— 13 — 



LIST OF BIRDS FOUND WITHIN FIFTY MILES OF 

 NEW YORK CITY. 



Order PYGOPODES. Diving Birds. 



Family PODICIPID^.— Grebes. 



i. Colymbus holboellii (Rcinh.). 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^. -Looxs. 



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 ) 



