INDEX OF SUBJECTS 



349 



CHR 



Chrysalides, concealment of, 51, 

 52 ; Variable Protective Resem- 

 blance in, 111-142; supposed to 

 be photographically sensitive, 

 118, 119 ; on the meaning of the 

 metallic appearance of, 133-139, 

 177 



Chrysomda populi, Warning 

 Colours of, 177 



Cilix spinula, Protective Resem- 

 blance of, 57 ; of cocoon of, 76 



Cinnabar Moth, see Euchelia 

 jacohcecB 



Clcora lichenaria, larva of, 35, 36, 

 40,41 



Clothes moths, cases of larvae, 76 



Clouded YellowButterfiy, see Colias 

 edusa 



Clytus arietis, Mimicry of, 249, 250 



Cobra, terrifying appearance of, 

 163 ; as model for Mimicry, 259 



Coccinella, Warning Colours of, 

 177 ; concealed in winter, 180 



Cockroach, means of defence of, 161 



Cocoons, protective value of, 51, 

 52 ; adventitious protection of, 

 76 ; Variable Protective Resem- 

 blance in the colours of, 142-146 



Coenonympha pamphihis, eye-like 

 spot on wing of, attractive to 

 lizard, 207 



Cold-blooded animals, 18, 100 



Coleoptera, Warning Colours in, 

 177, 178 ; mimicking Hymeno- 

 ptera, 249, 250, 252 ; as models 

 for Mimicry, 251, 252 



Colias edusa, dimorphism in, 49 ; 

 wings of, seized by enemies, 205, 

 206 ; female more beautiful than 

 male, 292 ; var. helice, 315 



— hyale, 315 



Colours due to absorption, 1-3 ; due 

 to thin plates, 6-9 ; due to diffrac- 

 tion, 9, 10 ; due to refraction, 10, 

 11 ; of direct physiological vahie, 

 15-19 ; destroyed by natural 

 selection, 14 ; use in retaining or 

 absorbing heat, 16-19 ; produced 



by courtship, 21, 22, 284-285; of 

 animals classified, 22 ; of many 

 uses on a single animal, 22 ; 

 changed to correspond with 

 changes in the environment, 42- 

 46 ; believed to be due to excess of 

 vitality or to underlying struc- 

 tures, 322-325 ; criticisms upon, 

 325-330 



Combination of many methods of 

 defence, 269-283 



Common Dagger Moth, 315 



— garden white butterflies, see 

 Pieris brassicce and P. rajycB 



' Complexion,' depends upon the 

 blood, 13, 324 



Conditions under which Protective 

 Mimicry occurs, 231 



Convolvulus Hawk Moth, dimor- 

 phism in larva of, 47, 48 ; ex- 

 periments on colours of larva of, 

 157 



Corals, probable use of colour of, 16 



Coral snakes, Warning Colours of, 

 163 ; as models for Mimicry, 265 



Corycia tenierata, probable Mimi- 

 cry of, 244 



Cossus, 58 



Courtship, colours produced by, 

 21, 22, 284-335; decided by 

 wager of battle, 309; colours dis- 

 played in, concealed at other 

 times, 311 ; beauty of colours dis- 

 played in, unnecessary for recog- 

 nition, 316, 317 ; development of 

 patterns displayed in, 334 



Crabs, habit of fixing seaweed, 

 &c., on the body, 78, 79 ; asso- 

 ciated with sea-anemones, 202,203 



Crickets, Mimicry of, 252 ; mimick- 

 ing tiger-beetles, 266 ; mimicking 

 sand-wasps, 266 



Crimson Underwing Moths, a use 

 of hind wings of, 206 



Crocallis elinguaria, experiments 

 on colours of larvae of, 150 note 



Croesus septentrionalis, defensive 

 glands of larva of, 171, 172 



