INDEX OF SUBJECTS 



347 



ANT 



Ants as models for Mimicry, 245, 



252, 253, 255-257, 268 

 Apatetic Colours, 336, 338 

 A'patura iris, pupa of, 37, 38 

 Aposematic Colours, 337, 338 

 Arachnida, see Spielers 

 Archidoris tiiberculata, probable 



changes of colour in, 108 

 Arctia caja. Warning Colours of 



imagines of, 175 ; defence in 



other stages, 175 

 Arctic animals, use of whiteness in 



checking radiation, 17-19 



— Fox, winter change of colour 

 of, 101, 103, 104 



— Hare, occasional change of 

 colour in summer, 103 



Argus Pheasant, courtship of, 



306, 307; evolution of sexual 



markings of, 334 

 Argynnis ])aphia, dimorphism of 



female of, 49 ; experiments on 



colours of pupa of, 141 

 Ascidians, Warning Colours of, 166 

 Asilidce, do not attack Helicoiiidce, 



228 

 Aspilates gilvaria, larva of, 34 

 * Assembling ' of male moths, 291, 



292 

 Asthena candidata as a probable 



model for Mimicry, 244 

 Astia vittata, courtship of, 302, 303 

 Attidcs, courtship of, 297-303 ; 



battle between males of, 310 

 August Thorn Moth, larva of, 43 



BAEK AND LICHEN, resem^ 

 blance to, 34-36 

 Bee Hawk Moths, Mimicry of, 246 

 Bees, sting of, remembered by 



chameleon, 199 ; as models for 



Mimicry, 245, 248, 249, 267 

 Beetles, see Coleoptera 

 Beetles' wings, cause of iridescent 



colours, 8, 9 

 Birds, Protective Eesemblance in, 



00, 61 ; Warning Colours in, 



BRI 



162 ; Sexual Selection in, 162 

 rubbing off hairs of larva, 173 

 eat ladybirds when hungry, 180 

 refusing to eat conspicuous 

 caterpillars, 168, 169, 181 ; 

 power of picking wings off 

 insects, 183 ; liable to seize 

 butterflies by the wings, 205- 

 209 ; Eecognition Markings 

 in, 212, 213 ; do not attack 

 HeliconidcB, cfec, 228 ; frightened 

 by ChcBrocampa, 260 ; as models 

 for Mimicry, 265; Mimicry of, 

 265 ; said to devour larva of 

 Ceriira vinula, 273 



Birds' eggs, colours and markings 

 of, 61-67 ; white when concealed 

 or defended from enemies, 62- 

 64 ; ancestral colour of, 62, 63 ; 

 Eecognition Markings in, 212, 

 213 



Birds of Paradise, well adapted to 

 their conditions, 311 ; supposed 

 explanation of tufts of, 325 



Black Arches Moth, Protective 

 Eesemblance of, 35 



Blood, transparent in certain fishes, 

 14, 15 ; red colour of, made use 

 of in ' complexion,' 13, 324 



Boarmia rhomhoidaria, experi- 

 ments on colours of larva of, 

 150 note 



— roboraria^ experiments on 

 colours of larvae of, 150 note 



Bombi, as models for Aggressive 

 Mimicry, 267 



Bomhus lajyidarijis, as model for 

 Aggressive Mimicry, 267 



Bomhus rnuscoriini, as model for 

 Aggressive Mimicry, 267 



Bombyces, degeneration of females 

 of, 294-297 



Bomhyx cynthia, dimorphism in, 

 48 ; no choice exercised by 

 captive females, 287, 288 



Bower-birds, habits of, as evidence 

 for assthetic sense, 320-322 



Brimstone Moth, larva of, 31, 33 ; 



