1744 CATALOGUE OF 



Male. Body slender. Frontal tuft prominent, rounded. Pro- 

 boscis long. Palpi rostriform, very pilose, slightly ascending, as 

 long as the breadth of the head ; third joint elongate-conical, not 

 more than half the length of the second. Antenna? very slightly 

 pectinated. Abdomen not extending beyond the hind wings ; 

 apical tuft very small. Legs long, slender, smooth; hind tibiae 

 with four long spurs. Wings elongate. Fore wings acute ; costa 

 straight; exterior border slightly convex, very oblique. Hind wings 

 slightly acuminated; interior angle much rounded. 



Allied to Chesias. 



Arcina fulgorigeba. 



Mas. Schistaceo-cinerea ; thorax antice pallidior ; alee antiece 

 striga basali nigra, lineis duabus nigris valde dentatis argenteo 

 et ochraceo marginalis, strigis submarginalibus nigris, strigis 

 marginalibus nigris et argenteis ; posticce pallidiores, lituris 

 nullis. 



Male. Slaty cinereous. Thorax in front, abdomen, hind wings 

 and under side paler. Fore wings with a black basal streak and 

 two most deeply dentate black oblique lines, which are mostly 

 bordered with silvery white and with ochraceous, the latter hue 

 diffuse; the lines remote from each other in front; submarginal 

 and marginal streaks black, the latter alternating with broader 

 silvery streaks. Hind wings without markings. Length of the body 

 7 lines ; of the wings 20 lines. 



a. West Australia. From Mr. Clifton's collection. 



Genus MAECODAVA. 



Mas. Corpus gracile. Proboscis longa, gracilis. Palpi por- 

 recti, lseves, caput paullo superantes, articulo 3o minimo. Antennae 

 longa?, subpectinata?. Abdomen gracillinium, alas posticas non 

 snperans. Pedes laeves, graciles ; calcaria parva. Ala? elongatse ; 

 antica? vix acuta?, margine exteriore subconvexo. 



Male. Body slender. Proboscis long, slender. Palpi porrect, 

 smooth, extending a little beyond the head ; third joint extremely 

 small. Antenna? long, slightly pectinated. Abdomen very slender, 

 not extending beyond the hind wings. Legs smooth, slender; 

 hind tibia? with four short spurs,' the pairs remote from each other. 

 Wings elongate. Fore wings hardly acute; costa straight ; exterior 

 border slightly convex, rather oblique. 



