84 MAM AL OF PHILIPPINE BIRDS. 



A full-grown young bird has upper parts light brown; sides of head 

 and neck buffy brown, mottled and streaked with white; chin and upper 

 throat white; a wide dull buffy brown band around neck; breast and 

 abdomen pure white; thighs buff-brown. 



"Comparatively rare. Several specimens were secured by the Steere 

 Expedition in a little pond in Guimaras. Fairly common in the Laguna 

 de Bay, Luzon, but we failed entirely to find it in the Laguna de Xaujan, 

 Mindoro." (Bourns and Worcester MS.) 



Order PROCELLAHIIFORMES. 



PETRELS AND SHEARWATERS. 



Bill strong and moderately long, terminating in a strong, sharp, over- 

 hanging hook or nail ; nostrils impervious and tubular, opening forward 

 or upward; feet moderate; toes webbed; hind toe small and elevated, 

 rarely absent. Oceanic birds of strong flight and wandering habits; 

 colors black, brown, and white. Eggs white, deposited in burrows or 

 among piles of loose stone; young covered with down and fed for some 

 time before leaving the nest. 



Families. 



a 1 . Smaller ; wing less than 150mm Procellariidac (p. 84) 



a. Larger; wing more than 300 mm Pumnidae (p. 84) 



Family PROCELLAKimffi. 



Xasal tube prominent, vertically truncated and with a thin partition. 



Subfamily PROCELLARIINyC. 

 Genus OCEANODKOMA Reichenbach, 1852. 



Wing less than 180 mm.; tarsus not longer than middle toe with claw; 

 tail emarginate or slightly forked ; tarsus less than twice as long as 

 culmen. 



74'. OCEANODROMA species McGregor. 

 PETREL. 



Oceanodroma sp. McGREGOB, Bull. Philippine Mus. (1904), 4, 12; McGRi <-<m 

 and WORCESTER, Hand-List (1906), 19. 



Luzon (McGregor). 



The only specimen representing this genus and known to have been 

 taken in the Philippines is in very poor condition and can not be deter- 

 mined specifically. . It came aboard ship near Mariveles, Luzon, during a 

 gtorm on July 28, 1903. 



Family PUFFINID^. 

 Nasal case low and broad ; end of lower mandible hooked like the upper. 



