■186 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Galapagos Archipelago (Indefatig'able, Duncan, Albemarle, Nar- 

 borougb, James, Jervis, Charles, Gardner near Charles, Barrington, 

 and Cowle}?^ islands). 



Camarhynchus prosthemelas ScLATEuand Salvin, Proc. Zool. Soc. Lond., 1870, 82.3, 

 325, fig. 4 (Indefatigable I., Galapagos Archipelago; coll. Salvin and God- 

 man^). — Salvin, Trans. Zool. Soc. Lond., ix, pt. ix, 1876, 490. — Sharpe, Cat. 

 Birds Brit. Mus., xii, 1888, 17 (Indefatigable and James islands). — Ridg- 

 WAY, Proc. U. S. Nat. Mus., xii, 1889, 110 (part: Charles and James islands); 

 xix, 1897, 563, pi. 56, fig. 10 (monogr. : Albemarle, Charles, Indefatigaljle, 

 Jervis, and James islands) . 



ICamarliynchus'l prosthemelas Sclater and Salvin, Nom. Av. Neotr., 1873, 29. 



Geospiza prosthemelas Rothschild and Hartert, Novit. Zool., vi, Aug., 1899, 169 

 (Indefatigable, Duncan, Albemarle, Narborough, James, Jervis, Charles, 

 Gardner near Charles, Barrington, and Cowley islands) . 



CAMARHYNCHUS SALVINI Ridgway. 

 SAIVIN'S GROUND FINCH. 



Similar to C. prostliamehM but larger, more strongly tinged with 

 buffy yellow and more extensively streaked beneath, the adult male 

 apparently without any black on head, neck, or chest; wing, 62.23- 

 67.06; tail, 36.83-40.13; culmen, 10.92-13.21; tarsus, 20.57-22.35. 



Adult (?) onale {worQi plumage). — Above, including pileum, dusky 

 olive, the feathers with lighter olive edges, producing an indistinctly 

 streaked appearance; rectrices edged with more 3'ellowish olive; under 

 parts dull buffy whitish, the chest, sides, and flanks streaked with 

 dusk}^ (most distinct on chest, least so on flanks, where the coloi* of the 

 streaks is nearly that of the back); bill wholly deep black; legs and 

 feet brownish black. 



Adidt {'I) female {fresh 2^J^(mage). — Above dark olive, the feathers 

 margined with lighter, more bufl'y olive, the latter nearly uniform on 

 rump and upper tail-coverts; under parts pale straw yellow, the chest, 

 sides, and flanks broadly striped with dusky olive; bill light brown, 

 the mandible rather paler, especiall}^ underneath; legs and feet ])lackish 

 brown. 



Young male. — Similar to the adult (?) female, as described above, 

 but upper parts rather more distinctly streaked with darker, especially 

 on pileum, and under parts brighter buft'-yellow, with dusky streaks 

 narrower, very distinct only on chest; superciliar}" region conspicu- 

 ously light j^ellowish buft'; bill light bufl'y cinnamon, the mandible paler. 



Young female. — Similar to the young male, as described above, but 

 upper parts more bufly olive, with darker streaks on pileum, etc., less 

 distinct, and under parts without distinct streaks, even on chest. 



J/tt/<^.— Length (skins), aboutl06. 68-107.95; wing, 63.25-66.80(64.52); 

 tail, 38.10-40.13(39.37); culmen, 12.70-13.97 (12.95); gonys, 6.35-7.11 

 (6.60); width of mandible at base, 6.35-7.11 (6.58); depth of bill at base. 



1 Now in the British Museum collection. 



