PUFFINUS. 61 



g 1 . Lower tail-coverts entirely white. 



h l . Dusky of head extending far below the eye, the 

 white being almost confined to throat and 

 fore-neck ; wing 8.30, culmen 1.25, tarsus 1.55, 

 middle toe, with claw, 1.85. Hob. Indian 

 Ocean, and southeastward to New Zealand. 



P. obscurus (GMEL.). Dusky Shearwater. 1 



/j 2 . Dusky of head not descending below the eye, the 



ear-coverts and greater part of lores being 



white; wing 6.50, culmen about 1.00, tarsus 



1.25. Hab. Australian seas. 



P. assimilis GOULD. Allied Shearwater. 



e 2 . Above plumbeous, the larger wing-coverts, scapulars, etc., nar- 

 rowly tipped with whitish. 



Lower parts entirely white ; wing 7.30, tail 2.70, culmen 

 1.07, tarsus 1.70, middle toe, with claw, 1.95. Hab. 

 South Atlantic. 



P. elegans GIGL. & SALVAD. Elegant Shearwater. 8 



e 2 . Lower parts uniform dusky, or sooty gray (the chin and throat some- 

 times whitish). 

 d 1 . Bill black or dusky. 



e l . Culmen much longer than the combined length of the first 



two divisions of the outer toe. 



f 1 . Wing more than 11.00 ; bill horn-gray or dusky brownish ; 

 under wing-coverts mottled with white and smoky 

 gray, and with dusky shaft-streaks. 

 g l . Under wing-coverts gray, transversely mottled with 

 white at tips; length about 16.00, wing 11.15- 

 12.00, culmen 1.60-1.75, depth of bill at base .50- 

 .55, tarsus 2.05-2.15, middle toe 2.05-2.20. Egg 

 2.58 X 1-78. Hab. North Atlantic, from the New- 

 foundland Banks to South Carolina on the Ameri- 

 can side. 



94. P. Strickland! EIDGW. Sooty Shearwater. 



<7 2 . Under wing-coverts white, transversely mottled with 



gray at tips; wing 11.15-12.00, culmen 1.55-1.70, 



depth of bill at base .45-.S5, tarsus 2.12-2.35, 



middle toe 2.05-2.25. Hab. South Pacific, north, 



on American side, to California 95. P. griseus 



(GMEL.). Dark-bodied Shearwater. 



1 Procellaria obscura GMEL., S. N. i. pt. ii. 1788, 559. Puffinw obscurus REICH., Novit. Synop. Av. Natat. 

 Dec. 1850 (second page). 



2 Puffinw assimilis GOULD, P. Z. S. 1837, 186; B. Austr. vii. pi. 59. 



8 Puffinw elegans GIGLIOLI & SALVADOEI, Ibis, 1869, 67, 68. SALVIN, Rowley's Orn. Misc. pt. ir. 1876, 256, 

 pi. 34. 



