52 JOURNAL OF THE 



CATALOGUE 



Order PYGOPODES. Diving Birds. 



Family PODICIPID.E. Grebes. 



Genus CoLYMBUS Linnaeus. 



Subgenus Colymbus. 



1. (2). a holbwim (Reinh.). Holboell's Grebe. Chapel Hill. 

 (Coll. 1877). J. I. Dunlap. 



Subgenus Dytes Kaup. 



2. (3). C. auritus Linn. Horned Grebe. Currituck Sound, 

 February, 1884; rather common (Brimley). 



Genus PoDiLYMBUS Lesson. 



3. (6). P. podiceps (Linn.). Pied-billed Grebe. Middle and 

 coast regions, common in the latter place. (Univ. Coll.). 



Family URINATORID^. Loons. 

 Genus Urinator Cuvier. 



4. (7). U. imber (Gunn.). Loon. Winter visitor, rather rare. 

 (Univ. Coll.). 



5.(11). U. lumme (Gunu.). Red- throated Loon. Coast, win- 

 ter visitor. 



Order LONGIPENNES. Long-winged Swimmers. 



Family LARID^. Gulls and Terns. 



Genus Larus Linnteus. 



6. (51a). L. argentatus smithsonianus Coues. American Her- 

 ring Gull. Coast, common in winter. 



7. (54). L. delaivaren^iis Ord. Ring-billed Gull. Coast, 

 rather rare. 



*8. (58). L. atridlla (Linn.). Laughing Gull. Coast, com- 

 mon, breeds. The young are so different in color from the 



