LIST OF ILLUSTRATIONS xix 



FACING PAGE 



Boa Constrictor 257 



Boa Constrictor resting on branch . . . . . . 257 



Head of Boa Constrictor . . . . . .258 



Adder about to strike 259 



Adder pursuing prey 259 



Great Bustard ......... 276 



Ruff challenging in mating season . . . .276 



Head of Cassowary . . . . . . . .277 



Cassowary * 277 



Great Auk .......... 284 



Cape Penguin . . . . . . . . 284 



Pelican 285 



Dark-bodied Pelican 285 



Cormorant nesting . . 285 



Young Lapwing or Peewit 292 



Avocets .......... 292 



Night Heron 293 



Golden-crested Crane . . . . . . . 293 



Spoonbill 298 



Black-necked Swan 298 



King Vulture . . 299 



Griffon Vulture . . . ^ r . . . . 299 



Golden Eagle . . . . . . . . 304 



Harpy Eagle 304 



Australian Fawn-breasted Kingfisher ..... 305 



The Great Hornbill 305 



Barn Owl 320 



Little Owl 320 



Duck-billed Platypus .321 



Kangaroo 321 



African Elephant . . . . . . . . 348 



Zebra 348 



Rhinoceros 349 



Tapir 349 



Hippopotamus . 356 



