13 



LIST OF BIRDS FOUND WITHIN FIFTY MILES OF 

 NEW YOEK CITY. 



Order PYGOPODES. Diving Birds. 



Family PODICIPID^E. GREBES. 



1. Colymbus.holboellii (Reinh.}. HOLBCELL'S GREBE. (2.) 

 Breeds from Manitoba northward ; in winter migrates southward 

 as far as South Carolina. With us it is a rather uncommon spring 

 and fall migrant and less common winter resident. 



2. Colymbus auritus (Linn.}. HORNED GREBE. (3.) Breeds 

 from the northern United States northward and winters southward 

 to Florida. It is here a common spring and fall migrant and not 

 uncommon winter resident. 



*3. Podilymbus podiceps (Linn.}. PIED-BILLED GREBE ; DIE- 

 DAPPER; DABCHICK; HELL-DIVER. (6.) Ranges from the Argentine 

 Republic northward to Great Slave Lake, breeding locally through- 

 out its range. In the vicinity of New York it occurs chiefly as a 

 migrant. In northern New Jersey and the Lower Hudson Valley 

 it is common but on Long Island is of "comparatively rare and 

 infrequent occurrence" (Dutcher, MS.). It breeds here rarely 

 and during favorable seasons a few pass the winter. (See Group, 

 main floor, opposite case C.) 



Family URINATORID^E. LOONS. 



4. Urinator imber (Gunn.) LOON. (7.) " Breeds from about 

 latitude 42 to within the Arctic Circle. During the winter it is 

 found. . . . from Maine to Florida." In this locality the Loon is a 

 common migrant and less common winter resident. (See Group, 

 main floor, opposite case B ) 



