Genus Thamnophilus, Vieillot. 2-41 



24. Thamnophilus leuchauchen, Sclater. 



Thamnophilus leuchauchen, Sclater, Pr. Zool. Soc. 1855, 



Jan. 23. 



$ pileo cristato cum lateribus capitis et gutture antico ad 

 medium pectus nigris ; nucha cervice laterali et corpore subtus 

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

 batis ; rectrice una utrinque extima in pogonio externo medio 

 et omnibus apice albo maculatis; rostro et pedibus nigris. Long, 

 tota 6*4, alse 2-8, caudse 2-5. 



$ crista ferruginea ; subtus ocbracea, gutture nigro striato, 

 lateribus capitis et nucha ochraceis albo mixtis. 



Hab. Eastern Peru, Camuchurros (Gould.) 



My specimens of this Thamnophilus were purchased of 

 Parzadaki of Paris, and are marked " Rio Nigro." Mr Gould's 

 collection contains a female example from Camuchurros. It 

 may be distinguished from the preceding species by the slightly 

 inferior size, and weaker bill, by the bright white sides of the 

 neck and under-parts, which are ash-coloured in the Th. 

 atricapillus, the more chestnut-coloured tinge of the brown 

 back, and the termination of the black below upon the breast 

 instead of reaching down to the middle of the belly. 



25. Thamnophilus albinuchalis, Sclater. 



Thamnophilbus albinuchalis, Sclater, Pr. Z. S., 1855, Jan. 



23. 



$ supra murino-brunneus ; nucha alba; dorso medio albo 

 mixto ; capite summo cristato nigro ; alis fuscis, tectricibus 

 albo limbatis ; cauda nigra, rectricum omnium apicibus et 

 unse utrinque extimae margine externo albis ; subtus albus ; 

 gutture et pectore antico nigris ; capitis lateribus albo mixtis. 

 Long, tota 6'5, alse 3*2, cauda? 2-5. 



2 supra brunnescentior capite et cauda tota rufo-ferrugineis ; 

 nucha et corpore infra ochraceis. 



Hab. Guayaquil (Capt. Kellett in Mus. Brit.); island of Puna 

 (Barclay in Mus. Brit.). 



The British Museum contains the only examples I have 

 seen of this Thamnophilus, which seems to take the place of 

 the preceding species on the shores of the Pacific. It may be 



