Chalmers Mitchell, 



Trans, Linn. Soc. Zool Ser. 2 Vol ViH. Pi 21. 





mfr'". 



Falco \ 



'^^' „ 



Vullun*:!'^ 



" ■ ■■■, / f-^'^-. 



Tachybaptes : ^^^ 



Colyjfitus 



Pela rgo ■Cotehbimorphme 

 Meiacentre 



PC M del 



Arch'ecentre 

 Palamedea Rautffi 



INTESTINAL TRACT OF BIRDS 

 PELARGO-COLYMBIMORPHINE BRIGADE. 



