of the United States. 371 



Inhabits the sea throughout the globe: common between 

 the banks of Newfoundland and the United States, in the 

 Mediterranean, &ic. 



312. Puffinus anglorum, Ray. Bill one inch and three quar- 

 ters long, very slender ; tail rounded, the wings reaching 

 somewhat beyond its tip ; tarsus little more than one inch 

 and three quarters long. 



Adult glossy black, beneath pure white ; bill blackish. 



Shear-water Petrel, Venn, nee Lath. Manks Puffin, 

 Edwards, t. 359. Procellaria anglorum, Temm. Meyer. 

 Omitted in my catalogue. 



Inhabits the Arctic seas of both continents : rare and acci- 

 dental in the United States, very common in the northern 

 British islands. 



313. Puffinus obscurus, Cuv. Bill one inch and a quarter 

 long, very slender ; tail rounded, the wings reaching to its 

 tip ; tarsus little more than one inch long. 



Adult glossy brownish-black, beneath white : bill blackish. 



Dusky Petrel, Lath. Penn. St. degli Ucc. V. pi. 538. 



Inhabits throughout the temperate and warm seas, never to 

 the north : very rare and accidental in the middle states and 

 Europe. Not easy to distinguish from the preceding. 



** No hind nail. 

 Diomedea, Haladroma, III. Temm. Ranz. 



70. DIOMEDEA. 



Diomedea, L. Briss. G?n. Lath. 111. Cuv. Vieill. Temm. 

 Ranz. 



Bill longer than the head, very robust, hard, compres- 

 sed, straight, suddenly curved at the point; edges cutting; 

 upper mandible deeply seamed each side, strongly hooked 

 at tip, palate with two or three raised, cutting, serrated 



