xii ILLUSTRATIONS 



FACING PAGE 



Chimpanzee ......... 52 



Greenfinch and Young — Bunting and Young . . 54 

 Young Willow-wrens — ^Young Pigeon ... 56 



Water-rail removing her Eggs — Bearded Tit and Young 58 

 Tree-pipit removing F^ces from Nest .... 72 



Pelican feeding Young — Flamingoes feeding each other 78 

 Cormorant feeding Young ...... 80 



Emperor Penguin brooding its Young .... 86 



Stone Curlew, brooding, distressed by Heat — Young 



Black-caps distressed by Heat .... 92 



Nestling Cassowary — Nestling Emu . . . -98 

 Young Cereopsis Goose — Young Ostrich — Young Razor- 

 bill ......... 100 



Snipe Chicks — Young Snipe on the Back of the Mother 104 

 Young Kingfishers ....... 106 



Nestling Common Tern — Nestling Ringed Plover . 108 

 Nestling Bearded Tit, and Gouldian Finch, showing 



Mouth Ornaments . . . . . .112 



Nestling Short-eared Owls — Nestling Great Crested 



Grebes . . . . . . . . .114 



Young Hawfinches — Young Sparrow-hawks . . .116 

 Young Stone Curlews — ^Young Partridges . . . 124 

 TaiI of Archsiopteryx — Tail OF Tawny Eagle . .136 

 The Palatal Bones of Birds ..... 140 



Young Barn-Owl — Young Tawny Owl . . . 152 

 Wing of the Cassowary . . . . . .154 



Young Turtles ........ 160 



Young Caimans emerging from the Egg — Blue-tongUed 



Lizard and Young ...... 170 



Skeleton of the Green Turtle — Skeleton of the Leathery 



Turtle ......... 176 



Stages in the Development of the Frog . . .182 



