( 160 ) 



These birds agree with others from British Gniana and the Orinoco River. 

 As a rule the females from British Guiaua may have the dorsal feathers more 

 imiform, less spotted with black and less margined with fulvous than those from 

 other localities. 



Cayenne (Mus. Vindob., <? ? , ex Becoenr). 



262. Hypocnemis melanopogon Scl. 



IJypocnemis mclauopngnii Sclater, P.Z.S. 1857. p. 130 (descr. orig. ^ ad. ex Guiana — cf. Cat. Call. 



Am. B. p. 18S. No. 1151a. excl. speciin. ex Chamicuros, qui = H. macuUvauiUi Pelz. — typ. in 



Mus. Brit.). 

 Mijrmoborus ohsairus Cabanis et Heine, Mux. Hein. ii. (It) July, 1859) p. 'J. descr. av. jr. ex Cayenne 



— typ. in Mus. Hein. examin. — H. v. B.). 



Approuagne : 1 c? ad., December 8 ; 2 ? ? ad., December 10 (two), 1902. 



" Iris cinereous, feet plumbeous, bill above black, below slate-black (plum- 

 beous)." 



Nos. 1066, lO'JO, 1106. 



c? ad. : al. 62^; caud. 36| ; culm. 17;^; tars. 19f mm. 



? ? ad. : al. 62i ; caud. 38— 36i ; cnlm. 1()J ; tars. 20i— 19J mm. 



[Cayenne (Sclater collection in Mus. Brit.), Mus. Hein. ; Oyapoc (Sclater 

 collection in Mus. Brit.).] 



263. Sclateria naevia (Gml.). 



Sitta lUHina Gmelin, Syst. Nat. ed. xiii. i. 1 (1788) p. 442 (ex Edwards, PI. 34fi.— typ. ex Suri- 

 nam) (J. 



Approuague: 2 Si ad., December 10, 19 ; 1 ? ad., December 8, 1902. 

 Ipousin, R. Approuague: 1 ? ad., Decemlier 28, 1902. 



" Iris drab (' drab-brown "}, feet dusky (' dusky flesh-colour '), bill above black, 

 below slate-black (' slate-grey ')." 



<S (? ad. : al. 71 J— 07i ;' caud. 51 J— 48J ; culm. 23f— 23i ; tars. 25|-23| mm. 

 ? ? ad. : al. 69— 6.5J ; caud. 50— 48J ; culm. 23i— 23 ; tars. 25J— 24i mm. 

 Nos. 1064, 1091, 12775, 12871. 

 [Cayenne (Sclater collection) in Mus. Brit.).] 



264. Sclateria leucostigma (Pelz.). 



Percnoslola hucostigma Pelzeln (ex Natterer & Lafresnaye MS.), Zur Oni. Bras. ii. (1868) pp. 86, 

 160 (hab. Cayenne, Rio Negro, Marabitanas, Rio Vaup^, Barra do Rio Negro— hab. typ. select. 

 Barra — typ. in Mus. Vindob.). 



Ileterocnemis simplex Sclater, P.Z.S. 1868 (publ. 1809) typ. ex Surinam. 



Ipousin, R. Approuagne : 1 c? ad., January 5, 1903 ; c? ? fere ad., December 24, 

 1902 ; 1 ¥ ad., January 5, 1903. 



" Iris grey (' seal '), feet greyish flesh (' pale greyish flesh '), bill above black, 

 below slate-grey." 



Nos. 12798, 13008, 13005. 



S ad. : al. 67| ; caud. 59i ; culm. 21 ; tars. 2^ mm. 



¥ ad. : al. 06i ; caud. 57A ; culm. 20| ; tars. 20 mm. 



These specimens agree perfectly with Polzelu's type specimen from tlie Rio 

 Negro and with others from Bartica Grove, Brit. Guiaua, in Mus. H. v. 1!. 



[Cayenne {6 in Mus. Vindob. ex Becoeur), Oyapoc, St. George, March 13, 1869 

 (Jelski leg.) in Mus. Vindob.] 



