20 Annals of the South African Museum. 



Hindwing : Green with long white strigulse along inner and outer 

 margins, whitish green towards base and along costa ; cellspot 

 brown ; outer line marked by black vein-dots, followed by a bright 

 pink, round spot between veins 2 and 3 ; terminal lunules and fringe 

 as in forewings. 



Underside whitish green; the white strigulae, lines, and blotches 

 of upperside showing through ; cellspots blackish ; costa of forewing 

 ochreous dotted with fuscous ; the terminal lunules all darker and 

 clearer ; fringe fuscous grey. 



Head, antennae, palpi, and forelegs fuscous varied with rufous ; 

 thorax and dorsum fawn-grey ; the dorsum mixed with reddish, 

 and with pairs of black sublateral spots ; venter and pectus white. 



Expanse of wings, 45 mm. 



1 $ from Durban, Natal. 



The $ is larger, 50 mm., the pink blotch of forewing white, and 

 all the other white areas larger ; the hindwing altogether paler. 



PKOSOMPHAX, gen. nov. 



Forewing : Triangular ; costa straight, slightly shouldered at 

 extreme base, and curved before apex, which is prominent ; terinen 

 oblique and straight ; anal angle rounded ; frenulum slight. 



Hindwing: With apex and termen rounded; anal angle well 

 marked. 



Palpi upcurved, very short ; tongue slight ; antennae of $ bipecti- 

 nated to f ; hind tibiae with terminal spurs only. 



Neuration : Forewing, cell half as long as wing ; vein 2 from f Y 

 3 close before 4 ;. 5 from shortly below upper end of discocellular ;. 

 6, 10, 7, 8, 9 stalked, 9 rising close to apex; 11 anastomosing with 

 12 ; hindwing with costal approximated to subcostal near base, but 

 not touching ; veins 6, 7 short-stalked. 



Type : Prosomphax callista, Warr. 



2. PROSOMPHAX CALLISTA, spec. nov. 



Forewing : Bright deep green covered with minute white dots and 

 striolae ; costal edge in apical half pinkish grey; fringe concolorous. 



Hindwing : Silky greenish white ; the fringe deeper green. 



Underside of both wings uniform smooth green ; the inner 

 marginal half of forewing whitish green. 



Face ochreous dotted with green, pinkish above ; fore tibiae and 

 tarsi reddish in front ; vertex and thorax deep green ; abdomen 

 anally and laterally whitish ; the dorsum in basal half green ; 



