PUFFINUS. 85 



Subfamily PUFFININ^E. 

 Genus PUFFINUS Brisson, 1T60. 



Nasal tube obliquely truncate, its partition thick. 



75. PUFFINUS LEUCOMELAS Temminck. 



SIEBOLD'S SHEARWATER. 



Piiffintis huco»ie1as Tkmmi.nck, PI. Col. (183G), pi. 587; Ridgway, Man. 

 North Am. Bds. (1887), G2; Salvin, Cat. Birds Brit. Mus. (1896), 

 25, .370; Sharpe, Hand-List (1899). 1, 12.3: McGregor and WORCESTER, 

 Hand-List (1900). 19. 



Luzon (CinniiHi) . .Japan and Korea south to Australia. 



"Adult male. — Upper surface brown, feathers of body and wings with 

 paler dusky edges ; anterior portion of crown, forehead, sides of head, and 

 neck white, each feather with a dark disk, wliich is narrow on the forehead 

 and sides of the head and neck, giving a streaked appearance ; entire 

 under surface white; under wing-coverts white,, interior ones with dark 

 shafts, those near the edge of wing with dark disks; axillars pure white: 

 tail brown, the inner webs of the lateral rectrices near the base white; 

 primaries black tliroughout. Bill horn-color; feet flesh-color, the outer 

 toe a little darker. Lengtii, about 480; wing, 330; outer rectrices, 10?; 

 central rectrices, 142. 



"FeniaJe. — Similar to the male." (Solvin.) 



"Lower ]>arts white; top and sides of head white, spotted and streaked 

 with blackish. Wing, 286 tx) 318; tail, 14!) (graduated for about 40); 

 culmen, 47; tarsus, 47; middle toe with claw, 33.'" {Eidgwaij.) 



The only record of this species for the Philippine Islands is based on 

 the specimen collected by Cuming. 



Order LAKTFORMES. 



TERNS AND GULLS. 



Nostrils ])cr\ ious, the opening linear or oval ; wings long, strong, and 

 pointed; first primary longest; legs and feet moderate; hind toe small 

 and elevated ; anterior toes fully webbed. Phnnage of the adult sim])le in 

 color, being white, black, and ])earl-grny, i-arely brown, usually in large 

 areas. Young gray or nu)ttled, very diit'erent in color from the adult. 

 Usually found in Hoi-ks and never far from watei". Eggs two to four, 

 highly colored ; nests usually on the ground oi- on cliffs; young downv at 

 l)irth and fed in the nest for some time.* 



* As the Bureau of Science collection contains very few specimens helonfrinj,' 

 to the order Larifornies and as these arc winter specimens only, the greater 

 part of the specific descriptions of Philippine pulls and terns are copied from 

 Saunders's excellent work, in voiunu> 25 of the Catalogue of Birds in tlie Britisli 

 Museum. 



