Mr, J. ]{. ^lallocli on E.wt'ic ]\Iuscuridie. GG5 



Hind ti'oia curved and with two series of long 

 fine outstanding- bristles, one on the apicul 

 two-thirds of untero-ventral and the otht-r 

 on the apical two-thirds of postero-ventral 

 surface ; hind femur with three or four of 

 the bristles on the apical third of antero- 

 ventral surface much longer than its 

 diameter and a tine hair near base on 

 ventral surface anthrax, Meig. 



Hind tibia straight, with a few long sub- 

 decumbent setulose hairs on apical half of 

 antero-ventral and postero-ventral surfaces ; 

 none of the bristles on apical fourth of 

 antero-ventral surface of hind femur notice- 

 ably longer than the femoral diameter, one 

 or two short straight bristles near base 

 below nigra^ Wied. 



Key to Females. 



Palpi rufous-yellow ; frontal triangle extending 



broadly to anterior margin of interfrontalia, 



truncate or broadly rounded at anterior 



extremity ; postero-dorsal bristle on hind 



tibia much longer than the other median 



bristles, situated well beyond middle ; 



thorax without outstanding presutural 



acrostichal bristles cetiescens, Wied. 



Palpi black ; frontal triangle not extending to 



anterior margin, if so then its anterior 



extremity is acutely pointed ; postero-dorsal 



bristle on hind tibia not longer than the 



other median bristles and situated at or 



very close to middle 2. 



Frontal triangle extending to anterior margin 



of interfrontalia, heavily chitinised to apex ; 



hind tibia with three or four antero-ventral 



bristles ; anterior sterno-pleural bristle 



minute or absent anthrax, Meig. 



Frontal triangle not extending to anterior 



margin of interfrontalia, if almost so its 



anterior extremity is very poorly chitinised 



and subopaque ; anterior sterno-pleural 



bristle distinct though smaller than the 



posterior one , . 3. 



Frontal triangle broad, at the point of insertion 



of the cruciate bristles well over three times 



as wide as orbits at insertion of the for- 



wardly-directed supraorbital, the latter 



minute ; hind femur with three very short 



preapical antero-ventral bristles ; hind tibia 



without an antero-dorsal median bristle ; 



margins of lower calyptra white nigra, Wied. 



Frontnl triangle less than three times as wide 



as orbits at insertion of lower supraorbital 



bristle, the latter strong but short ; hind 



