58 CHECK-LIST OF NORTH AMERICAN BIRDS. 
RANGE.— Coast of California. Breeds on the Farallon and San 
Miguel islands. 
Oceanodroma socorroénsis C. H. TownsEND. Socorro Petrel. [108.1.] 
Oceanodroma socorroensis TOWNSEND, Proc. U.S. Nat. Mus., XIII, 1890, 
134. (Socorro Island, Lower California.) 
RancE.— San Diego, California, south to islands off west coast 
of Mexico; breeds on Los Coronados Islands and San Benito Island. 
SuspFraMILy OCEANITINAS. Lonc-LEGGED StTorM PETRELS. 
GENUS OCEANITES Keyseruinc & Buastus. 
’ Oceanites KEYSERLING & Buasius, Wirbelth. Eur., I, 1840, xciii, 131, 238. 
Type, by subs. desig., Procellaria wilsonit BONAPARTE = P. oceanica 
Kua (Gray, 1841). 
Oceanites ocednicus (KUHL). Wilson’s Petrel. [109.] 
Procellaria oceanica Kunu, Beitrige Zool., 1820, 136, pl. 10, fig. 1. 
(Southern oceans; locality not given.) 
RanGE.— South Polar regions north to Labrador and British Isles. 
Breeds on Antarctic islands in February; occurs off American coast 
from May to September; accidental on Muskoka Lake, Ontario. 
[GENUS FREGETTA Bonaparte. 
Fregetta BONAPARTE, Comptes Rendus, XLI, 1855, 1118. Type, by orig. 
desig., Thalassidroma leucogaster GouLD = Procellaria grallaria ViEIL- 
LOT. 
Fregétta grallaria (VIEILLOT). White-bellied Petrel. [110.] 
Procellaria grallaria Vim1tLot, Nouv. Dict. d’Hist. Nat., XXV, 1817, 418. 
(Australia.) 
RanGE.— Southern oceans north to Bay of Bengal, and Atlantic 
Ocean to Tropic of Cancer; accidental at St. Marks, Florida.] 
