xii ILLUSTRATIONS 



FACING PAGE 



Chimpanzee ....... . • 5^ 



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 FjEces 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 Ha wtinches — Young Sparrow-hawks . . .116 

 Young Stone Curlews— Young Partridges . . 124 



Tai!l of ArchjEopteryx — 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 



