296 Annals of the Carnegie Museum. 



by Mr. Cory for his Furnarius agnatus venesuelensis (Field Museum 

 Ornithological Series, I, 1913, 291), which is almost certainly a pure 

 synonym of agnatus. By analogy, the bird of Rio Hacha and Valle 

 de Upar would be the same, leaving the form from west of the Sierra 

 Nevada to be described as new. Both races prove on comparison to 

 be so close to F. leucopus Swainson that they should probably stand as 

 subspecies thereof, unless the circumstance of their isolation from that 

 form should be held to forbid such an arrangement. About the only 

 difference of any moment between the Santa Marta races (considered 

 together) and leucopus is in the color of the cap, which is decidedly 

 grayish in the former, but brownish in the latter. 



This bird was noted at several points in the valley of the Rio Ran- 

 cheria and Rio Cesar during the season of 1920, namely, Arroya de 

 Arenas, Badillo, Fonseca, and Valencia, but unfortunately no additional 

 specimens were secured. 



249. Furnarius leucopus exilis Todd. 



Furnarius agnatus (not of Sclater and Salvin) von Pelzeln, Ibis, 1881, 

 408, part (Santa Marta). — Sclater, Cat. Birds Brit. Mus., XV, 1890, 14, 

 part (Santa Marta). — Bangs, Proc. Biol. Soc. Washington, XII, 1898, 138 

 ("Santa Marta"). — Allen, Bull. Am. Mus. Nat. Hist., XIII, 1900, 159, 

 excl. syn. part (Bonda and Santa Marta). — Sharpe, Hand-List Birds, III, 

 1901, 47, part (range). — Allen, Bull. Am. Mus. Nat. Hist., XXI, 1905, 289 

 (Bonda; descr. nest and eggs). — Brabourne and Chubb, Birds S. Am., 

 I, 1912, 222, part (range). — Chapman, Bull. Am. Mus. Nat. Hist., XXXVI, 

 1917, 400 (Santa Marta [region]). 



Furnarius . leucopus var. agnata Dubois, Syn. Avium, I, 1900, 205, part 

 (range). 



Furnarius leucopus exilis Todd, Proc. Biol. Soc. Washington, XXXII, 1920, 

 74 (Fundacion; orig. descr.; type in coll. Carnegie Mus.). 



Twenty-seven specimens : Bonda, Cienaga, Mamatoco, Santa Marta, 

 Tierra Nueva, Gaira, Fundacion, and Tucurinca. 



In accordance with the foregoing considerations, it lias become 

 necessary to apply a new name to the Furnarius inhabiting the semi- 

 arid region in the vicinity of Santa Marta, and which is now known to 

 range for some distance westward along the coast, and up the valley of 

 the Magdalena River. Compared with agnatus, it is much more 

 richly colored throughout, and has a constantly shorter wing and bill, 

 the latter member averaging only about 21 mm. in adult males. It 

 has been met with by all the later collectors in this region, but has 



