354 



THE COLOURS OF ANIMALS 



Mimicry of Spliecia detected by, 

 247, 248 ; frightened by Cha;ro- 

 canipa, 261 ; pursued by snakes, 

 261, 262 ; affected by formic acid 

 of Cerura, 275 ; affected by 

 terrifying attitude of Stauropus, 

 281 

 Lobster Moth, see Stauropus fagi 

 Lophius piscatoriuSy lure of, 73 



MAGPIE, eggs of, 61 

 Magpie Motli, Warning 

 Colours of larva of, 168, 169; 

 of pupa of, 174, 186 ; of imago 

 of, 174, 175 

 Maia, 78 



Mammalia, Protective Resemblance 

 among, 67; seasonal change of 

 colour of, 92-104 ; physical cause 

 of winter change of colour of, 

 98, 99 ; physiological causes of 

 change of colour, 99-101 ; Warn- 

 ing Colours in, 161,162; Recogni- 

 tion Markings in, 211, 212 

 Mantidce, Aggressive Resemblance 

 in, 72, 74, 75 ; do not attack 

 Acrcea, &c., 229 ; exceptions to 

 this, 230 ; Aggressive Mimicry 

 of, 266 

 Marmoset, rejects hairy larvae, 173 ; 

 taste of Satin Moth repugnant 

 to, 241-243 ; terrified by larva of 

 Cerura vinula, 273 ; affected by 

 formic acid, 275 ; terrified by 

 larva of Stauropusfagi, 280, 281 

 Meadow Brown Butterfly, female 



more beautiful than male, 292 

 Mechanitis lysimnia. Warning 



Colour of pupa of, 177 

 Meinbracidce, ant mimicked by 



species of, 252, 253 owte 

 Mephitis suffocans. Warning 



Colours of, 161, 162 

 Metallic appearance of chrysalides, 

 cause of, 9; produced experi- 

 mentally, 121, 122 ; meaning of, 

 133-139; as a Warning Colour, 

 177 



ORG 



Milk, cause of whiteness, 6 

 Miller Moth, larva of, 43-45 

 Mites, refuse to eat nauseous in- 

 sects, 181 

 Mocha Moths, dimorphism in, 46 ; 



experiments on pupa of, 139 

 Monkeys, HeliconidcB refused by, 



228, 229 

 Mother-of-pearl, cause of colours, 



10 

 MorphidcB, as models for Mimicry, 



233, 234, 239 

 Mullein Moth, origin of Warning 



Colours of larva of, 187, 188 

 Muslin Moth, probable Mimicry of, 



240 



NATURAL selection and the 

 theory of Mimicry, 216-220, 

 230, 231, 253-255, 264, 265, 282, 

 283 



Neniatus curtispina, larva of, 39, 

 40 



NoctucB, experiments on colours of 

 larvae of, 150-153 ; transparent 

 larvae of, coloured by their food, 

 79 



Non-significant colours, 12-14 



Nudibranchiate gastropods, de- 

 fensive dorsal papillee of, 199,200 



OAK Eggar, irritating hairs of 

 larva of, 173 



Odezia chcBropUyllata, 18 



Odonestis potatoria, irritating 

 hairs of larva of, 173 



Opliideres, larva of, mimicking 

 snake, 263 



Opisthobranch gastropods, de- 

 fensive papillffi of, 200 



Orgyia pudibunda, defensive 

 glands of larva of, 171 ; defensive 

 ' tussocks ' of larva of, 197, 198, 

 199, 200 



— antiqna, defensive 'tussocks ' of 

 larva of, 197, 198 ; degeneration 

 of female of, 295 



