NO. 1116. PROCEEDINGS OF THE NATIONAL MUSEUM. 549 



Ramje. — Galapagos Archipelago: Albemarle Island (Baur and 

 Adams); Charles Island (Townsend, Baur and Adams); Cliatham 

 Island (Townsend, Baur and Adams); Indefatigable Island {Albatross); 

 James Island (Baur and Adams); ? Abingdon and Bindloe islands 

 (Habel). 



Adult male (worn plumage). — Xo. 125972, U.S.X.M. ; Chatham Island, 

 Galapagos, March 30, 1891; C. H. Townsend. Head, neck, and upper 

 chest dull sooty blackish, broken, more or less, by paler edgings to the 

 feathers, deepest and most uniform on upper chest and middle line of 

 throat; upper parts plain brownish olive, lighter and slightly more 

 buffy on the lower rump; the general color of the wings and tail some- 

 what darker than the back, with the margins of the feathers rather 

 lighter, especially on middle and greater wing-coverts and primaries; 

 under parts, posterior to upper chest, pale creamy yellow, shaded later- 

 ally with light olive-brown, the lower chest and sides of breast marked 

 with broad, more or less wedge-shaped, streaks of sooty blackish, these 

 gradual]}' becoming obsolete on the sides; under wing-coverts white 

 tinged with pale creamy yellow, the carpometacarpal region with an 

 elongated space of dusky olive-grayish. Bill, legs, and feet wholly 

 black. Length (skin), 5.90; wing, 3.32; tail, 2.10; culmen,0.70; gonys, 

 0.30; width of mandible at base, 0.40; depth of bill at base, 0.50; tar- 

 sus, 1.10; middle toe, 0.71. 



Immature male. — No. 76, collection of Dr. G. Baur; Chatham Island, 

 June 18, 1891. Above olive, the pileum rather broadly and distinctly 

 streaked with dusky, the feathers of the back and scapulars with large 

 central spots of a slightly darker and less olivaceous shade; wings and 

 tail as in the adult male; under i)arts very pale creamy yellow, the 

 whole chest and sides of breast with broad, mostly wedge-shaped or 

 sagittate spots of deep sooty brown, or sepia, the sides and flanks 

 with narrower and less distinct streaks of the same. Bill, legs, and 

 feet black. .Length (skin), 5.50; wing, 3.32; tail, 2.30; culmen, 0.70; 

 gonys, 0.30; width of mandible at base, 0.43; depth of bill at base, 0.53; 

 tarsus, 1.10; middle toe, 0.72. 



Young male. — No. 00, collection of Dr. G. Baur ; Chatham Island, June 

 17, 1891. Similar to the immature male, as described above, but mar- 

 gins of wing-coverts more bnfty, spots on chest, etc., rather deeper in 

 color, and bill light-colored (basal half of maxilla deep brown, terminal 

 half and whole of inaudible pale buffy brownish. Length (skin), 5.80; 

 wing, 3.30; tail, 2.20; culmen, 0.G8; gonys, 0.30; width of mandible at 

 base, 0.41; dei^th of bill at base, 0.52; tarsus, 1.13; middle toe, 0.73. 



Yonnn female. — No. 37, same collection and locality, June 10. Similar 

 to the young male as described, but markings on breast, etc., less deep 

 (deep hair brown). Length (skin), 5.55; wing, 3.22; tail, 2.10; culmen, 

 0.63 ; gonys, 0.29 ; width of mandible at base, 0.39 ; depth of bill at base 

 0.48; tarsus, 1.05; middle toe, 0.69. 



Specimens from the various islands differ appreciably though slightly, 



