500 BULLETIN 50, UNITP:D STATES NATIONAL MUSEUM. 



Geospiza r.onirostrls^ propliiqnn Rothschild and Hartekt, Novit. ZooL, vi, Aug., 

 1899, 159 (crit.; mea.sureinents of bill). 



GEOSPIZA DARWIN! Rothschild and Hartert. 

 CULPEPPER GROUND FINCH. 



Reseinbling- (r. eonlrost/'i-s, hut with the bill much largvr 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 slightly with bufly white, outer 

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

 rost7'is, but, unlike the other species of Geospiza, abruptly narrowed 

 3 millimeters from the tip, and elongated sharply 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 ])rown 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). 



Geospiza dariinni Rothschild and Hartert, Novit. Zool., \i, Aug., 1899, 158, pi. 



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

 {??) Geospiza conirostris suhsp.? JioTHi^cHiLU and Hartert, Novit. Zool., vi, 1899, 



160 (Culpepper I.). 



GEOSPIZA BAURI Ridgway. 

 BAURS GROUND FINCH, 



Resembling the smaller examples of G. coturostrls ("G. media^'')y 

 but with the l)ill deeper and broader at base, and culmen much more 

 strongly convex. 



Adult niale.—y^ing, 81.28; tail, 50.80; culmen, 20.32; depth of 

 bill at base, 17.27; tarsus, 23.62.' 



Galapagos Archipelago (James Island). 



' AVhile admitting the very close general resemblance of this bird to G. conirostris, 

 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 subs'pecies. 



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



Tour specimens. 



"•One specimen. 



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

 August, 1891, now in the Tring Mu.seum. 



