230 Birds of Pennsylvania. 



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

 Pennsylvania^ Dr. Turiilnill's Birds of East Pe7insi/lva?iia, the Messrs. 

 Baird List of the Birds, Carlisle,^m., 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 Podicipidji;. The Grebes. 



1. Colymbus holhcellii (Reinh.). 



Holboell's Grebe. 2. Winter visitant 



2. C. auritus Linn. 



Horned Grebe. 3. Winter visitant* 



3. J'odilymbus podice2ys (Linn.). 



Pied-billed Grebe. G. Winter visitant. 



Family URiNATORiDiE. The Loons. 



4. Urinator imher (Gunn.). 



Loon. 7. Winter visitant. 



5. U. arcticus (Linn.). 



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

 said to liave been taken, by tiie late Jolin Krider, near Philadelphia. 



6. IT. lumme (Gunn.). 



Red-throated Jjoon. 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. Pratercula arctica (Jjinn.). 



"Puffin. 13. Accidental winter visitant Krider. 



8. Cepplius gryUe (Linn.). 



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

 ware, Schuylkill and Susquehanna rivers. 



9. (^. mayidtii CLicht.). 



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

 Philadelphia. 



10. Uria loviina (Ijinn.). 



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

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

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



11. Alle alle (Linn.). 



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

 near Philadelphia. 



Family SxERCORARiiDyE. The Jaegers. 



12. 6'iercorarui,i ]>omnrinus (Temm.). 



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

 burg in summer." — Turnhull. 



13. 6'. parasiticus (Tjinn.). 



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

 meadows to the south of Philadelphia." — Turnbull, 



