_Puffinus (Nectris) nativitatis_ Streets, Bull. U. S. Nat. Mus., 7,
1877, p. 29. (Type locality, Christmas Island, Pacific Ocean.)
_Puffinus nativitatis_ Salvin, Cat. Birds British Mus., 25, 1896,
p. 389 (Krusenstern); Lister, Proc. Zool. Soc. London, 1891, pp.
295-300 (Krusenstern); Godman, Monogr. Petrels, pt. 3, 1908, p.
153 (Marshalls).
_Geographic range._--Breeds at Wake and Laysan Islands south to
Christmas, Phoenix, Marquesas, Tuamotu, and Austral Islands. In
Micronesia: Marshall Islands--Ailuk.
_Characters._--Upper parts chocolate brown; underparts resemble
upper parts but throat may be slightly grayer; bill and feet
black. _P. nativitatis_ resembles _P. pacificus_ but is similar
with black feet.
_Remarks._--The only specimens of this bird known from Micronesia, are
those taken in the spring of 1883 by H. J. Snow at Krusenstern (Ailuk)
in the Marshall Islands. For two birds from this island in the
collections of the British Museum, Godman (1908:154) gives the following
measurements: wing, 9.6 and 10.0; tail, 3.35 and 3.4; culmen, 1.15 and
1.2; tarsus, 1.7 and 1.8; middle toe and claw, 2.0 and 2.1.
=Puffinus lherminieri dichrous= Finsch and Hartlaub