276 FORMICAKIID^. 



rt, 6. c? 2 ad. sk. Cayenne. Sclater Coll. 



c,d. cJad. ;f,/. Cauiacusa, Brit, (iuiana Salvin-Godman Coll. 



$ad. sk. {Whitehj). 



g. cf ad. sk. Brazil (?). Salvin-(4odman Coll. 



2. Heterocnemis leucostigma. 



Percnostola leucostigma, Telz. Orn. Bras. pp. 80, 160. 

 Heterocnemis leucostigma, Salv. Ibis, 1885, p. 4:27 (Brit. Guiana). 

 Heterocnemis simplex, Scl. P. Z. 8. 1868, p. 573 (Surinam) ; Hcl. et 

 Salv. Nomend. p. 73. 



Above dark plumbeous ; winf^s and tail black, with rounded 

 white apical spots on the wing : beneath uniform pale plumbeous, 

 I'athcr lighter in the middle line ; bill above blackish : beneath 

 whitish ; feet brown : whole length 5-8 inches, wing 2-7, tail 2-3. 

 Female. Above brown ; head cinereous ; wings and tail blackish ; 

 wing-coverts terminated by round fulvous spots : beneath clear 

 ferruginous-red. 



Hah. Guiana, Amazonia, and Colombia. 



Graf V. Berlepsch has identified my Heterocnemis simplex with 

 Pclzeln's Percnostola lemosiigma, no doubt correctly (<f. Salvin, 

 I. s. c). 



a. c? ad. sk. Surinam {Barth-tt). Sclater Coll. 



(Type oi H. simple.v.) 



b. $ ad. sk. Surinam (Kappler). Sclater Coll. 



c d c? 2 ad. ; e. Bartica Grove, Brit. Guiana Salvin-Godman Coll. 

 ' j jr. sk. ( imtcl!/). 



f. (S ad. sk. Bartica Grove, Brit. Guiana Sclater Coll. 



( Whitehj). 

 g S ad. sk. Camacusa, Brit. Guiana Salvin-Godman Coll. 



{Whitehj). 

 h. 2ad.sk. Camacusa, Brit. Guiana Sclater Coll. 



( Whitely). 

 i,J. i5 2ad-sk. Takutu R., Brit. Guiana Salvin-Godman Coll. 



(JVhiteh/). 

 k. 2 ad. sk. Xeberos, E. Peru (Bartlett). Sclater Coll. 



I. 2 ad. sk. Sarayacu, Ecuador (5!/c^-%). Salvin-Godman Coll. 



»H, n. J 2 ad. ; Bogota. Salvin-Godman Coll. 



o. (S jr. sk. 

 j>. 2 ad. sk. Bogota. Sclater Coll. 



3. Heterocnemis saturata. 



Heterocnemis saturata, 8alv. Ibis, 1885, p. 4:27 (Roraima). 



Similar to //. leucostigma, but altogether darker ; lower surface 

 scarcely lighter than the back. 

 H(tb. Eoraima district of Guiana. 



a,b. cJ2ad.sk. Roraima, Brit. Guiana (Jf'^iVe/y). Salvin-Godman Coll. 



(Types of the species.) 



