210 



P. Z. S. 1855, p. 69. pi. 83 ; Sclater, Edinb. N. Phil. Journ. i. p. 233; 

 P. Z. S. 1856, p. 142, et 1857, p. 203. 



$ . Niger, subtus albus ; tectricibus alarvm albo marginatis ; 



cauda nigra immaculata. 

 $ . Rufa, subtus alba. 



Long, tota 8 - 5, alse 3 -7, cauda? 3-3. 



Hab. Eastern Peru (Tsch.) ; River Ucayali (Hauxwell) ; New 

 Granada, Bogota ; Panama, Chiriqui (Bridges) ; S. Mexico, prov. 

 Vera Cruz (Salle) ; Rio Napo. 



Mus. Brit. 



7. Thamnophilus transandeanus. 



Thamnophilus transandeanus, Sclater, P. Z. S. 1855, p. 18 ; Edinb. 

 N.Phil. Journ. i. p. 233. 



3 . Niger, subtus albus : tectricibus alarum et crisso nigris albo 

 marginatis : cauda nigra, rectricibus duabus utrinque extimis 

 macula parva terminali alba prceditis. 



Long, tota 8 - 0, alse 3*7, cauda? 3-2. 



Hab. Guayaquil (Barclay). 



Mus. Brit. 



8. Thamnophilus corvinus. 



Thamnophilus corvinus, Gould, P. Z. S. 1855, p. 69 ; Ann. N. II. 

 ser. 2. xv. p. 345 ; Sclater, Edinb. N. Phil. Journ. i. p. 234 ; P. Z. S. 

 1858, p. 65. 



3 . Ater : campterio summo niveo. 

 Long, tota 7*0, alse 3*5, caudse 2*5, rostri a rictu 1*0. 

 Hab. Eastern Peru, River Ucayali (Hauxwell) ; Ecuador, Rio 

 Napo. 



Mus. Brit., P. L. S. 



9. Thamnophilus melanoceps. 



Thamnophilus melanoceps, Spix, Av. Bras. ii. p. 28. pi. 39. f. 1 ; 

 Sclater, P.Z.S. 1857, p. 133, et 1858, p. 65. 



Saturate ferrugineus, subtus magis cinnamomeus, capite toto cum 

 gutture nigris. 



Long, tota 6 - 5, alse 3*2, cauda? 2 - 4, rostri a rictu 1*0. 



Hab. Sarayacu on the Ucayali (Cast, et Dev.) ; Eastern Ecuador, 

 Quixos. 



Mm. Paris., P.L. S. 



This is very likely to be the female of the preceding species ; but 

 the dimensions of my specimens of each do not quite agree, and I 

 am afraid to unite them until I obtain further evidence on the sub- 

 ject, 



10. Thamnophilus melanothorax. 

 Thamnophilus melanothorax, Sclater, P. Z. S. 1857, p. 133. 

 Supra intense castaneus, remigibus alarum intus nigricanti-brun- 



