V0 1889."'] PROCEEDINGS OF THE NATIONAL MUSEUM. 115 



Yucatan, ami the Bahamas. The series of the latter available for com- 

 parison is, however, very meager. A very young bird may be described 

 as follows : 



Downy young : Grayish white, becoming nearly pure white on fore- 

 head, cheeks, median line of back, whole rump, and median under parts; 

 bill pale brownish, dusky terminally; naked lores dusky; legs and 

 feet brownish black. Bill nearly straight. 



Family ANATID.E. 



37. Pcecilonetta galapagensis sp. uov. 



Pcecilonitta bahamensis Gould aud Dahwin, Zool. Beag., in, 1841, 135. 



Anas bahamensis SUND., P. Z. S., 1871, 126. 



Dajila bahamensis Scl. aud Salv., Trans. Zool. Soc. Lond., ix, pt. ix, 1876, 499. 



Sp. Char. — Similar to P. bahamensis (Linn.), but white on sides of 

 head thickly speckled with brown instead of being quite immaculate, 

 and top of head grayer brown. 



Adult male (type, No. 115931, Charles Island, Galapagos, April 8, 1888 ; 

 IT. S. S. Albatross): Pileum, sides of head down to below the eyes, aud 

 hind-neck, pale sepia-brown or hair-brown, speckled with dusky, these 

 markings larger on .pileum ; back aud anterior scapulars dusky gray- 

 ish brown, the feathers with paler grayish brown margins; lower 

 back aud rump plaiu dusky grayish brown ; posterior scapulars dusky 

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

 slate, the greater sharply tipped with deep cinnamon-buff; secondaries 

 metallic green, washed with copper-bronze, crossed about midway of 

 the exposed portion by a narrow band (about .12-15 wide) of velvety 

 black, the succeeding portion deep cinnamon-buff; tertials broadly 

 edged with paler cinnamon buff; primaries dusky brownish slate. 

 Upper tail-coverts and tail pale pinkish buff (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 .40 

 of an inch wide; rest of under parts pale brown (intermediate 

 between fawn-color and isabella-color), thickly spotted with dusky, 

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

 plain pale fawn color, the longer ones with dusky mesial streaks ; 

 asillars white, the terminal portion, mesially, mottled with dusky; 

 under wing-coverts plain brownish slate, the last row white. Bill 

 blackish, with a large space on lower basal portion of upper mandible 

 reddish; legs and feet dusky brownish. Length (skin), 16.75; wing, 

 8.10; tail, 3.70; culmeu, 1.78; greatest width of bill, 72; tarsus, 1.48; 

 middle toe, 1.62. 



Adultfcmale (No. 116143, 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 upper maudible 



