INDEX OF SUBJECTS 



357 



EEC 



Kecognition Markings, 210-215, 

 337, 338 ; in mammals, 211, 212 ; 

 in birds, 212, 213 ; in insects, 

 213-215; principle of, believed to 

 account for sexual colours, 314 



Red Admiral Butterfly, 54 ; mean- 

 ing of colours of pupa of, 138 



Red-backed Shrike, nest and eggs 

 of, 65 



Red Underwing Moth, a use of hind 

 wings of, 206 



Regent bird, habits of, 320 



Reptiles, Protective Resemblances 

 in, 60 ; Variable Protective Re- 

 semblance in, 84 ; Warning 

 Colours in, 163, 164 



Rumia cratccgata, larva of, 31, 33 ; 

 experiments on colours of cocoon 

 of, 146, 156 ; experiments on 

 colours of larva of, 151, 152, 156 



Ruminants, Recognition characters 

 in, 212 



Rupture-wort, effect of cessation of 

 insect agency upon, 318 



OAITIS PULEX, courtship of, 



^ 298, 299 



Salaviandra maculosa, probable 

 Warning Colours of, 165 



Sallow Kitten, 315 



Sand Wasps as models for Mimi- 

 cry, 266 



Satin Bower-bird, habits of, 320 



— Moth, as model for Mimicry, 

 241-243 



Saturnia carpini, colour of larva, 

 18 ; experiments on colours 

 of cocoon of, 142, 143 ; court- 

 ship of, 288, 289 ; courtship 

 in captivity, 289 ; recent de- 

 generation of female, 294, 295 



Saw-flies, defensive glands of larvae 

 of, 171, 172 



Scaphura, Mimicry of, 266 



Sea-anemones, Warning Colours 

 of, 166 ; tentacles of, distasteful 

 to fish, 200 ; associated with 

 crabs, 202, 203 



SMA 



Sea Horse, Australian, Protective 



Resemblance of, 67, 68 

 Sea-urchins covered with pebbles, 



&c., 77 

 Seasonal Dimorphism, 49-50 

 Selenia ilbmaria, larva of, 29, 33 

 Sematic Colours, 336, 337, 338 

 Sesia hombylifonnis, Mimicry of, 



246 



— fusiforynis, Mimicry of, 246 

 Sexual Colours, 21, 22, 284-335; 



relation to Warning Colours, 

 189-196 ; only developed in 

 species which court by day, 331 ; 

 only developed on visible parts 

 of the body, 332 ; placed so as 

 to be best seen by the female, 

 332-334 



— Selection, 21, 22 ; theory of, 

 284-287 ; completely subordinate 

 to Natural Selection, 285, 307- 

 313 ; only explanation of colours 

 displayed in courtship, 329, 330 



Shark Moths, 58 



Shells, cause of iridescence, 10 



Shrimps and prawns much sought 

 after by fish, 204 



Signalling Colours, 336, 337, 338 



Significant colours, 15-22 



Silver-washed Fritillary, dimor- 

 phism of female, 49 ; experi- 

 ments on colours of pupa of, 

 141 



Skunk, Warning Colours of, 161, 

 162 ; white tail of, compared 

 with that of rabbit, 211, 212 



Skylark, young of, possibly killed 

 by hairs of ' Palmer Worm,' 172 



Small Eggar Moth, experiments on 

 colours of cocoon of, 144-146 



— Emerald Moth, larva of, 29 



— Garden White Butterfly, see 

 Pieris rapcn 



— Heath Butterfly, eye-like spot 

 on wing of, attractive to lizard, 

 207 



— Tortoiseshell Butterfly, see 

 Vanessa urticcB 



