186 MESSRS. SCLATER AND SALVIN ON BIRDS [Mar. 27, 



ornata. In Sclater's collection is an adult male collected by Natterer 

 at Marabitanas, in May 1831. 



85. Myrmotherula axillaris (Vieill.). 

 Hab. Upper Ucayali. 



86. Myrmotherula mel^na, Sclater. 

 Hab. Lower Ucayali. 



87. Myrmotherula hawxwelli, Sclater. 

 Hab. Upper Ucayali and Nauta. 



88. Cercomacra cinerascens, Sclater, P. Z. S. 1857, p. 131. 



Two examples from Sarayacu. Sclater's skin from tbe Napo, 

 referred to tbis species in his American Catalogue (p. 184), is, no 

 doubt, different, and will require a new name. 



89. Pyriglena serva, Sclater. 

 Hab. Upper and Lower Ucayali. 



90. Percnostola funebris (Licht.). 

 Hab. Nauta. 



91. Hypocnemis cantator (Bodd.). 

 Hab. Upper Ucayali. 



92. Hypocnemis pcecilonota, Cab. 



Hab. Sarayacu. 



A single female of tbis species — tbe first example of this sex we 

 have seen. 



93. Hypocnemis melanopogon, Sclater. 

 Hab. Cashaboya. 



94. Hypocnemis melanura, sp. nov. 



<$ . Schistacea, capite cum gutture colloque toto, alis et cauda 

 nigris : alarum tectricibus albo limbatis ; campterio et tectri- 

 cibv.s subalaribus albis : rostro nigro, pedibus plumbeis : long, 

 tota 4 - 5, alee 2*5, cauda 1*5, tarsi 0'9. 

 5 . Brunnea, alarum tectricibus nigricantibus, albo marginatis : 

 subtusfidva, gutture medio et ventre medio pure albis : rostro 

 inferiore albicante. 

 Hab. in ripis fl. Ucayali sup. 



Obs. Affiuis sp. praec. sed tarsis longioribus et capite caudaque 

 omnino nigris distinguenda : differt a H. schistacea, Scl., pileo nigro 

 et tectricibus alarum albo marginatis nee punctatis. 



Mr. Bartlett's collection contains a single pair of this species — the 

 male from Cashaboya, the female from the Upper Ucayali. 



95. Hypocnemis hemileuca, sp. nov. 



c? . Supra atra, macula dorsi celata alba: dorsi postici plumis 



