882 



U. S. p. E, E. EXP. AND SUEVEYS — ZOOLOGY — GENEEAL EEPOET. 



Three adult specimens of this handsome species are in the collection. 



The hill is slender, smooth on the culmen and sides ; the feathers of the wings and back are 

 ■without the dark margins so characteristic of most of the species. 



Bonaparte makes bicristatus, Pall., to he the same as the ahove species, whereas Gray puts 

 iicristatus, Pall., as the synonym to P. urile, Gmelin. 



List of specimens. 



