510 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



black only <)?i upper basal portion, the rest dark purplish brown; *' iris 

 brown." 



Young male. — Similar to the innnature male descu'ibed above, but 

 marg-ins of wing'-coverts dull buti'v. and bill lig'ht colored, the max- 

 illa dark brown basally, paler terminally and on eulmen. the mandible 

 pale brownish butfy with a deep ))rown patch along deflected portion 

 •of the tomiuni. 



J/r/A.— Length (skins), about 11(».4H-119.88; wing. »iT.31-T1.12 

 (69.09); tail, 40.64-45.47 (42.42); culmen, 17.78-18.29 (17.78); gonys, 

 9.91-10.16 (10.16); depth of bill at base, 8.38-9.40 (8.89); width of 

 mandibleat base, 7.11-7.87 (7.62); tarsus, 20.32-21.59 (21.08); middle 

 toe, 14.73-16.51 (15.24).' 



Female.- — Length (skin), 109.22; wing, 67.31; tail, 40.13; culmen, 

 18.03; gOHA^s, 10.16; depth of bill at base, 9.14; width of mandible at 

 base, 7.62; tarsus, 20.83; middle toe, 14.99.' 



Galapagos Archipelago (James Island). 



Cactornis scandetis Gould, Proc. Zool. Soc. Lond., pt. v, 1837, 7 (Galapagos 

 Islands); Zool. Voy. "Beagle," iii, Birds, 1841, 104, pi. 42 (James I.).— Sun- 

 DEVALL, Proc. Zool. Soc. Lond., 1871, 124, part (James I.). — Salvin, Trans. 

 Zool. Soc. Lond., ix, pt. ix, 1876, 485, part (James I.). — Sharpe, Cat. Birds 

 Brit. Mus., xii, 1888, 19, part (James I.)- • 



(J.[artoriils} iS-c«»f/f;).y Bonaparte, Consp. Av., i, 1850, 542. 



[Cactorms'\ scanderis Gray, Hand-list, ii, 1870, 89, no. 7307. — Sclater and Sal- 

 vin, Norn. Av. Neotr., 1873, 29. 



G-leospiza'] scandens Ridgway, Proc. U. S. Nat. Mus., xvii, 1894, 361 (in text). 



Geospiza scandens Ridgway, Proc. IT. S. Nat. Mus., xix, 1897, 534, pi. 57, fig. 2 

 (monogr. ). 



(ieospiza scandens scandens Rothschild and Hartert, Novit. Zool., vi, Aug., 1899, 

 164 (James I.; crit. ). 



[Tisserin de Gallapagos Neboux, Rev. Zool., 1840, p. 291.] 



\_Cactonvis grimpevr Prevost et Des Miirs, \oy. "Venus," Ois., 1855, j). 204.] 



GEOSPIZA SEPTENTRIONALIS (Rothschild and Hartert). 

 NORTHERN CACTUS FINCH. 



Similar to G. scande/ts but ])ill very much smaller, and the plumage 

 of inmiature birds and adult females darker and browner, with wing- 

 coverts broadly margined with brownish cinnamon instead of whitish; 

 wing, 70.0i)-75.5(); tail. 50.00; culmen, 14.50-16.50; tarsus, 21.00. 



Galapagos Archipelago (Wenman and Culpepper islands). 



Geospiza scandens septentrional is Rothschild and Hartert, Novit. Zool., vi, Aug., 

 1899, 165 (Wenman I., Galapagos; Tring Mus.). 



' Seven specimens (five adults, one immature, one young). Measurements of 

 "adult l)lack males with black bills," as given by Messrs. Rothschild and Hartert, 

 are as follows: Wing, 70.00-72.00; culmen, 18.00-18.50. 



'^ One specimen. 



