42 Mr. C. E. Hellmayr on the 



the back. A narrow frontal band, superciliaries, sides of the 

 head, throat, chest, and sides of the body paler and duller 

 greenish than the upper-parts ; middle of breast, abdomen, 

 and under-tail-coverts bright clear yellow. Axillaries and 

 under- wing-coverts rather paler yellow, along the inner webs 

 of the quills a distinct yellowish white margin. Bill (in dried 

 skin) whitish, base of upper mandible plumbeous ; feet flesh- 

 coloured; iris silvery white (Robert, MS.). Wing 53; tail 

 261 . bill 10 mm. 



$ ad. (Bemavides, near Pani, 28th July; J. B. Steere coll.: 

 Mus. Tring). — Whole upper surface, including the head 

 above, bright green ; wings and tail as in the male. Sides of 

 the head, throat, chest, and sides of the body rather duller 

 greenish ; middle of breast, abdomen, and under-tail-coverts 

 bright yellow. Axillaries and under-wing-coverts paler 

 yellow, quills with a distinct yellowish white inner margiu 

 as in the male. Bill and feet as in the latter. 



The two females collected by Mr. A. Robert differ from 

 that above described in having the upper mandible pale 

 brown. Iris marked in one specimen (no. 2038) as " yel- 

 lowish white," in another "brown" (A. Robert, MS.). 

 Wing 53|-54 ; tail 26-29 ; bill 10 mm.* 



P. opalizans has a much broader and larger bill than 

 its nearest ally P. uaitereri, with the culmen more strongly 

 curved. 



18. PiPRA VIllESCENS. 



Pipra virescens Pelzeln, Zur Orn. Bras. ii. (1868) pp. 128, 

 187, descr. orig. [part., descr. <$ (nee ? !). — Barra do Rio 

 Negro] . 



Tyranneutes bracliyurus Sclater & Salvin, Ibis, 1881, 

 p. 269, descr. orig. [Bartica Grove, Brit. Guiana] . 



Pipra virescens Salvin & Godman, Ibis, 188 3, p. 208 (crit.) ; 

 Salvin, Ibis, 1885, p. 300 [Camacusa, Brit. Guiana]. 



Pipra virescens subsp. brachyura Sclater, Cat. Birds Brit. 

 Mus. xiv. (1888) p. 303 [Brit. Guiana]. 



Habitat. North Brazil, Lower Amazonia : Barra do Rio 

 Negro (Natterer coll.). British Guiana : Bartica Grove, 

 Camacusa, R. Carimang (H. Whitely coll.). 

 * Three specimens measured. 



