302 Bulletin American Museum 0/ Natural History. [Vol. XXXVI, 



(1295) Vestipedes mosquera {Delatt. & Bourc). 



Trochilus mosquera Delatt. & Botnac, Rev. Zool., 1846, p. 306 (Pasto, Col.). 

 Eriocnemis mosquera bogotensis Habt., Nov. Zool., IV, 1897, p. 531 (Bogota). 



Inhabits the Temperate Zone of all three ranges. I can detect no racial 

 differences between an essentially tppotypical specimen of mosquera and 

 several Bogota skins. 



Andes w. of Popayan (10,340 ft.), I; Santa Isabel, 1. 



(1297) Vestipedes aurelise aureliae {Bourc. & Muls.). 



Trochilus aurelim Botmc. & Mtjls., Ann. Sc. Phys. et Nat. Lyon, IX, 1846, p. 315 

 (Bogotd). 



Eriocnemis aurelim Scl. & Salv., P. Z. S., 1879, p. 530 (Sta. Elena; MedeUin). 



Inhabits the Subtropical Zone of the Eastern Andes, and eastern slope 

 of the Central Andes. A specimen from Barro Blanco near the northern 

 end of the last-named range is typical. 



Barro Blanco, 1; La Candela, 9; San Agustin, 1; El Roble, 1; El Pinon, 

 1. 



(1298) Vestipedes aurelise caucensis (Simon). 



Eriocnemis aurelice caucensis Simon, Rev. Fran. d'Orn., 1911, p. 130 (San Antonio, 

 W. Andes, Col). 



Eriocnemis aurelice Hellm., P. Z. S., 1911, p. 1185 (Pueblo Rico, 5200 ft.). 



A common species in the Subtropical Zone of the Western Andes, and 

 western slope of the Central Andes. Our large series of this race confirms 

 its validity. In both sexes the abdomen is more extensively white than in 

 aureliae, and the anterior underparts are margined with whitish instead of 

 buffy. In the female, the tawny tinge on the white tibial tuft, present in 

 aurelioB, is wholly lacking in all but one of our specimens of caucensis. 



San Antonio, 18; Cerro Munchique, 1 ; Gallera, 2; Andes w. of Popayan, 

 1; Miraflores, 6; Salento, 3. 



(1305) Vestipedes derbyi longirostris {Hart.). 



Vestipedes derbyi longirostris Habt., Nov. Zool., II, 1895, p. 69 ("Bogotd"). 



Found by us only in the Temperate and Paramo Zones near the northern 

 end of the Central Andes. Comparison with the type of derbyi, and a 

 series from Ecuador, shows that all our birds should be referred to the form 



