LIST OF ILLUSTRATIVE FIGURES. 



PLATES. 



I. Skeleton of the Golden Eagle, Aquila Chrysaetus. 

 II. Wing of the Domestic Pigeon, Columba Livia. 

 III. Bones and Muscles of the Wing of the Domestic Pigeon. 

 IV. Digestive Organs of the Peregrine Falcon, Falco peregrinus. 

 V. Digestive Organs of the Snowy Owl, Syrnia Nyctea. 

 VI. Digestive Organs of the Brown Ptarmigan, Lagopus scoticus. 

 VII. Digestive Organs of the Rock Dove, Columba Livia. 

 VIII. Digestive Organs of the House Sparrow, Passer domesticus ; Corn 

 Bunting, Emberiza Miliaria ; Green Linnet, Linaria Chloris ; 

 European Crossbill, Loxia europsea ; and Field Lark, Alauda 

 arvensis. 

 IX. Digestive Organs of the Carrion Crow, Corvus Corone ; Jay, Garrulus 

 Glandarius ; and Starling, Sturnus guttatus. 



Of these plates the first five, having reference to the Introduction, are 

 placed immediately after it, at p. 96 ; the rest being illustrative of the Orders, 

 are placed at p. 624. The figure in PL I. is one fourth of the natural size ; 

 those in the other plates are generally one half. 



WOOD CUTS. 



Fig. 1. Skull of the Raven, Corvus Corax, viewed laterally, page 21 



2. Skull of the Raven, viewed from beneath, - - 23 



3. Two ribs of the Golden Eagle, Aquila Chrysaetus, - 26 



4. Sternal apparatus of the Golden Eagle, - - 27 



5. Tail of a Thrush, Turdus musicus, with muscles, - 45 



6. Muscles on the lower surface of the tail of a Thrush, 46 



7. Brain of a Sparrow, Passer domesticus, from above, - 48 



8. Brain of a Sparrow, from behind, - - - 48 



9. Brain of a Sparrow, from beneath, - - 48 

 10- Eyeball of an Owl, viewed laterally, - - - 50 



11. Eyeball of an Owl, in front, - - - 50 



12. Head of a Thrush, - - - - 50 



13. External ear of a Thrush, - _ . 50 



14. Aperture of the glottis of a Thrush, - - 50 



15. Tongue of a Thrush, - - - 50 



