500 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Oeospiza conirostris'^ propiiuinn Rothschild and Hartekt, Novit. Zool., vi, Aug., 

 1899, 159 (crit. ; measurements of bill). 



GEOSPIZA DARWINI Rothschild and Hartert. 

 CTJLPEPPER GROUND FINCH. 



Resembling G. conirostris, but with the bill much larger and heavier, 

 with the tip abruptly attenuated; the adult male with the rump olive 

 instead of black. 



Adult male. — " Intensely black; feathers on breast, abdomen, and 

 back slightly edged with olive; . . . olive rump; . . . under tail- 

 coverts whitish buff, secondaries tipped slightlj^ with buffy white, outer 

 edge of primaries olive. Bill compressed and rounded, like in G. coni- 

 rostria. but, unlike the other species of Geospiza, abruptly narrowed 

 3 millimeters from the tip, and elongated sharpl}' to a point. " ^ Wing, 

 82.00-86.00 (84.00); culmen, 23.00-24.00 (23.20); depth of bill at base, 

 17.00-20.00 (18.50); width of bill at base, 13.00-15.00 (13.70): gonys, 

 12.00-14.00 (13.20)." 



Adult female. — ''Head, neck, and throat black, slightly edged on 

 each feather with olive-buff, rest of body blackish, broadly variegated 

 with olive-buff, wings brown edged with dark buff."' Wing, 84.00; 

 culmen, 24.00; depth of bill at base, 19.00; width of bill at base, 

 15.00; gonys, 15.00. 



Galapagos Archipelago (Culpepper Island). 



Oeospiza darwini Rothschild and Hartert, Novit. Zool., vi, Aug., 1899, 158, pi. 



6, fig: 21 (Culpepper I., Galapagos; Tring Mus. ). 

 (V.) Oeospiza conirostris subsp.? Rothschild and Hartert, Novit. Zool., vi, 1899, 



160 (Culpepper I.). 



GEOSPIZA BAURI Ridgway. 

 BAtTR'S GROUND FINCH. 



Resembling the smaller examples of G. conirostris ("(?. media")., 

 but with the bill deeper and broader at base, and culmen much more 

 strongly convex. 



Adidt m,ale.~-Wmg, 81.28; tail, 50.80; culmen, 20.82;' depth of 

 bill at base, 17.27; tarsus, 23.62.* 



Galapagos Ai-chipelago (James Island). 



'While admitting the very close general resemblance of this bird to 0. eoniroslm, 

 I consider the different form of the bill an excellent specific character, and therefore 

 can not concur in its reduction to the rank of a subspecies. 



^From Rothschild and Hartert, Novit. Zool., vi, 1899, p. 158. 



'Four specimens. 



'One specimen. 



'^One specimen; the type. No. 562, Baur collection, James Island, Galapagos, 

 August, 1891, now in the Tring Museum. 



