Vol. xix.] 53 



the ear-coverts and the top of the head pale brown (not dark 

 slate-grey) ; the lores and cheeks ochraceous-buff (instead 

 of dark slate-grey) ; the back light olive-brown (not dull 

 chestnut-brown) ; and the underparts of a much clearer 

 ferruginous colour. The tail is much shorter. Wing 67-70 ; 

 tail 50-54; bill 20-22 mm. 



Hab. Humaytha, on the left bank of the Rio Madeira, 

 Brazil. 



Type in the Tring Museum : ? ad.. No. 1067, 9. viii. 06. 

 Obtained by Mr. W, Hoffmanns. 



Obs. Five adult and two immature males and six females 

 were obtained in July, August, and September 1906. 



AnOPLOPS HOFFMANNSI, Sp. U. 



(J ad. Feathers of the forehead and lores rather stiff and 

 erect, those of the pileum lengthened, narrow, decurved, and 

 forming a distinct loose crest. Forehead, lores, and hind- 

 crown deep black ; feathers of the crest black, dull chestnut 

 at the base. Back, lesser and median upper wing-coverts 

 pale dull olive ; upper tail-coverts and greater wing-coverts 

 rather more rufescent olive-brown. Quills dusky, bright 

 russet on the outer webs ; innermost secondaries rufescent 

 olive-brown. Tail-feathers dark brown, slightly more ru- 

 fescent along the outer webs. Cheeks, malar region, throat, 

 and fore-neck pure white ; rest of the undersurface dull 

 slaty, abdomen and sides of the breast washed with olive- 

 brown. Under tail-coverts pale olive-brown, with a narrow 

 whitish apical margin. Axillaries and under wing-coverts 

 sooty-brown ; inner webs of the remiges broadly edged with 

 cinnamon. " Iris brown ; feet and bill black; a broad naked 

 ring round the eye light yellowish-green.^' Wing 81|- ; 

 tail 54; tarsus 27 ; bill 18^ mm. 



? ad. Differs from the male in having the forehead 

 and crest chestnut, the shaft of the feathers alone being 

 blackish. The back is bright olive-brown, the wings and 

 tail much more rufescent brown. The feathers of the upper 

 back as well as the wing-coverts are crossed by a broad 

 black subterminal bar followed bv a narrow cinnamomeous 



