CONTENTS 



CHAPTER PAGE 



I. THE PHYSICAL CAUSE OF AKIMAL COLOURS ... 1 



II. THE USES OF COLOUR 12 



III. PROTECTIVE KESEMBLANCES IN LEPIDOPTEBA ... 24 



IV. PROTECTIVE RESEMBLANCES IN LEPIDOPTERA (continued) 



DIMORPHISM, ETC 42 



V. PROTECTIVE RESEMBLANCES IN VERTEBRATA, ETC. . . 60 



VI. AGGRESSIVE RESEMBLANCES ADVENTITIOUS PROTECTION 72 

 VII. VARIABLE PROTECTIVE RESEMBLANCE IN VERTEBRATA, 



ETC 81 



VIII. VARIABLE PROTECTIVE RESEMBLANCE IN INSECTS . . 110 

 IX. VARIABLE PROTECTIVE RESEMBLANCE m INSECTS (con- 

 tinued) 133 



X. WARNING COLOURS 159 



XI. WARNING COLOURS (continued) 189 



XII. PROTECTIVE MIMICRY 216 



XIII. PROTECTIVE AND AGGRESSIVE MIMICRY .... 245 



XIV. THE COMBINATION OF MANY METHODS OF DEFENCE . 269 

 XV. COLOURS PRODUCED BY COURTSHIP . . . . 284 



XVI. OTHER THEORIES OF SEXUAL COLOURING . . . 314 



XVII. SUMMARY AND CLASSIFICATION 336 



