INDEX 



461 



Continental elevation, volcanic erup- 



tions and, ii. 113, 135 

 Continental extension, Darwin on, i. 



234, 427 ; ii. 135 ; evidence in favour 



of, i. 475 ; Hooker on, i. 93, 480, 



485-7; Lyell on, i. 90, 91, 426, 427 ; 



and means of distribution, i. 461 ; 



New Zealand and, i. 418 

 Continental forms, versus insular, i. 



481 

 Continents, inhabitants of islands and, i. 



241, 242 ; movements of ,i. 90-3, 463 ; 



Wallace on sinking imaginary, ii. 12 

 Controversy, Darwin's hatred and 



avoidance of, i. 396 ; ii. 119 

 Convallaria majalis, in Virginia, i. 433 

 Convolvulus, supposed dimorphism of, 



Cooling of crust, disagreement among 

 physicists as to rate, ii. 5, 7 



Cope, E. D., biographical note, i. 338 ; 

 style of, i. 344 ; and Hyatt, theories 



^ of, i. 338-48 



Copley medal, Darwin and the, i. 247, 

 258 ; ii. 338 ; Falconer, and Darwin's, 

 i. 252-7 ; Lindley considered for 

 the, i. 88 ; awarded to Lyell, i. So, 

 113; ii. 231 ; awarded to Bunsen, ii. 

 231 ; Darwin describes letter from 

 Hooker as a, ii. 338 



Coquimbo, Darwin visits, i. 25 ; up- 

 raised shells, i. 384 



Coral islands, and subsidence, i. 134 ; 

 ii. 195 ; plants of, i. 483 



Coral reefs, Darwin's work on, i. 254 ; 

 ii. 193-8 ; Bonney's edition of 

 Darwin's book on, ii. 147 ; A. Agassiz 

 on, ii. 147 ; Dana on, ii. 226, 227 : 

 fossil, ii. 194, 197 ; Murray on, ii. 

 197, 198 ; conditions of life of polyps, 

 ii. 195 ; solution by CO., of. ii. 198 

 subsidence of, ii. 195 



Coral tree, ii. 41 1 (see Erythrina) 



Corallines, nature of, i. 16 



Cordiacese, dimorphism in, ii. 349 



Cordilleras, i. 18, 20, 21, 25, 26 ; glaciers 

 of, i. 476 ; ii. 153, 162 ; high-road for 

 plants, i. 405 ; plants of, i. 478 ; 

 birds of, ii. 159 ; comparison between 

 Glen Roy and terraces of, ii. 152 ; 

 Darwin on earth-movements of. ii. 

 124, 141 ; Forbes on, ii. 144 ; sub- 

 marine lava-streams, ii. 136 ; volcanic 

 activity and elevation, ii. 135, 221- 



222 



Coronilla, Lord Farrer on, ii. 388. 



39^-394 5 C. emerus, ii. 393 ; C. 



varia, ii. 392, 393 

 Coryanthes, ' ' beats everything in or- 



chids," ii. 339 



Corydalis, Hildebrand shows falsity of 

 idea of self-fertilisation of, ii. 372 ; 

 C. cava, Hildebrand on self-sterility 

 of, ii. 347 ; C. daviculata, tendrils 

 of, i. 259 ; ii. 343 ; C. tiiberosa, pos- 

 sible case of reversion in floral struc- 

 ture, ii. 334, 335 



Cottage Gardener, Darwin offers reward 

 for Hyacinth grafts, i. 276 



Cotyledons, Darwin's* experiments on, 

 ii. 414-5 



Counterbalance, Watson on divergent 

 variation and, i. 286 



Cowslips, Primroses and, i. 252, 296, 

 420; ii. 324; Darwin's experiments 

 on artificial fertilisation, ii. 311; 

 homomorphic seedlings, ii. 316 ; loss 

 of dimorphism, ii. 327, 328 



Craig Dhu, shelves of, ii. 193 



Craters, in Galapagos Island, ii. 129 ; of 

 denudation, Lyell on, ii. 125, 127, 128, 

 137; of elevation, ii. 116; Darwin 

 on, ii. 124 



Crawford, J., i. 89 



Creation, acts of, i. 154, 173, 312; 

 doctrine of, i. 172 ; of species as eggs, 

 i. 163; Owen on, i. 178; Romanes 

 on individual, i. 370 



Creation-by-variation, doctrine of, i. 



135 

 Creed of Science, Graham's, ii. 171 



Cresy. E., i. 33 ; letters to, i. 58 ; ii. 



268 

 Cretaceous flora, Heer on Arctic, ii. 



239 



Crick, W. D., letter to, ii. 28-9 



Crinum, crossing experiments on, i. 

 219 ; C. passiflora, fertility of, ii. 309 



Crocker, W. work on hollyhocks, i. 

 218 ; ii. 261 



Croll, J., biographical note, ii. 161 ; 

 Darwin on his theory, ii. 158, 211 ; 

 on icebergs as grinding agents, ii. 

 161 ; letters to, ii. 161-4, 2II > 2I2 ' 

 Lyell on his theory, ii. 158; on sub- 

 aerial denudation, ii. 212; on time, 

 ii. 211 



Crookes, Sir W., on spiritualism, ii. 443 



Cross and Self-fertilisation, Darwin's 

 book on, i. 349, 361 



Cross-fertilisation, Darwin's experi- 

 ments on self- and, ii. 352, 372, 373, 

 384, 406 ; check to endless varia- 

 bility, ii. 314 ; Darwin states that as 

 a rule flowers described as adapted 

 to self-fertilisation are really adapted 

 to, ii. 372 ; of inconspicuous flowers, 

 ii. 414 ; all plants require occasional, 

 ii. 344 ; small advantages when con- 

 fined to same plant, ii. 386 



