Ae Mieka 
OF THE 
BIRDS OF EASTERN NORTH AMERICA: 
WATER BIRDS. 
ORDER PYGOPODES. 
Diving Birds. 
Suborder PODICIPIDES. Grebes. 
A. O. U. Genus COLYMBUS. Lyn. 
ley.) COLYMBUS HOLBOELLII. (rernu.) Holboell’s Grebe. 
General, North America; breeds north of the United States. 
Supcenus DYTES. Kavr. 
2 (5)  COLYMBUS AURITUS. (LixN.) Horned Grebe. 
‘* Northern Hemisphere ; breeds from northern United States northward.” 
(AG O-nUs) 
3 (4) COLYMBUS NIGRICOLLIS CALIFORNICUS. (Hrrrnu.) American Eared 
Grebe. 
Ranges from Mississippi Valley, westward. Does not occur in the 
Atlantic States. (Illinois, RipGway.) 
Genus PODILYMBUS. Less. 
4 (6) PODILYMBUS PODICEPS. (Linn.) Pied-=billed Greve. 
General, North America; West Indies in winter; breeds throughout range. 
Suborder CEPPHI. Loons and Auks. 
FAMILY GAVIIDAE. Loons. 
Genus GAVIA. Forster. 
Cn ae) GAVIA IMBER. (GuNN.) Loon. 
Northern part of Northern Hemisphere ; south in winter to Gulf of Mexico. 
(325) 
