596 BIRDS OF THE GALAPAGOS ARCHIPELAGO-RIDGWAY. vol.xix. 



Range. — Intertropical seas iu general. ? Galapagos Archipelago: No 

 locality (Kinberg) ; Charles Island (Markham) ; Tower Island (Baur and 

 Adams). 



1 follow Mr. Salvin in giving this species on the authority of Pro 

 lessor Snndevall,' who includes it in his i)aper "On birds from the 

 Galapagos Islands." Mr. Townsend did not meet with it, but Dr 

 Baui mentions it in his list of birds observed at Tower Island. The 

 specimens, if any were collected, must have been with those lost or 

 stolen at Guayaquil, none being in the collection received at the 

 National Museum. 



SULA NEBOUXII, Milne-Edwards. 



Sula nehonxii, Milne-Edwards, Ann. tSoc, Nat. Zooi., 52, Ann. VI, eer. '1, XIII, 

 N<)8. 2-4, art. 4, p. 37, pi. xiv (Chile). 



Sulagossi, Ridgway, Auk, V, July. 1888, p. 241 (San Pedro Martir Island, Gulf 

 of California; collection U. S. Nat. Mus.); Proc. U. S. Mat Mus., XII 1889 

 (1890), pp. 114, 120, 121 (Chatham Island, Galapagos). — American Ornithol- 

 ogists' UNION, Check List, abridged ed., 1889, No 114.1. 



Specific characters.— Adult Head, neck, and en tire lower parts white, 

 the first two streaked with sooty grayish; back and scapulars dusky 

 brownish, the feathers tipped witb whitish; legs and teet bright blue 

 in lite. Length (before skinning), about 32-34.50; wing, 15.50-17.50; 

 tail, 8- 10, culmen, 3.98-1.55; tarsus, 1 85-2.30; middle toe, 2.G5-3.05. 



jRrtW|/<^.— Pacific Coast of America, from the Gulf of California, the 

 Kevillegigedo Islands, etc., to the coast of Chile, (ialapagos Archi- 

 pelago: Albemarle, Brattle, Charles, Barrington, and Bindloe islands 

 (Baur and Adams) ; Hood Island (Ilabel) ; ^ Chatham Island (Townsend, 

 Baur and Adams). 



Adult male.— Feathers of head and neck grayish white, widely edged 

 in middle portion with dark sooty grayish, their lanceolate tips pure 

 white, j)roducing a wavy streaked appearance; these markings become 

 obsolete on the anterior part of the forehead, and on the throat for some 

 distance behind the gular sac, and are nearly uniform grayish white; 

 lower neck and entire lower parts, including Hanks, axillaries, and 

 most of the under wing-coverts, pure white, broken only on the sides 

 of the lower neck by rather indistinct broad streaks of pale sooty gray- 

 ish, changing posteriorly next to back into more distinct S])Ots of a 

 deeper hue; feathers of back and scapulars deep sooty grayish or gray 

 ish brown, rather broadly but not abruptly tipped with dull white, 

 these terminal spots larger and more distinct on posterior scapulars; 

 wing coverts entirely plain grayish brown or light sei)ia, deepening 

 gradually into sooty slate on primaries; lower back and lower rump 

 pale grayish sepia, fading gradually into white on upper tail-coverts; 

 the upper parts of rump chiefly pure white; middle tail feathers white, 

 faintly shaded on outer portion of outer web for about the terminal 

 third with pale brownish gray, their shafts entirely clear yellowish 



> Proc. Zool. Soc. Lond., 1871, pp. 1 ''4-130. * Not collected. 



