306 



SINGING BIRDS— OSCINES. 



Genus PERISOREUS, RnxAPARTE. 



Perisoreus, Bonafakte, Saggio di una (list. met. 1831. (Type Corvus Canadensis ?) 

 Dysonuthia, Swainson, Fauna Bor. Amcr. II. 1831, 495. (Same type.) 



Gex. Cn.\R. Feathers kx and full, especially on the back, and of very dull colors, 

 without any blue. Head without distinct crest. Bill very short ; broader than high. 

 Cukuen scarcely half the length of the head ; straight to near the tip, then slightly 



P, Canadensis 



curved ; gonys more curved than culmen. Bill notched at tip. Nostrils round, covered 

 by bristly feathers. Tail alxnit ecjual to the wings ; graduated. Tarsi rather short ; but 

 little longer than the middle toe. 



p. Canadensis. 



