84 MANUAL OF PHILIPPINE BIRDS. 
A full-grown young bird has wpper parts light brown; sides of head 
and neck buffy brown, mottled MF sivcaked 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 Naujan, 
Mindoro.” (Bourns and Worcester MS.) 
Order PROCELLARITFORMES. 
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. 
i. Smaller; wing less than 150 Wn. ee eecenscc cetaceans Procellariide (p. 84) 
a?, Larger; wing more than 300 mm........................ SRL. fata Puffinide (p. 84) 
Family PROCELLARIIDZ. 
Nasal tube prominent, vertically truncated and with a thin partition. 
Subfamily PROCELLARIIN. 
Genus OCEANODROMA 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. McGrecor, Bull. Philippine Mus. (1904), 4, 12; McGrecor 
and WoRrcESTER, 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 
storm on July 28, 1903. 
Family PUFFINIDZ. 
Nasal case low and broad ; end of lower mandible hooked like the upper. 
