62 NORTH AMEJilCiy BIRDS. 



p. Wing less than 10.00 ; bill deep black; under wing-coverts 

 uniform deep sooty black. 



Uniform sooty black, the lower parts much darker 



and browner than in stricldandi and griscus ; wing 



9.S0, tail 3.50, culmen 1.25, tarsus 1.70, middle too, 



with claw, 1.98. Hub. Pacific Ocean (Christmas 



Island). 



P. nativitatis Streets. Christmas Island Shearwater.' 



e'. Culmen less than the combined length of the first two divisions 



of the outer toe. 



Above dark sooty slate, beneath deep sooty gray, paler 



on throat, where sometimes inclining to whitish ; wing 



10.00-11.^0, tail 3.20-3.60, culmen 1.20-1.28, depth of 



bill at base .35-.50, tarsus 1.90-2.00, middle toe, with 



claw, 2.18-2.42. Hab. Pacific Ocean, from Alaska and 



Kamtschatka to Australia 9G. P. tenuirostris 



(Temm.). Slender-billed Shearwater. 

 (P. Bill light-colored (pinkish or fleshy white in life), the nails Mack- 

 ish. ITab. Off western coast of Australia. 



P. carneipes Gould. Flesh-footed Shearwater.' 

 b*. Tail nearly or quite half as long as the wing, graduated for about as much 

 as the length of the tarsus. (Subgenus TheiUus Gloger.') 

 c'. Lower parts uniform sooty grayish. 



d}. Bill dusky or brownish, with flesh-colored or reddish tinge in life; 

 wing 10.50-11.25, tail 5.00-6.00 (graduated for about 2.00), cul- 

 men 1.60, tarsus 1.90, middle too, with claw, 2.35. Hab. Aus- 

 tralian seas P. sphenurus Gould. Wedge-tailed Shearwater.* 



cP. Bill "greenish orange," with black tip and culmen; rather larger 

 than P. sphenurus. Hab. Indian Ocean, from western Australia 

 to Cape of Good Hope. 



P. chlororhynchus Less. Green-billed Shearwater.' 

 (?. Lower parts white. 



Top and sides of head white, spotted and streaked with blackish ; 



wing 11.25-12.50, tail 5.85 (graduated for about 1.80), culmen 



1.85, tarsus 1.85, middle toe, with claw, 1.30. Hah. Japanese seas. 



P. leucomelas (Temm.). Streaked Shearwater.' 



> ruffinun (Xeclrin) nalivilatii Streets, Bull. U. S. Nat. Mus. No. 7, 1877, 29. 

 ' Piiffinua carneipes GocLD, P. Z. S. 18M, 57. 



' ThciUnn Glog., " V. Fror. Notif,. 1S27, xvi. 279." Typo, Puffimin chlnrorhrjnehm Less. (?). 

 « Piiffinut iphenurua GouLT), Ann. Mag. N. II. 1st ser. .\iii. 1844, 365; B. Austr. vii. pi. 58. 

 » /'iiy/iiMn chlororht/nehim Less., Traitfi, 1831, 613. 



• Prncellnria leiicomelaa Temm., PI. Col. livr. 99, pi. 5S7 (1838). PuJJinm hiicomclnK BoN.ir., Consp. ii. 

 1856, 203. 



