xiv List of Illustrations. 



PAGE 



FIG. 90. Transformation of Strombus 202 



.91. Pigeons. Drawn from life 298 



92. Pigeons (continued). Drawn from life . . . . 299 



93. Fowls. Drawn from life 300 



94. Fowls (continued). Drawn from life .... 301 



95. Pair of Japanese Fowls, long-tailed breed ... 302 



96. Canaries. Drawn from life . . . ' . . . 303 



97. Sebastopol, or Frizzled Goose ..... 304 



98. The Dingo, or wild dog of Australia .... 304 



99. Dogs. Drawn from life ...... 305 



100. Dogs (continued). Drawn from life .... 306 



101. The Hairless Dog of Japan 307 



102. The skull of a Bull-dog compared with that of a Deer- 



hound ......... 307 



103. Rabbits. Drawn from life 308 



104. Horses. Drawn from life 309 



105. Sheep. Drawn from life ...... 310 



106. Cattle. Drawn from i if e 311 



107. Wild Boar contrasted with a modern Domesticated Pig . 312 



108. Seasonal changes of colour in Ptarmigan {Lagopus mutus) 31 7 



109. CEdicntmus crepitans, showing the instinntive attitude of 



concealment 320 



no. Imitative forms and colours in insects .... 322 



111. The larva of Puss Moth ( Centra vinuld) . . . 325 



112. The larva of Puss Moth in disturbed attitude . . 326 



113. Three cases of mimicry . 328 



114. Two further cases of mimicry ; flies resembling a wasp in 



the one and a bee in the other 329 



1 1 5. A case of mimicry where a non-venomous spedes of snake 



resembles a venomous one 330 



1 1 6. A case of mimicry where a homopterous resembles a leaf- 



cutting ant 332 



117. Feather-footed pigeon ....... 359 



1 1 8. Raia radiata 368 



1 1 9. Electric organ of the Skate 369 



1 20. Electric cells of Raia radiata 370 



121. The Garden Bower-bird (Amblyornis inornatd) . . 382 



122. Courtship of Spiders 388 



123. Courtship of Spiders (continued} 389 



124. The Bell- bird (Chasmorhynchus niveus) . . . 396 



125. C. tricar unculatus 397 



