i. 64 ; agent in dispersal of plants, i. 

 54-116, 438 ; Forbes on transport by, 

 i. 461 ; agent in lake-formation, ii. 

 154, 155 ; cleavage in, ii. 202 ; work 

 of, a new factor in geology, ii. 149 



Ice-action, ii. 148-93 ; on land and sea, 

 ii. 190 



Icebergs, as factor in explaining Euro- 

 pean plants in Azores, i. 427 ; Croll 

 on action of, ii. 161, 162 ; Darwin 

 on, ii. 153 ; evidence in S. America 

 of, ii. 164, 165 ; Hopkins on action 

 of, ii. 154 



Ice-cap, of Arctic regions, ii. 163 



Iceland, importance of records of vol- 

 canic phenomena in, ii. 115 



Ignorance, Darwin on immensity of 

 man's, i, 394 



Ilkley, Darwin's visit to, i. 454 



Illegitimate offspring, need for repe- 

 tition of Darwin's experiments on 

 plants', ii. 353 



Imatophylliim, ii. 319 



Immortality, Darwin on, ii. 445 



Immutability of species, i. 187, 234 ; 

 Falconer disbelieves in, i. 206, 207 ; 

 Darwin on, ii. 236 



Imperfection of the Geological Record : 

 see Geological Record 



Impotence in plants, i. 303 ; ii. 314, 

 315 : see also Self-sterility 



India, British rule in, i. 67 ; flora of, i. 

 86 ; Hooker in, i. 62-5 ; varieties of 

 domestic animals in, i. 67 ; H. F. 

 Blanford on, ii. 15 ; Darwin on 

 origin of lakes in, ii. 155 ; evidence 

 of colder climate in, ii. 152, 153 ; 

 J. Scott accepts post in, ii. 331 



Infants, Mrs. E. Talbot on develop- 

 ment of mind in, ii. 54 ; observations 

 on ears of, ii. 53, 54 



Infusoria, possible occurrence in under- 

 clays of coal, ii. 219 



Inglis, Sir R., Darwin at breakfast 

 party, i. 79 



Inheritance, atavism and, i. 217 ; con- 

 servative tendency of long, i. 353 ; 

 Hackel on, i. 335 ; hypothesis on, i. 

 285 ; Jager on. i. 371 ; and Natural 



