624 GEOLOGICAL SURVEY OF NEW JERSEY. 



P. stricklandi, Ridg. Sooty Shearwater. 



Lower parts dusky ; bill brownish ; under wing coverts gray, 

 mottled with white at tips. Length, 16 inches; wings, 12 

 inches. Inhabits American side of North Atlantic. 



P. auduboni, Finsch. Audubon's Shearwater. 



No white tips to wing coverts ; lower tail coverts dusky ; 

 above sooty black ; white of under side head extends nearly to 

 eye. Length, 1 1 inches ; wings, 8 inches ; tail, 3 J inches ; tar- 

 sus, 1J inches. Inhabits warmer parts of Atlantic; casual on 

 coast of New Jersey. 



Bonap. 



JE. hastata, Kuhl. Black-capped Petrel. 



Cutting edge of lower mandible concave ; upper parts dusky ; 

 upper tail coverts white ; head and neck white ; head blackish 

 on top. Length, 15 inches; wings, 11 inches; tail, 5 inches. 

 Inhabits Middle Atlantic and straggles occasionally to our coasts 

 (Florida to Long Island). 



OOEANODROMA, Reich. 

 O. leucorhoa, Vieill. Leach's Petrel. 



Upper tail coverts white (or grayish), without black tips ; 

 plumage sooty, darker above; a grayish band across chest. 

 Length, 8 inches; wings, 6 inches; tail, 4 inches, forked for 

 nearly one inch. Feet black. Inhabits the oceans of northern 

 hemisphere. 



OOBANITES, Keyser. & Bl. 



O. oceanus, Kuhl (Thalassidroma wilsoni). Wilson's Petrel (incor- 

 rectly, the Stormy Petrel, P. pelagica, which does not range 

 south of Banks of Newfoundland, on our side of Atlantic). 



Secondaries ten ; claws narrow and pointed ; belly and flanks 

 dusky ; sooty black above ; tail and quills black ; upper tail 

 coverts white ; web of feet yellowish ; tail not forked. Length, 

 7 inches ; wings, 6 inches ; tail, 3 inches. 



" Not uncommon off the coast. Occasionally during severe 

 storms is driven across the State and up the Delaware and other 

 rivers, but makes no longer stay inland than practicable. Does 

 not breed in the State." 



