xvi LIST OF ILLUSTRATIONS 



PAGE 



PLATE 71. Inedible caterpillars, showing warning coloration. (In color) 



J-'ollowing 132 

 PLATK 72. A. (iila monster (Hclodenna). />'. Skunk (Mephitis nicphitica') 



following 132 



Fu;. 37. Salamander (Salainandra inaciilosii) . . 133 



PLATK 73. Inedible curculios and lady-beetles imitated by edible longicorn 



beetles and grasshoppers . . . . Following 134 



PLATK 74. Several species of flies and the bees and wasps which they 



imitate Following 134 



PLATE 75. A. Aggressive coloration in a spider (Misn/nt'/iu I'titiii). 

 />' and (,'. Tree-hoppers " which imitate leaf-cutting ants 

 with their bits of leaves. (In color) . . . I-'ollowing 136 

 Fid. 38. A spider which imitates an ant ....... 137 



FIG. 39. Spiders which mimic ants . . . . . . . .138 



PLATK 76. Edible butterflies which mimic inedible Danaidc? and AcracidiT. 



(In color) ........ l^ollowing 138 



PLATK 77. Convergence in warning coloration, and mimicry among butterflies. 



(In color) ........ FoUtnving 138 



Pi. AH. 78. Caterpillars which assume "terrifying attitudes" when startled. 



(In color) ........ Following 138 



Fid. 40. Caterpillar of the large elephant hawk-moth . . . .140 



Fid. 41. A moth (Sinerinthus ocellata) in " terrifying attitude " . . 142 

 I 'i \TK 79. Mimicry in snakes ....... Following 142 



Fid. 42. A*nioth from India (Attains atlas} at the tips of whose wings 



are markings resembling those upon the head of a cobra . 143 

 I'I.ATK 80. A ''honey-sucker 1 ' or "friar-bird" which is imitated by an oriole 



Following 1 44 



Fid. 43. " Cottontail " rabbit, showing white patch under tail . . . 146 

 I'l \TK Si. Antelope showing danger signal" . . . .Following 146 



I'I.ATK 82. "Recognition marks" in: A. Killdeer or ring-necked plover. 



/'. Xighthawk ....... Following 146 



PLATK 83. Confusing coloration in butterflies, moths, and grasshoppers. (In 



color) ......... Following 146 



Pi.vri-: 84. Sexual coloration and mimicry in butterflies and moths. (In 



color) ......... F'ollowing 150 



Pi. ATI-: 85. Sexual coloration and protective coloration in spiders. (In color) 



Following 150 

 !'i \TK S6. Diagrams of various flowers to show the arrangement of their 



parts Following 152 



Fid. 44. Fertili/atioii in the rock-rose (Hclianthcininn niarifolinin) . .152 

 Plants whose pollen is carried by wind. A. New Jersey scrub 



pine. />. Fescue-grass ..... Following 152 



I i'.. 45. A bee. showing hairs on the head, body, and legs to which pollen 



grains are clinging 154 



Partridge-berry (MitJiclla} . . . .Following 156 



The fertili/ation of an orchid by a wasp ..." 156 



Flowers of Aristolochia sipho and Or this inilitaris . " 156 



