THE 



CLASS AVES 



ARRAXGED BY THE 



BARON CUVIER, 



SPECIFIC DESCRIPTIONS 



EDWARD GRIFFITH, F.L.S., A.S., S^x. 



AXD 



EDWARD PIDGEON, Esq. 



THE ADDITIOXAL SPECIES INSERTED IN THE TEXT OF CUVIER 



BY 



JOHN EDWARD GRAY, Esq., F.G.S., 8fc. 



VOLUME THE FIRST. 



LONDON 



PRINTED FOR WHITTAKER, TREACHER, AND CO. 

 AVE-MARIA-LANE. 



MDCCCXXIX. 



