324 ptralidjE. 



slightly fringed in front, with a tuft of hair from extremity hiding 

 the 3rd joint, which is short and blunt; maxillary palpi filiform ;. 

 frons rounded. Antennae of male with a small tuft of hair in the 

 form of a vesicle from end of 1st joint, surrounded by a large 

 vesicle formed of nearly conjoined pectinations on the basal part 

 of shaft, which is then serrated for a short distance ; tegulae of 

 male with long tufts of hair extending beyond the metr thorax ; 

 the two basal segments of abdomen with long hair on dorsum ; 

 tibiae with the outer spurs about half the length of inner. Fore 

 wing with the costa arched towards apex ; the outer margin 

 obliquely rounded ; veins 3, 4, 5 from angle of cell ; 7 approxi- 

 mated to 8, 9 for about one-third length ; 10 also approximated 

 to 8, 9. Hind wing with vein 3 from angle of cell ; 4, 5 approxi- 

 mated for a short distance ; 6, 7 from upper angle, 7 anastomosing 

 with 8. 



4946. Deba surrectalis, Wlk. Cat. xxxiv, p. 1495 ; C. # S. no. 4164. 

 Phycidicera salebrialis, Snell. Tijd. v. Ent. xxiii, p. 228, & xxvii r 

 p. 37, pi. 3, fig. 6. 



3 . Brown suffused with fuscous ; the patagial tufts paler ; the 

 anal tuft black. Fore wing with sinuous antemedial black line ; 



the medial costal area pale : 

 a black speck in cell and 

 discocellular bar ; the post- 

 medial line black, straight 

 from costa to vein 2, then 

 retracted nearly to the cell ; 

 the cilia brown, white-tipped 

 Fig. 184.— Deba surrectalis, tf. \. near outer angle of fore wing 



and on hind wing. Underside 

 greyer, with the postmedial line represented by a sinuous series of 

 black specks nearer the margin. 



Hab. JSagas ; Ceylon ; Celebes. Exp. 30 millim. 



Genus CERATARCHA. 

 Ceratarcha, Sunnh. A. M. N. S. (6) xiv, p. 200 (1894). 



Type, G. umbrosa, Swinh. 



Range. N.E. India. 



Palpi upturned, the 2nd joint broadly and triangularly scaled 

 in front, the 3rd short, blunt, and naked ; maxillary palpi filiform ; 

 frons rounded ; antennae of male annulate ; tibiae with the outer 

 spurs half the length of the inner, mid tibiae somewhat roughly 

 scaled. Fore wing with the costa arched towards apex ; the outer 

 margin excised below apex ; veins 3 and 5 from close to angle of 

 cell ; 7 and 10 approximated to 8, 9. Hind wing with the outer 

 margin excised below apex ; the cell short and veins 4, 5 approxi- 

 mated for a short distance ; 6, 7 from upper angle 7 anastomosing, 

 with 8. 



