476 



INDEX 



pangenesis, i. 301 ; on plants of Fer- 

 nando Po and Abyssinia, i. 477; ii- 5 > 

 on preservation of tropical plants 

 during cool period, i. 479 ; and re- 

 views, i. 152 ; royal medal awarded 

 to, i. 79; and J. Scott, i. 217; 

 ii. 322, 330, 331 ; on species, i. 437 ; 

 on Torbitt's potato experiments, 

 i- 373 > on use °f terms centripetal 

 and centrifugal, i. 128 ; on varia- 

 tion in large and small genera, i. 379 ; 

 on Welwitschia, i. 213 ; on Cameroon 

 plants, ii. 6 ; Darwin on his address 

 at Belfast (1874), ii. 402 ; Darwin 

 writes testimonial for, ii. 247 ; Darwin 

 values scientific opinion of, ii. 284 ; 

 Darwin receives encouragement from, 

 ii. 285 ; Darwin's pleasure at visits 

 from, ii. 4 ; on Glacial period, 

 ii. 157 ; on Glacial deposits in India, 

 ii. 152 ; on glaciers in Yorkshire, 

 ii. 156 ; notice in Gardeners' Chroni- 

 cle on, ii. 152; photograph by Mrs. 

 Cameron, ii. 376, 377 ; Primer of 

 Botany by, ii. 390; review of Darwin's 

 Fertilisation of Orchids, ii. 290, 291 ; 

 scheme for Flora, ii. 375 ; represents 

 " whole great public " to Darwin, 

 ii. 339 ; use of structure in plants, 

 ii. 380; visits Down, ii. 89, 120, 

 354 ; opinion of Fiir Darwin, ii, 357 ; 

 mentioned, i. 148; ii. 317, 321, 326, 

 362, 373, 408, 411, 4I5-4I7 

 Hooker, Sir W. J., biographical note, 

 ii. 242 ; Herbarium at Kew belonging 

 to, i. 110 ; ii. 242 ; letters to, ii. 242, 

 243, 247; mentioned, i. 79, 421 ; 



ii. 33° 



Hopkins, W., biographical note, ii. 



138 ; article in Frasers Magazine, i. 

 153, 159; on elevation and earth- 

 quakes, ii. 133 ; on mountain-build- 

 ing, ii. 121, 138 ; researches in 

 physical geology, ii. 136, 201 ; men- 

 tioned, i. 156 ; ii. 230 



Horner, L., biographical note, ii. 1 15 ; 

 letters to, i. 132 ; ii. 30, 31, 1 15-17, 

 174-7, 220-22, 224 ; memoirs of, i. 

 53; ii. 31, 115, 175 ; address to 

 Geological Society, ii. 30 ; on coal, 

 ii. 217 ; on Darwin's Geological Obser- 

 vations, ii. 220, 224 ; visits Down, 

 ii. 175 ; mentioned, i. 84 



Horner, Mrs. L., ii. 117, 175, 224 



Horse, ancestry, i. 147 ; ii. 18 ; Arab- 

 Turk and English race-, i. 221 ; 

 hybrids between Quagga and, i. 319, 

 320 ; in N. and S. America, ii. 1 8 ; 

 equality of sexes in race-, ii. 42 



Horsfall, W.. letter to, i. 398 



Hottonia, dimorphism of, ii. 310 



Hounds, gestation of, i. 154, 155 



Howard, L. O., i. 249 



Hoya carnosa, Darwin's work on, ii. 407 



Humble-bees, as agents of fertilisation 

 of orchids, ii. 339 



Humboldt, Bates' description of tropi- 

 cal forests compared with that by, i. 

 243 ; conversation with, i. 42 ; on 

 heath regions, i. 51 ; on migration 

 and double creation, i. 407 ; Personal 

 Narrative, i. 263 ; on violet of 

 Teneriffe, i. 494 ; Darwin's opinion 

 of, ii. 26 ; on elevation and vol. 

 canic activity, ii. 114; mentioned, 

 ii. 206 



Humboldt and Webb, on Zones on 

 Teneriffe, i. 492 



Hume. Darwin on Huxley's Life of, 



i. 381 

 Humming-birds, agents of fertilisation, 



»• 357- 383 



Hunger, expression by sheldrakes of, 

 ii. 103 



Husbands, resemblance between wives 

 and, i. 320 



Hutton, F. W., letter to, i. 183, 184 ; 

 review of Origin, i. 183, 184, 193 



Hutton, James, author of Theory of 

 the Earth, ii. 149 



Huxley, L., reference to his Life of 

 T. H. Huxley, i. 371 ; ii. 435 ; in- 

 formation given by, i. 226 



Huxley, Prof T. H.. biographical note, 

 i. 71, 72 ; article in Annals and 

 Magazine in reply to Falconer, i. 89 ; 

 on Aphis, i. 102 ; on automatism, i. 

 398 ; catalogue of collections in 

 Museum of Practical Geology, i. 104 ; 

 comparative anatomy by, i. 246 ; on 

 Comte, i. 313 ; on Cuvier's classifica- 

 tion, i. 284 ; Darwin's value of his 

 opinion, i. 287 ; election to the 

 Athenaeum, i. 89, 90 ; friendship 

 with Darwin, i. 71, 72 ; on growth 

 of Darwin's views, i. 37, 38 ; lectures 

 at the R. Institution, i. 139, 140, 147; 

 lectures on evolution by, i. 129-31 ; 

 lectures to working men, i. 215, 216, 

 220, 225, 226, 229-31, 247 ; legacy 

 and gift to, i. 72 ; letters to, i. 72-5, 

 80-2. 97, 98, 102-5, 1 10-13, I2 4, I2 5> 

 I29-3 1 . !35-9- 145-7. 156-9. 166, 167, 

 177, 178, 215-17, 225, 226, 229-32, 

 237-9, 242, 243, 246, 247, 274, 277, 

 281, 283, 284, 287, 362, 371, 372, 

 381-3, 386-8, 460-1 ; ii. 40, 232-4, 

 341, 442, 443, 445, 446; Life of 

 Hume, i. 381, 382; Mans Place in 

 Nature, i. 204, 237 ; marriage, i. 82 ; 



