BIRDS OF EAST PENNSYLVANIA. 



47 



Stormy Petrel. . 



Manx Shearwater. 

 Dusky Shearwater. 

 Pomarine Skua. . 



Arctic Skua. 



Caspian Tern. 

 Eoyal Tern. . . 

 Sandwich Tern. . 



Black Guillemot. 

 Bridled Guillemot. 



Thalassidroma pelagica. Mother 

 Caret's Chicken. Has been found 

 off the coast. One was captured 

 under Market Street Bridge a few 

 years ago. 



Puffinus anglorum. An accidental 

 visitor to the coast, generally 

 appearing in Autumn. (S.) 



Puffinus obscurus. An occasional 

 straggler along the sea-shore, from 

 the south. (S.) 



Stercorarius pomarinus. Has been 

 found on the coast in Winter. One 

 specimen was taken at Harrisburg 

 in Summer. (W.) 



Stercorarius -parasiticus. Richard- 

 son's Skua. Sometimes appears 

 on the coast. Mr Krider shot one 

 on the meadows to the south of 

 Philadelphia. (W.) 



Sterna Gaspia. Specimens have been 

 procured from the coast of New 

 Jersey at rare intervals. (W.) 



Sterna regia. Also very rare. This 

 bird is distinct from Sterna Cayana 

 of South America. (S.) 



Sterna cantiaca. A specimen of this 

 straggler from the Gulf States was 

 shot on Grassy Bay in August, 

 1861. (S.) 



Uriagrylle. Guillemot. Occasionally 

 migrates as far south as Cape May 

 in Winter. (W.) 



Uria lachrymans. Mueee. Ringed 

 Guillemot. Poolish Guillemot. 

 Occasionally met with on the coast 

 in Winter. It is doubtful if the 

 true Ui-ia troile of Europe has yet 

 been seen in the United States. 



