2i8 Field Museum of Natural History — Zoology, Vol. XIII. 



dhalybura] buffoni var. aeneicauda Simon, Mem. Soc. Zool., France, II, p. 219 



(Esteban). 

 Hypuroptila aeneicauda Boucard, Gen. Humming Bds., 1894-95, p. 323 (Puerto 



Cabella, Venezuela and "Valencia, Colombia"). 

 Chalybura buffonii aeneicauda Hellmayr and Seilern, Arch, fur Naturg., Ab. 



A, 5 Heft, 1912, p. 140. 

 Range: Venezuela, northern Colombia (Santa Marta region) and 

 eastern Panama. 



7 : Venezuela (Valencia 2 ; Maracay i^? ; Orope 3^) ; and ''Colombia" 



*Chalybura caeruleogaster {Gould). Blue-breasted Plumeteer. 



Trochilus {Glaucis?) caeruleogaster Gould, Proc. Zool. Soc. Lond., 1847, p. 96 

 (New Grenada). 



Hypuroptila caeruleogaster Gould, Mon. Trochil., II, 1854, pi. 91. 



Hypuroptila caeruleiventris Salvin, Cat. Bds. Brit. Mus., XVI, 1892, p. 88. 



Chalybura caeruleogaster Hartert and Hartert, Nov. Zool., I, 1894, p. 45, in 

 key; Ridgway, Bull. U. S. Nat. Mus., No. 50, V, 191 1, p. 387, in key; Chap- 

 man, Bull. Am. Mus. N. H., XXXVI, 1917, p. 293 (Buena Vista, Villa- 

 vicencio). 



Range: Colombia. 

 5: "Colombia." 



Chalybura intermedia Hartert and Hartert." Hartert's Plumeteer. 

 Chalybura intermedia Hartert (E. and C), Nov. Zool., I, 1894, p. 44 (between 



Pogio and Santa Rosa, western Ecuador); Ridgway, Bull. U. S. Nat. Mus., 



No. 50, V, 191 1, p. 388, in key. 

 Hypuroptila intermedia Boucard, The Humming Bird, V, 1895, p. 325. 



Range: Western Ecuador. 



*Chalybura urochrysa (Gould). Gould's Plumeteer. 



Hypuroptila urochrysa Gould, Proc. Zool. Soc. Lond., 1861, p. 198 (Panama?) ;<* 



Id., Mon. Trochil., II, 1861, pi. 90. 

 Hypuroptila urochrysea Salvin, Cat. Bds. Brit. Mus., XVI, 1892, p. 89. 

 Chalybura urochrysa Ridgway, Bull. U. S. Nat. Mus., No. 50, V, 191 1, p. 390; 



Hellmayr, Proc. Zool. Soc. Lond., 191 1, p. 1184; Chapman, Bull. Am. Mus. 



N. H., XXXVI, 1917, p. 293 (Alto Bonito; Barbaccoas, etc., crit.). 



Range : Panama and northwestern Colombia. 



2 : Colombia (Antioquia) i ; northern Ecuador (Cachibi) i . 



" An adult male collected by Dearborn in 1908 in Maracay, Venezuela, seems to 

 represent typical C. buffonii buffonii (Lesson). 



*^ Specimens from Orope, Zulia, Venezuela appear to be intermediate. 



" Chalybura intermedia Hartert and Hartert: Belongs in the group having 

 white untertail coverts and basal portion of under mandible pale, but differs in its 

 golden green throat and greenish blue abdomen. 



<* Cf. Hellmayr (I.e.) and Chapman (I.e.). 



