320 Lord Brabonrne and Mr. C. Clmbb—^i lui/ to 



k'. Back sooty brown ; abdomen bright 



rufous . C. atricapillus. 



G. With bars on the upper surface, the bars 

 restricted to the lower back and tail. 

 g'. Back cliestuut-browu ; breast rufous ; 



abdomen barred with dark brown . . C. noetivat/us. 

 h'. Back rufous olive-brown ; breast grey ; 



abdomen bufly white C. stri(jnlosus 5 . 



i' . Back dark olive-brown ; breast and ab- 

 domen ochr.iceous brown C, columbianus. 



II. Entire back barred, but not the neck. 

 /*'. Bars narrow ; head black ; chest pale 



rufous C. variegatus varier/atus. 



i'. Bars broader ; head slate-grey. 



h" . Chest dull rufous C. variegatus himnculatus. 



i". Chest brownish C. variegatus salvini. 



I. Back olive with blackish bars. 



i'. Sides of face and chin rufous C. hrevirostris, 



k' . Sides of face dusky and chin white . . C. bartletti bartletti. 

 K. Back black barred with greenish olive . . C. bartletti caroli. 

 L. Back dark brown with pale buif bars. . . . C. cinnamomeus spencei. 

 M. Underparts for the greater portion rufous. 

 1)1 . Chest slate-grey, in contrast v.'ith the 



breast ; throat rufous C. dissimilis. 



n'. Cliest grey washed with rufous similar 



to the breast ; throat white C. erytJiropus. 



N. Under surface for the most part grey. 

 n'. Back uniform bright rufous-brown ; 

 fore-neck, breast, sides of body, and 

 axillaries pale ash-grey ; inner under 



wing-coverts paler C. strigitlvsus cJ . 



o'. Back dark brown with a wash of slate- 

 colour ; fore-neck, breast, sides of 

 body, and axillaries dark slate-grey ; 

 inner under wing-coverts darker .... C. hellmayri. 



Crypturus macconneUi , sp. n. 



Adult. Similar to C. cinereus, but distinguislied by liavitig 

 the liead rufous brown and the back sooty black. 



Total length 270 mm. ; culmen 29; wing 174; tail 40 ; 

 tarsus 55. 



Luc. Bonasica, British Guiana. 



Type in McConnell collection. 



Crypturus soui alhigularis, subsp. n. 



Adidt. Differs from C. soui soui in being olive-brown 

 above, including the back, wings, and tail, and having the 

 head and sides of the face dark grey, the throat white, and 

 the breast and al^domen ochraceous brown. 



Total length 240 mm. ; culmen 21 ; wing 137 ; tail 40; 

 taisus 37. 



Log. Ilio de Janeiro. 



Type in the British Museum. 



