PELAGODROMA.
Tarsus and toes very long and tarsus very little longer than middle toe; tail forked (10-14 m.m. deep).
Pelagodroma marina hypoleuca (Webb, Berthelot and Moquin-Tandon).
Above greyish brown, rump and upper tail coverts paler ; forehead, eyebrow and underparts white ; pre-ocular patch and car coverts blackish grey, basal part of inner web of primaries, under wing coverts and asillaries white. Bill,
legs and feet black, web between toes yellow with black border. Wing (IL). Tarsus Bill 16.
Preeds.—Salvage Islands and Cape de Verde Islands. Occurs occasionally on Coasts of Canary Islands, Madeira and Azores ; rare on British and N. American Coasts.
The typical form " I'. marina marina" occurs in S. Seas.