216 



Similis T. atricapillo, sed caudte rectricibns maculis cdbis regu- 

 lariter transfasciatis. 



Hub. South-eastern Brazil (Max). 



Mus. Paris. 



In my Draft Arrangement of this genus I erroneously united this 

 species to the preceding. I have only seen the example in the Paris 

 Museum. 



26. Thamnophilus leucauchen. 



Thamnophilus leucauchen, Sclater, P. Z. S. 1855, p. 18. pi. 79; 

 Edinb. N. Phil. Journ. i. p. 241. 



3 . Pileo cristato cum lateribus capitis et gutture antico ad me- 

 dium pectus nigris ; nucha, cervice laterali et corpore subtus 

 albis; dorso murino-brunneo ; alis caudaque nigris albo limbatis; 

 rectricis unee utrinque extimce pogonio externo medio et omnium 

 apicibus albo maculatis ; rostro et pedibus nigris. 



$. Crista ferruginea ; subtus ockracea, gutture nigro striato, 

 latei'ibus capitis et nucha ochraceis nigro mixtis. 



Long, tota 6"4, alse 2-8, caudae 2*5. 



Hab. Eastern Peru, Upper Amazon (Hauxwell). 



Mus. P.L. S. 



Distinguished from T. atricapillus by the white sides of the neck, 

 brighter-brown back and the termination of the black below at the 

 breast, instead of being produced over the middle of the belly. 



27. Thamnophilus albinuchalis. 



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

 N. Phil. Journ. i. p. 241. 



<$ . Supra murino-brunneus ; nucha late alba ; dorsi medii pennis 

 albo mixtis ; capite summo cristato nigro ; alisfuscis, tectrici- 

 bus albo limbatis j cauda nigra, rectricum omnium apicibus et 

 unee utrinque extitnce margine externo albo maculatis ; subtus 

 albus ; gutture et pectore antico nigris ; capitis latei'ibus albo 

 mixtis. 



2 . Supra brunnescentior, capite et cauda tota rufo-ferrugineis ; 

 nucha et corpore infra ochraceis. 



Long, tota 6"5, alse 3*2, caudee 2*5. 



Hab. Guayaquil (Kellett) ; Island of Puna (Barclay). 



Mus. Brit. 



Obs. Species a Thamnophilo atricapillo nucha alba et colore cor- 

 poris inferi albo nee schistaceo, a Thamnophilo leuchauchene dorso 

 albo mixto, crassitie majore, et nucha candidiore distinguenda. 



28. Thamnophilus melanonotus. 



Thamnophilus melanonotus, Sclater, P. Z. S. 1855, p. 19. pi. 80; 

 Edinb. N. Phil. Journ. i. p. 242. 



cJ . Supra niger ; interscapular ibus albo mixtis; dorso postico 

 cinereo : alis nigris albo marginatis ; cauda nigra, rectricum 

 omnium apicibus et extimce utrinque lateralis etiam pogonio ex- 



