644 NOCTUID^. 



W. Barnes ; the palpi are said to be upturned to middle of frona 

 which has a rounded prominence with corneous plate below it ; 

 tibiae not spined ; hind wing with veins 3, 4 stalked. 



Genus ACANTHOFRONTIA, nov. 



Type, A. lithosiana. 



Proboscis aborted, minute ; palpi very short, porrect, slightly fringed with 

 hair below ; frons with corneous prominence with raised walls, and long spine 

 from lower edge, and corneous plate below it ; eyes large, round ; antennce of 

 male almost simple ; thorax smoothly clothed with scales and hair mixed and 

 without crests ; build slender ; tibiffi smoothly scaled, the fore tibia with more 

 or less developed curved claw at extremity on outer side ; abdomen without 

 crests. Fore wing long and narrow, the apex somewhat produced, the termen 

 evenly curved and not crenulate ; the cell long ; veins 3 aud 5 from near angle 

 of cell, or 4, 5 stalked ; 6 from upper angle or stalked with 7, 8, 9 ; 7 from 

 beyond 9 ; 10, 11 from cell. Hind wing with veins 3, 4 strongly stalked; 

 5 almost obsolete from middle of discocellulars ; 6, 7 strongly stalked ; 

 8 anastomosing with the cell to middle. 



5979. Acantliofrontia lithosiana, n. sp. 



S . Head and tegulce yellowish white ; a blackish band between 

 antennae, which are black ; thorax greyish white ; pectus and legs 

 yellow and white, the legs fuscous above ; abdomen orange banded 

 with fuscous. Fore wing with the costal area to median nervure 

 and vein 6 white, the rest of wing grey ; a black fascia on costa 



Fig. 177. — Acantliofrontia lithosiana, S- \- 



from middle to apex ; a small semicircular black mark usually 

 present in cell above origin of vein 2 and two on discocellulars 

 nearly forming a small annulus ; the inner margin and cilia yellow. 

 Hind wing white ; the costal area yellow and fuscous ; cilia 

 yellowish. 



Hah. Br. E. Africa, Athi-ya-Mawe (Befton), 3 J type, Exp. 

 30 millim. 



Genus MONOCYMIA, nov. 



Type, M. harmina. 



Proboscis fully developed ; palpi upturned, the 2nd joint reaching to middle 

 of frona and smoothly scaled, the 3rd moderate ; frons smooth ; eyes large, 

 roimd ; antenna of female minutely ciliated ; thorax clothed with hair and 

 scales mixed, the prothorax without crest, the metathorax with depressed 

 crest ; tibia?, moderately fringed with hair ; abdomen without crests. Fore 



