514 BIRDS OF THE GALAPAGOS ARCHIPELAGO— RIDG WAT. vol.xix. 



GEOSPIZA STRENUA, Gould. 



Geospiza streuua, Gould, Proc, Zool. 8oc., Pt. v, 1837, p. 5 (Galapagos Islands') ; 

 Zool. Voy. Beagle, III, 1841, p. 100, pi. 37 (James and Cliathum islands).— 

 BoxAPARTE, Consp.Av., 1, 1850,p. 542.— Gray, Hand-1., 1, 1870,p.88.— Sclatkr 

 and Salain, Proc. Zool. Soc. 1870, p. 323 (Indefatigable, Bindloe, and Abing- 

 don islands) ; Nom. Av. Neotr., 1873, p. 27.- Sundevai.l, Proc. Zool. Soc, 1871, 

 p. 124 (James Island).— Sai.vix, Trans. Zool. Soc, IX, Pt. i.\, 1876, p. 479 

 (James, Cliatham, Bindloe. and Abingdon islands). — Siiarpi., Cat. Birds Brit. 

 Mus., XII, 188S, p. 88 (Chatham, .lames. Indefatigable. Abingdon, iind Bindloe 

 islands).— Kiixiw.w, Proc. U. S. Nat. Mus., XII, 1889, p. 105 (Abingdon and 

 Charles islands). 



Sjjecijic characters. — Similar to G. mafinirosfris, Gould, bni smaller; 

 wing, about 3-3.25; tail, 1.^5-1.95; culinen, 0.83-0.93; depth of bill at 

 base, 0.72-0.78; tarsus, 0.92-1. 



Range. — Galapagos Arcbipelago: Gliarles Island (Albatross); C^'ixt- 

 ham Island (Darwin); Indefatigable Island (Ilabel); James Island 

 (Darwin, Kiuberg); Biudloe Island (Habel); Abingdon Island (Habel). 



3Iale, nearly adult. — No. 77740, U.S.N.M.; Abingdon Island, Gala- 

 pagos; Dr. A. Habel. Head, neck, and chest uniform brownish 

 black; rest of upper parts duller blackish, the feathers with grayish- 

 brown or olive grayish margins, less distinct on back, but very conspicu- 

 ous on rump, where giving the prevailing color; under parts, ])osteiior 

 to chest, dull blackish broken by light olive-grayish margins to the 

 feathers, these becoming broader and more tinged with buffy posteriorly, 

 the under tail-coverts dull grayish bufty white with a central spot of 

 dusky. Maxilla chiefly black for basal half, terminal portion more 

 horn colored; mandible chiefly lighthorn color, unsj^mmetrically clouded 

 with dusky; legs and feet blackish horn color. Length (skin), ."i.oO; 

 wing, 3.23; tail, 1.95; culmen, 0.93; depth of bill at base, 0.78; width 

 of mandible at base, 0.00; tarsus, 0,95; middle toe, 0.70. 



Immature male. — No. 110190, U.S.N.M.; Abingdon Island, April 16, 

 1888; C. H. Townsend. Simdar to the above-described specimen, but 

 uniform black confined to head (occiput excepted), the occiput, hind 

 neck, back, scapulars, etc., grayish olive with black centers to the 

 feathers; outermost greater wing coverts edged with brownish buff; 

 under parts buffy grayish white, the chest and breast spotted with 

 blackish, other portions streaked (more broadly on sides and flanks) 

 with the same; bill black, the mandible tinged with brown; feet horn 

 black. Length (skin), 5.80; wing, 3.12; tail, 1.88; culmen, 0.87; depth 

 of bill at base, 0.72; width of mandible at base, 0.59; tarsus 1; middle 

 toe, 0.70. 



Adultfemale.—^o. 116107,U.S.N.M.; Abingdon Island, April 16,1888; 

 C. n. Townsend. Pileum blackish dusky, tlie feathers edged with olive- 

 gray; rest of upper parts rather light olive-brown and dusky, the latter 



' The type iu the British Museum collectiou is said by Sharps to be from Chatham 

 Island. 



