534 



SCKATCHING BIRDS — GALLINiE. 



We give above a figure of the head of the P. pliasiandlvti to ilhistrate 

 the supposed diflerences between this race and P. Columbianus. 



(5Exrs CENTROCERCUS, Swaixson. 



Centrurercus, SwAINSON, F. I3or. Amer. II. 18.'!1, 49G. (Type, Trlniu uropliasiainis, BoNA- 

 PAnxii.) 



(iKN. CiiAR. Tail excessively lengthened, enneate, longer than the wings, the feathers 

 all lanceolate. Tarsi feathered to the joint and between the bases of the toes. Lower 



C itronhn^inint^. 



