230 BIRDS OF PENNSYLVANIA. 



Birds, Prof. Thomas G. Gentry's Life- Histories of Birds of Eastern 

 Pennsylvania, Dr. Turnbull's Birds of East Pennsylvania, the Messrs. 

 Baird List of the Birds, Carlisle, Pa., and the several lists and cata- 

 logues of the birds of Chester county, Pa., published by the late Dr. 

 Ezra Michener, Toughkenamon, Pa., the late Vincent Barnard and 

 Mr. Chas. J. Pennock, of Kennett Square, Pa. Through the kind- 

 ness of my esteemed friend Mr. Geo. B. Sennett, of Erie,Pa., I have 

 been able to give in this report information relative to species in the 

 north-western part of the State. 



Family PODICIPIM. The Grebes. 



1. Colymbus holbcellii (Reinh.). 



Holbcell's Grebe. 2. Winter visitant. 



2. C. auritus Linn. 



Horned Grebe. 3. Winter visitant* 



3. Podilymbus podiceps (Linn.). 



Pied-billed Grebe. 6. Winter visitant 



Family URINATORIDJE. The Loons. 



4. Urinator imber (Gunn.). 



Loon. 7. Winter visitant. 

 6. U. arcticus (Linn.). 



Black-throated Loon. 9. Very rare or accidental visitant. A specimen is 

 said to have been taken, by the late John Krider, near Philadelphia. 



6. IT. lumme (Gunn.). 



Red-throated Loon. 11. Rare visitant in eastern Pennsylvania. This 

 species is said to be "not rare on Lake Erie, especially in the fall." 



Family ALCID^E. The Murres, Puffins, etc. 



7. Fratercula arctica (Linn.). 



Puffin. 13. Accidental winter visitant Krider. 



8. Oepphus grylle (Linn.). 



Black Guillemot. 27. Specimens have been taken in winter on the Dela- 

 ware, Schuylkill and Susquehanna rivers. 



9. C. mandtii (Licht.). 



Mandt's Guillemot. 28. Sonie few winters ago a specimen was taken near 



Philadelphia, 

 10. Uria lomvia (Linn.). 



Brunmch's Murre. 31. Accidental winter visitant. A specimen stuffed 

 by Mr. C. D. Wood, of Philadelphia, was said to have been captured in 

 the winter of 1880 on an ice-pond in Delaware county. 

 IL Alle alle (Linn.). 



Dovekie. 34. Specimens have been taken in winter on the Delaware river 

 near Philadelphia. 



Family STERCORARiiDyE. The Jaegers. 



12. Stercorarius pomarinus (Temm.). 



Pomarine Jaeger. 36. Accidental. "One specimen was taken at Harris- 

 burg in summer." TurnbulL 



13. & parasiticus (Linn.). 



Parasitic Jaeger. 37. Accidental. " Mr. John Krider shot one on the 

 meadows to the south of Philadelphia." TurnbulL 



