INDEX 



481 



Caddis-fly larvse inhabiting bro- 



melia leaves, 118 

 Callophis, harmless mimickingpoison- 



ons species, 262 

 Candolle, Alp. de, on variation in 



oaks, 77 

 on variability of Papaver 



bracteatum, 79 

 Cardinalis virginianus, diagram show- 

 ing proportionate numbers 



which vary, 65 ; variations 



of, 58 

 Carpenter, Dr. W. B., on variation in 



the Foraminifera, 43 

 Carriers, 91 

 Caterpillars, resemblance of, to their 



food plants, 203-205 

 inedible, 236 

 Cattle, how they prevent the growth 



of trees, 18 

 increase of, in St. Domingo, 



Mexico, and the pampas, 27 

 Ceylon, spread of Lantana mixta in, 29 

 Chaffinch, change of habit of, in New 



Zealand, 76 

 Chambers, Robert, on origin of species, 



3 

 Chance rarely determines survival, 



123 

 Change of conditions, utility of, 326 

 Characters, non-adaptive, 131 



transferred from useless to use- 

 ful class, 1 32 

 Charaxes psaphon persecuted by a 



bird, 235 

 Chile, numerous red tubular flowers 



in, 320 

 Chimpanzee, figure of, 454 

 Clark, Mr. Edwin, on cause of absence 



of forests on the pampas, 23 

 on the struggle for life in the 



South American valleys, 24 

 Cleistogamous flowers, 322 

 Close interbreeding, supposed evil 



results of, 326 

 Clover, white, spread of, in New 



Zealand, 28 

 Co-adaptation of parts by variation, 



no real difficulty, 418 

 Cobra, use of hood of, 262 



Coccinella mimicked by grasshopper, 



(figure), 260 

 Collingwood, Mr., on butterflies re- 

 cognising their kind, 226 

 Coloration, alluring, 210 



of birds' eggs, 212 



a theory of animal, 288 

 Colour correlated with sterility, 169 



correlated with constitutional 

 peculiarities, 170 



in nature, the problem to be 

 solved, 188 



constancy, in animals indicates 

 utility, 189 



and environment, 190 



general theories of animal, 193 



animal, supposed causes of, 193 



obscure, of many tropical ani- 

 mals, 194 



produced by surrounding ob- 

 jects, 195 



adaptations, local, 199 



for recognition, 217 



of wild animals not quite sym- 

 metrical, 217 (note) 



as influenced by locality or 

 climate, 228 



development in butterflies, 274 



more variable than habits, 278 



and nerve distribution, 290 



and tegumentary appendages, 

 291 



of flowers, 308 



change of, in flowers when fertil- 

 ised, 317 



in nature, concluding remarks 

 on, 299, 333 



of fruits, 304 



of flowers growing together con- 

 trasted, 318 

 Complexity of flowers due to alternate 

 adaptation to insect and self- 

 fertilisation, 328 

 Composite, a, widely dispersed with- 

 out pappus, 367 

 Confinement, affecting fertility, 154 

 Continental and oceanic areas, 346 

 Continents and oceans cannot have 

 changed places, 345 



possible connections between, 

 349 

 Continuity does not prove identity of 

 origin, 463 



2 I 



