CHECK-LIST. 
OrDER PYGOPODES. Divine Birps. 
SUBORDER COLYMBI. GREBEs. 
Famity COLYMBIDA. GREBEsS. 
Genus ASCHMOPHORUS Cours. 
Aichmophorus Cours, Proc. Acad. Nat. Sci. Phila., 1862, 229. Type, 
by orig. desig., Podiceps occidentalis LAWRENCE. 
ichm6phorus occidentalis (LAWRENCE). Western Grebe. [1.] 
Podiceps occidentalis LAWRENCE, in Bairp, Rep. Expl. & Surv. R. R. 
Pac., LX, 1858, 894. (Fort Steilacoom, Washington.) 
RaNnGE.— Western North America. Breeds from British Columbia, 
southern Saskatchewan, and southern Manitoba south to northern 
California, Utah, and northern North Dakota; winters from southern 
British Columbia south through California to central Mexico (Jalisco) ; 
casual east to Nebraska, Kansas, Wisconsin, Minnesota, and Quebec. 
GENUS COLYMBUS Linn vs. 
Colymbus Linnzxus, Syst. Nat., ed. 10, I, 1758, 135. Type, by subs. 
desig., Colymbus cristatus Linnazus (A. O. U. Comm., 1886). 
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