ANALYTICAL INDEX 



411 



Cleonus sulcirostris, 307. 



Climate (see also external 

 causes) : J. C. Prichard on adaptation 

 of human races to, 191 ; an ex- 

 planation why human races may not 

 be changed by, 192 ; on the influence 

 of, 187-92 ; hypothesis that mimicry 

 is caused by food, &c, and, 224 ; 

 influence of, on attacks of birds on 

 butterflies, 286. 



Close, Rev. M. H., on the age of 

 the earth, 12 n. I. 



Clytinae, as mimics of Hymeno- 

 ptera, 238, 251, 252, 348, 363; as 

 models for other Longicorns in 

 Borneo and Ceylon, 348, 349. 



Clyhcs arietis, 238, 251, 252, 348, 



363- 



Coal, insects of, 35-8. 



coarctata, Hyas, combined allo- 

 procryptic, allanticryptic, and 

 pseudepisematic colouring of, 314. 



Cobra, cryptic and aposematic 

 defence of, 324 ; intimidating attitude 

 of, 324, 325 ; advantage of intimida- 

 tion of, 324, 325. 



Cobra-like and other snakes 

 mimicked by caterpillars, 319, 326, 

 367, 367 n. 2, 368, 376. 



Coccystes caffer, 283. 



Cockroaches, in early Palaeozoic, 

 30 ; of Commentry Carboniferous, 



36, 37- 



Cocoon, Instinct of form- 

 ing, V. 157-60. 



Cocoon, formed prior to experience, 

 and Lamarckian interpretation there- 

 fore excluded, 117, 118, 157-60, 164, 

 164 n. 2 ; probably reasons for decline 

 of, 148 ; advantage of decline of, 148, 

 149 ; cryptic colouring of, in times of 

 stress, 148; colour adjustment of, in 

 Halias prasinana, 149 ; concealed 

 on bark, 158, 159. 



Coelentera, in relation to classifica- 

 tion and evolution, 25, 26, 28, 30, 31. 



Coelomata, in relation to classifica- 

 tion and evolution, 25-8, 30, 31, 41, 



43- 



Coenonympha pamphilus, 210. 



coerulescens, Microhierax, captur- 

 ing Papilio sarpedon, 290 ; butter- 

 flies' wings, &c, in nests of, 290, 291. 



Co-Existence of Palatable 

 Food implied by Aposematic 

 Defence, X. 317. 



Coincidence between colours 



and Environment probably 

 caused by Local Natural Selec- 

 tion, X. 307, 308 : see also 308, 309, 



309 n. 1, 310 n. 1. 



Colaenis, 'stink glands ' of, 334 n. 2. 



Colaenis telesiphe, 334 n. 2. 



Cold, see external causes ; effect of, 

 on Hudson's Bay Lemming, 310. 



Coleoptera, see beetles. 



Colias edusa, 301. 



Coloration marquante et 

 Taches ocellees, 1897, C. Portschin- 

 ski, 254, 369. 



Colour adjustment, see Adjustable 

 Protective Resemblance. 



Colour, danger of inferring discon- 

 tinuity from changes in, xvii. 



Colours of animals classified, 226 ; 

 sexual selection of bright, 379. 



Colours of Animals, E. B. Poul- 

 ton, 4, 150 n. 2, 210, 223, 226, 281, 

 326, 344, 367 n. 2. 



Colours of Animals : I, Bionom- 

 ics, Encycl. Brit., E. B. Poulton, 



293- 



Colours probably Adjusted 

 to Environment by Local 

 Natural Selection, X. 307, 308 : 

 see also 308, 309, 309 n. 1, 310, 



310 n. 1. 



Colours, Value of Bright, 

 Concealed during Rest, X. 303, 

 304 : see also 325. 



Columba palumbus, 83, 84. 



Comb-making instinct, 164. 



Combination of procryptic and 

 mimetic colouring, chief examples of, 

 in butterflies (Protogonius and Elym- 

 niinae), 350-4 : see also 324, 368. 



' Combination ' or ' association ', 

 use of, contrasted with ' group ', 293. 



Comma butterfly, 203-5. 



Commentry, fossil insects of, 

 35-8. 



Common goose fertile with 

 Chinese, 83. 



Common or Syncryptic Pro- 

 tective Resemblance, X. 312: 

 see also 359. 



Common Warning Colours, 

 Natural Selection the Cause 

 of Mimicry and (Theories of 

 Mimicry), Essay VIII, 220-70. See 

 also Essay IX, Mimicry and 

 Natural Selection, 271-92. 



Common Warning or Synapo- 

 sematic Colours (Mullerian 



