INDEX OF SUBJECTS 



359 



SYN 



Syneniosyna foi'viica, Mimicry of, 

 257 



TAU EMPEROR MOTH, Mimicry 

 of larva of, 2C3, 264 ; courtship 

 of, when wild and in captivity, 

 289 

 Telephorus, Wnivmng Colours of, 177 

 TerebellidcB, sand-tube of, 78 ; 



Warning Colours in, 201 

 TJiecla, apparent head at wrong 

 end of body, 207, 208 



— larbas, apparent head at wrong 

 end of, 208 



— W-albuvi, apparent head at 

 wrong end of, 208 



Tiger, marks on head believed to 

 be related to surface of brain, 323 



Tiger-beetle, as model for Mimicry, 

 252, 266 



Trachinusvipera, Warning Colours 

 of, 165, 166 



Tree Frog, power of changing 

 colour, 83 ; change of colour 

 protective and aggressive, 109 ; 

 eats ladybird when hungry, 180 



TricJiGiitera, 77 



Tropidoiwtus natrix, 60 



Trout, colour of, varies according to 

 the surroundings, 82 ; incapable 

 of changing colour when blind, 

 86 ; explanation of blackness 

 when blind, 89, 90 ; changes of 

 colour essentially protective, 87 ; 

 food of, when blind, 87, 88 



Tryphana, wings of, seized by 

 enemies, 206 



— pronuba, 56 

 Turbot, colour of, 68 



' Tussocks,' defensive value of, 



196-198 

 Tussock Moth, see Orgyia pudi- 



himda 



TTR OPTER YX SA BIB U- 



^ CATA, larva of, 27 ; Variable 

 Protective Resemblance in pupa 

 of, 111, 112; cocoon of, 112 



VAR 



1/^ACCINIUM, collected by 



Gardener Bower-bird, 322 

 Vanessa, metallic pupte of, 9 



— atalanta,54: ; meaning of colours 

 of pupa of, 138 



— lo, 54 ; suspension of pupa of, 

 112 ; experiments on colours of 

 pupa of, 119, 120, 142; meaning 

 of colours of pupa of, 137, 138 ; 

 warning habits of larva of, 171 



— polychloros, suspension of pupa 

 of, 112 ; colours of pupa of, 114 ; 

 experiments on colours of pupa 

 of, 141, 142 



— urticcB, 54 ; dark colour of larvae, 

 18 ; suspension of pupa, 112 ; ex- 

 periments on colours of pupa of, 

 117, 120-132, 141, 142, 145, 148 ; 

 determination of susceptible 

 period, 124-127 ; and of suscep- 

 tible part, 128-132 ; meaning of 

 colours of pupa of, 138, 139 ; 

 warning habits of larva of, 171 



Vapourer Moth, defensive ' tussocks' 

 of larva of, 197, 198 ; degenera- 

 tion of female, 295 



Variable Protective and Aggressive 

 Resemblance, 26 



Resemblance, 26, 81-158; in 



Vertebrata, 81-106; in fishes, 

 82, 83 ; in Amphibia, 83 ; in 

 reptiles, 84 ; rapid changes de- 

 pending upon the eye, 84, 85; 

 absent .in blind vertebrate ani- 

 mals, 85, 86 ; essentially pro- 

 tective, 87 ; absent in chama^leon 

 before death, 88, 89 ; in northern 

 mammals, 92-104 ; in Hudson's 

 Bay Lemming, 94, 95 ; in Ameri- 

 can Hare, 95-99 ; physical and 

 physiological explanation of, in 

 arctic mammals, 9(^-101 ; vary- 

 ing in different districts, 101, 

 102 ; lost in certain mammals, 

 102, 103; biological value, 103; 

 104 ; in birds, 104-106 ; in cer- 

 tain invertebrates, 107, 108 ; 

 Protective and Aggressive, 109 ; 



