CONTENTS. Vii 



Pag e 



Nicety as to food in some birds , . .83 



Tongue in birds . . . . . . .83 



Tongue in Man . . . . . . . .84 



Tongue of the Pelican and of the Ostrich . . .86 



Tongue of the Toucan 87 



Tongue of the Woodpecker 89 



Tongue of the Wryneck 91 



Tongue of the Flamingo 95 



Tongue in Ducks 97 



Theory of Analogues . . . . . .98 



Teeth of the Ring Paroquet 99 



Teeth of the Blue Macaw 100 



Teeth in the Shoveller and common Duck . .101 



Filtering mechanism . . . . . .103 



Palate of the Blue Macaw 104 



Mechanism of the mandibles ..... 105 



Bill of the Avoset 106 



Bill of the Shearwater 107 



Bill of the Creeper and of the Tits .... 108 



CHAPTER V. 



TASTE OF GRANIVOROUS EIRDS . . . . ,110 



Grain swallowed whole by birds . . . .110 



Anecdote of Redi . . . . . .Ill 



Crop or craw* in birds . . . . . .111 



Second stomach . . . . . .112 



Gizzard 113 



Diffusion of seeds by birds . . . . ,114 

 Experiments of Spallanzani . . .116 



Gizzard in the Turkey 117 



Action of the gizzard . . . , . .118 

 Other experiments of Spallanzani . . . .119 

 Stones in the gizzard .... 122 

 Opinions of Blumenbach and Hunter . 125 

 Remarks of the Hon. and Rev. W. Herbert . . 126 

 Stomach in the Swan and the Goose . . . 127 



The little Bustard 128 



A4 



