218 



FORMICARIIDJE. 



Above plumbeous ; wings and tail black, all the wing-coverts, 

 secondaries, lengthened tail-coverts, and tail-feathers terminated 

 with large rounded spots of clear white : beneath paler plumbeous, 

 whiter on the throat and middle of the belly ; bill corneous ; feet 

 brown : whole length 5-2 inches, wing 2-7, tail 1*2. Female. Above 

 brown, wings and tail black, spotted as in the male, but spots 

 fulvous : beneath paler, throat whitish. 



Hab. Upper Amazonia. 



a,b. (S 2 ^d. sk. Eastern Peru. 



c. 2 ad. sk. 



d. (S ad. sk. 



c. 5 ad. sk. 

 f,ff. cJ $ad. sk. 



E. Peru. 



Xeberos, Peruvian Amazons 



(Bartktt). 

 Chamicuros, Peruvian Amazons 



{Bart left). 

 Chamicuros, Peruvian Amazons 



(Hau.vwell). 



7. NEOCTANTES. 



Sclater Coll. 

 (Types of the species.) 

 Purchased. 

 Salvin-Godman Coll. 



Salvin-Godman Coll. 



Gould CoU. 



Type. 



Neoctantes, Scl. P. Z. S. 1868, p. 572 N. niger. 



Head, wing, and foot of Keoctantes nigcr. (P. Z. S. 1868, p. 572.) 



This monotype is at once distinguishable by its upturned gonys 

 and the uniform black coloration of the male. Katterer met -with 

 it in the Rio Negro district, whence it seems to extend into 

 Eastern Ecuador. 



1. Neoctantes niger. 



Xenops niger, Feh. Sitz. Ak. Wins. Wien, xxxiv. p. Ill (1859). 

 Pteroptochus niger, Felz. Orn. Bras. p. 46. 



Neoctantes niger, Scl. P. Z. S. 1868, p. 571 ; Scl. et Sale. Komencl. 

 p. 71. 



