K0.1116. PROCEEDINGS OF TEE NATIONAL MUSEUM. 613 



Specific characters. — Similar to P. hahamensis (Linnseus), but white 

 on sides of head thickly speckled with brown (instead of being quite 

 immacuhite) and top of head grayer brown. 



is'a>jr/6'.— Galapagos Archipelago: Xo locality (Darwin, Kinberg); 

 South Albemarle Island (Baur and Adams); Duncau Island (Baurand 

 Adams); Charles Island (^Iarkham,Townsend, Baur and Adams); Hood 

 Island (Habel,^ Baur and Adams) ; Chatham Island (Baur and Adams) ; 

 Barrington Island (Baur and Adams); Indefatigable Island (Habel, 

 Albatross, Baur and Adams); Jervis Island (Baur and Adams); Tower 

 Island (Baur and Adams). 



Adult male.— Tji^e, No. 115931; U.S.X.M.; Charles Island, Galapagos, 

 April 8, 1888; U. S. S. Albatross. Pileum, sides of head down to below 

 the eyes, and hind neck, pale sepia brown or hair brown, speckled with 

 dusky, these markings larger on pileum ; back and anterior scapulars 

 dusky grayish brown, the feathers with paler grayish brown margins; 

 lower back and rump plain dusky grayish brown; posterior scapulars 

 dusky grayish brown, margined with dull bufly; wing-coverts plain 

 brownish slate, the greater sharply tipped with deep cinnamon-bufif; 

 secondaries metallic green, washed with copper-bronze, crossed about 

 midway of the exposed portion by a narrow band (about 0.12-0.15 wide) 

 of velvety black, the succeeding portion deep cinnamon-buif ; tertials 

 broadly edged with paler cinnamon-buff; primaries dusky brownish 

 slate. Upper tail-coverts and tail pale pinkish buft' (middle tail-feathers 

 nearly white), the concealed portions of the feathers more grayish. 

 Chin, throat, and fore neck immaculate white, this separated from the 

 brown of sides of head and neck by a speckled space about 0.40 of an 

 inch wide; rest of under parts pale brown (intermediate between fawn 

 color and Isabella color), thickly spotted with dusky, the ilanks pale 

 fawn color, with larger spots, and the under tail-coverts plain pale fawn 

 color, the longer ones with dusky mesial streaks; axillars white, the 

 terminal portion, mesially, mottled with dusky; under wing-coverts 

 plain brownish slate, the last row white. Bill blackish, w-ith a large 

 space on lower basal portion of maxilla reddish; legs and feet dusky 

 brownish. Length (skin), 10.75; wing, 8.10; tail, 3.70; culmeu, 1.78; 

 greatest width of bill, 0.72; tarsus, 1.48; middle toe, 1.02. 



Adult female.— l^o. 110143, U.S.X.M.; same locality, etc. Similar to 

 the male, but smaller, lower fore neck speckled with dusky brown, tail- 

 coverts spotted with dusky, and reddish space at lower base of maxilla 

 much smaller. Length (skin), 10; wing (quills molting); tail, 3.15; cul- 

 meu, 1.00; greatest width of bill, 0.05; tarsus, 1.42; middle toe, 1.55. 



Specimens of P. bahamensis with which the above examples have 

 been compared, and from all of which they differ in the characters 

 mentioned in the diagnosis, are from the West Indies (Bahanuis, 1; 

 Guadeloupe, ;i; Barbuda, 1); Buenos Ayres, 1, and Chile, 2. 



The collection of Messrs. Baur and Adams contains 15 additional 



1 Not collected. 



