INDEX 



459 



Charlock, germination of old seeds, ii. 



245 

 Chatham Island, Darwin's collection of 



plants from, i. 402 ; Travers on, i. 



475 

 Checks, use of artificial, ii, 50 



Chemotaxis, foreshadowed by Carter, 



343 

 Chiasognathus Grantii, i. 17 



Childhood, Charles Darwin's, i, 1-5 



Children, Darwin on, i. 202 ; experi- 

 ment on emotions of, i. 287 ; colour- 

 sense, ii. 47 ; coloured compared 

 with white, ii. 55 ; comparison 

 between those of educated and un- 

 educated parents, ii. 55 ; expression, 

 ii. 108 ; development of mind, ii. 54 ; 

 intelligence of monkeys and, ii. 49 



Chili, elevation of coast, i. 18 ; ii, 135, 

 144 ; geology of, i. 21, 27 ; plants 

 common to New Zealand and, i. 

 426 ; Carabus of. ii. 159 ; Darwin on 

 earthquakes and terraces in, ii. 113, 

 114, 119 



Chillingham cattle, Darwin and Hind- 

 marsh on, i. 187,188 



Chiloe, description of, i. 17 ; forests, 

 i. 42 ; geology, i. 22, 23, 476 ; plants 

 on mountains, i. 400 ; boulders, ii. 

 149 



China, expedition to, i. 155 



Chinese, explanation of affinities with 

 Mexicans, i. 467 



Chips from a German Workshop, Max 

 Midler's, ii. 45 



Chloeon dimidiatum^ Lord Avebury on, 

 i. 232, 331 



Chlorite, segregation of, ii. 204 20^ 



Chlorophyll, Darwin's work on action 

 of carbonate of ammonia on, ii. 370 



Chonos Islands, Darwin's collections of 

 plants from, i. 40, 400 ; Darwin's 

 account of, i. 20 ; geology of, ii. 208 ; 

 potato, i. 25 



Christy, H., i. 470 



Christy, Miller, on oxlip, ii. 372 



Chrysosplenium oppositifolium, i. 431 



Chtharnalus, in the chalk, i. 97 



Cicada, experiments on eggs, ii. 89 ; 

 Muller on rivalry of, ii. 82 ; Walsh 

 on, ii. 89 ; C. septendecim, Sharp's 

 account of, ii. 89 



Cinchona. Hooker on different rates of 

 growth in seedlings, ii. 296 



Circumnutation, F. Miiller's observa- 

 tions on, ii. 345, 363 



Cirripedes : see Barnacles 



Cistus, hybridism of, ii. 285 



Citrus, unequal cotyledons, ii. 365 ; 

 polyembryonic seeds, ii. 365 



Civilisation, effect on savages, ii. 46, 47 



Claparede, convert to Darwin's views, 

 i. 259 ; and Mdlle. Royer, ii. 288 



Clapperton's Scientific Meliorism, letter 

 of Gaskell in, ii. 49 



Clark, on classification of sponges, i. 335 



Clark, Sir James, biographical note, 

 ii. 184 ; on Glen Roy, ii. 184 



Clarke, VV. B., Wreck of the Favourite > 

 ii. 2 



Clarkia, two kinds of stamens, ii. 299 ; 

 C- elegans, ii. 301 



Classification, Bentham on, i. 184 ; 

 Cuvier on, i. 284 ; Dana on mamma- 

 lian, i. 236 ; Darwin on, i. 140 ; ii. 

 220, 379 ; Darwin and Huxley on, 

 i. 104, 105, 220 ; genealogy and, i. 

 284 ; value of reproductive organs in, 



" 379 

 Clay-slate, metamorphism of, ii, 209 



Cleavage and foliation, ii. 199-210 ; 

 Darwin on his work on, ii. 200-1 ; his- 

 tory of work on, ii. 199 ; parallelism 

 of foliation and, ii. 204, 208 ; relation 

 to stratification, ii. 200, 202, 206, 

 208 ; relation to rock-curves, ii. 208 ; 

 Rogers on, ii. 201 ; Sedgwick on, 

 ii. 200 ; uniformity of foliation and, 

 ii. 203 ; result of chemical action 

 ii. 202 ; metamorphic schists, ii. 207 ; 

 lines of incipient tearing form planes 

 of, ii. 202 ; Tyndall on Sorby's ob- 

 servations, ii. 200 



Cleistogamic flowers, fertilisation, ii. 

 317 ; of grass, ii. 362 ; of Oxalis and 

 Viola, ii. 308 ; pollen of, ii. 300, 308 ; 

 comparison with Termites, ii. 360 



Clematis, Darwin's error in work on, 

 ii, 330 ; Darwin's experiments on, 

 irritability, ii. 341, 342 



Clematis glandulosa, identified at Down 

 by power of feeling, ii. 330 



Cleodora, specific differences in, i. 74 



Clethra, absence in Azores, i. 484 ; 

 remnant of Tertiary Flora, i. 481 



Clianthus, ii. 255 



Clift, W., on fossil bones from Aus- 

 tralia, i. 133 ; Owen assistant to, 



i-59 

 Climate, changes in, i. 456 ; ii, 140, 



157; effect on species, i. 42; effect 

 on species of birds, i. 356, 357 ; mi- 

 gration of organisms and change in, 

 i. 453 ; relation to distribution and 

 structure of plants, i. 198, 380 ; 

 ii. 251 ; extinct mammals as evi- 

 dence of change in, i. 457 ; and 

 sexual differentiation, i. 357 ; varia- 

 tion and, i. 198 ; Lyell on former, 

 ii. 157 ; mild Miocene, ii. 22 



