460 



INDEX' 



Climbing Plants, Darwin's work on, 

 i. 259 ; ii. 341-3, 348 ; circumnuta- 

 tion of, ii". 345, 363, 374; F. 

 Muller's work on, ii. 345, 350 



Clivia, Scott's work on, ii. 311 



Clodd's memoir of Bates, i. 197 



Close species, absence of intermediate 

 forms between, i. 367, 368 ; definition 

 of, i. 420 : Asa Gray on, i. 421 ; in 

 warm temperate lands of N. and S. 

 hemispheres, i. 439 ; relation to flora 

 of N. America, i. 421 



Clover, i. 449 ; relation between bees 

 and, i. 493 ; ii. 255, 256, 285, 286 



Club, dinner at Linnean, i. 185 ; 

 Philosophical, i. 131, 135 _ 



Coal, Darwin on origin of, i. 63, 64 ; 

 ii. 217-20 ; Lesquereux on the flora 

 of, i. 260 ; marine marshes and 

 plants of, i. 151 ; ii. 217, 218; ash 

 of, ii. 219 



Coal period, higher percentage of C0 2 

 during, ii. 20, 21 



Coast-lines, parallelism with lines of 

 volcanoes, ii. 142 



Cobbe, Miss, article in Theological 

 Review on Descent of Man, i. 329 



Cockburn Island, boulders from, i. 407 



Cochin hen, experiments on, i. 224 



Coelogyne, fertilisation mechanism, ii. 

 258 



Coffea arabica, seeds with two em- 

 bryos, ii. 365 



Cohn, F., notice in Corhhitt of his 

 botanical work, i. 216 



Coldstream, Dr., i. 409 



Colenso, on Maori races of New Zea- 

 land, i. 313 



Coleoptera, apterous form of Madeira, 

 ii. 67 ; colonisation of ants' nests by, 

 ii. 11 



Colias edusa, wings of, ii. 67 



Collecting, Darwin's early taste for, 



i- 3 

 Collier, Hon. J., Art primer by, i. 398, 



399; letter to, i. 398. 399; portrait 



of Darwin by, i. 399 



Collingwood, Dr., on mimetic forms, i. 



183, 197 



Colonies, Barrande's, i. 83 

 Colonisation, conditions of, i. 379 

 Coloration. Walsh on unity of, i. 261 

 Colour, butterflies attracted by, i, 348 ; 

 mimicry in butterflies by means of, 

 i. 266; ii. 68, 86; of dioecious 

 flowers, i. 354, 355 , and fertilisation 

 of flowers, i. 138 ; in grouse, and 

 Natural Selection, i. 143 ; in bitds, 

 ii. 57, 58, 60, 6i, 67, 68, 71-5, 78, 

 79, 85 ; in male birds, not simply due 



to Natural Selection, ii. 72-5, 78 ; 

 Dawin's work on, ii. 60, 61 ; Darwin 

 differs from Wallace in views on, ii. 

 84 ; evolution of, ii. 59 ; experiments 

 on birds, ii. 58, 59 ; Hackel on lower 

 animals and, ii. 62 ; Krause on, ii. 

 47 ; Magnus on. ii. 47 ; protection 

 and, ii. 85 ; relation to sex, ii. 86 ; 

 in seeds and fruits, ii. 348 ; and 

 Sexual Selection, ii. 57-9, 72-8, 86-8, 

 96 ; sense of, in children, ii. 47 ; 

 Wallace on, ii. 72-4, 84, 92, 93 



Columba aenas, habits of, i. 167 ; C. 

 Hvia, descent of pigeons from, i. 

 168 ; ii. 382 



Combretum, ii. 342 



Combs, bees', i. 180 (see also Bees). 



Comparative anatomy, Huxley's book 

 on, i. 246 



Compensation, belief of botanists in. i. 



5 6 

 Compiler, Darwin's opinion of a, i. 95, 



444 

 Compositse, Harvey on, i. 163 ; Masters' 

 reference to, i. 147; monstrosities in, 

 i. 148 : morphological characters, i. 

 2 73 ? "• 374) 3/6 ; Schleiden on, i. 

 77 ; Darwin on crossing, ii. 254 ; 

 fertilisation mechanism, ii. 258; 

 Hildebrand on dispersal of seeds, 

 ii. 387 ; viscid threads of seeds, ii. 



374 



Comte, i. 192 ; Huxley on, i. 313, 382 



Concepcion Island, geology of, i. 22, 

 23 ; Darwin's account of earthquake, 

 ii. 114 



Conchodcrma, in reference to nomen- 

 clature, i. 69 



Concretions, origin of, ii. 206 



Conditions of life, effect on animals and 

 plants, i. 198, 299, 406 ; effect on 

 elephants, i. 207 ; effect on repro- 

 ductive system, i. 218 ; hybrids and. 

 i. 290, 292 ; importance in maintain- 

 ing number of species, i. 297 ; species 

 and changes in, i. 293 ; and sterility, 

 i. 137 ; variability depends more on 

 nature of organisms than on, i. 377 ! 



Conferva? and sexuality, i. 190 



Coniferce, abundant in humid temperate 

 regions, i. 492 



Connecting links, i. 82, 83 ; Gaudry 

 on, ii. 236 



Conscience, Morley on Darwin's treat- 

 ment of, i. 327, 328 



Conspectus crustaccoriim, Dana's, ii. 228 



Constancy, in abnormally developed 

 organs, i. 353 



Contemporaneity, Darwin on, ii. 232, 



2 jj 



