CHECK-LIST. 



Order PYGOPODES. Diving Birds. 



Suborder PODICIPEDES. Grebes. 

 Family FODICIFID^. Grebes. 



Genus ^CHMOFHORUS Coues. 



^chmophorus Coues, Pr. Ac. Nat. Sci. Phila. April, 1862, 229. 

 Type, Podiceps occidentalis Lawr. 



1. .aichmophorus occidentalis (Lawr.). 



Western Grebe. 



Podiceps occidentalis Lawr. in Baird's B. N. Am. 1858, 894. 

 ^chmophorus occidentalis Coues, Pr. Ac. Nat. Sci. Phila. 1862, 

 229. 



[B 704, C 608, R 729, C 845.] 

 Geographic Distribution. — Western North America, eastward 

 to Manitoba, south to central Mexico. 



Genus COLYMBUS Linn^us. 



Colymbus Linn. S. N. ed. 10, I. 1758, 135. Type, by elimination, 

 Colymbus cristatus Linn. 



Subgenus COLYMBUS. 



2. Colymbus holboellii (Reinh.). 



HolboelPs Grebe. 



Podiceps holboellii Reinh. Vid. Med. 1853, 76. 



Colymbus holboellii Ridgw. Water B. N. Am. II. 1884, 428. 



