510 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



black only on upper basal portion, the rest dark purplish brown; "iris 

 brown." 



Young male. — Similar to the immature male described above, but 

 margins of wing-coverts dull buffy, and bill light colored, the max- 

 illa dark brown basally, paler terminally and on culmen, the mandible 

 pale brownish buffy with a deep brown patch along deflected portion 

 of the tomium. 



ifo/e.— Length (skins), about 110.49-119.38; wing, 67.31-71.12 

 (69.09); tail, 40.64-4-5.47 (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 

 mandible at base, 7.11-7.87 (7.62); tarsus, 20.32-21.69 (21.08); middle 

 toe, 14.73-16.51 (15.24).' 



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

 18.03; gonys, 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 scandens Gould, Proc. Zool. Soc. Lond., pt. v, 1837, 7 (Galapagos 



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



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



Zool. Soc. Lend., ix, pt. ix, 1876, 485, part (James I.). — Shabpe, Oat. Birds 



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

 Clactomis'] scandens Bonaparte, Cohsp. Av., i, 1850, 542. 

 ICactornisI scandens Gray, Hand-list, ii, 1870, 89, no. 7307. — Sclatek and Sal- 



YiN, Norn. Av. Neotr., 1873, 29. 

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

 Geospim scandens Ridgway, Proc. U. S. Nat. Mus., xix, 1897, 534, pi. 57, fig. 2 



(monogr. ). 

 Geospiza scandens scandens Rothschild and Haktert, Novit. Zool., vi, Aug., 1899, 



164 (James I.; crit. ). 

 \_Tisserin de Oallapagos Nebohx, Rev. Zool., 1840, p. 291.] 

 ICactornis grimpeur Prevost et Des Murs, Voy. " V6nu8," Ois., 1855, p. 204.] 



GEOSPIZA SEPTENTRIONALIS (Rothschild and Hartert). 

 NORTHERN CACTUS FINCH. 



Similar to G. .scandens but bill very much smaller, and the plumage 

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

 coverts broadly margined with brownish cinnamon instead of whitish; 

 wing, 70.00-75.50; tail, 50.00; culmen, 14.50-16.50; tarsus, 21.00. 



Galapagos Archipelago (Wenman and Culpepper islands). 



Geospiza scandens septenlrionaKs Rothschild and Hartert, Novit. Zool., vi, Aug., 

 1899, 165 (Wenman 1., Galapagos; Tring Mus.). 



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

 "adult black 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. 



