BOMBYCID^E. 31 



with the basal half of both wings black, more or less streaked with 

 brown on costa of both wings and beyond cell and on inner margin 

 of fore wing. 



The form conchifera is slightly paler than typical wallichii. 



The form rafescens has the whole basal area of the fore wing 

 below pale. 



Hob. Nepal ; Sikhirn ; Khasi Hills ; Assam ; Upper Burma. 

 Exp. 150-170 millim. 



33. Brahmaea hearseyi, White, Proc. Ent. Soc. 1861, p. 26. 



Brahiuaea whitei, Bull. III. Het. v, p. 02, pi. 95, tigs. 1, 2 ; C. $ S. 

 n. 1580. 



cJ . Differs from wallichii in the abdominal markings of the upper- 

 side being narrow black and white bands ; the ground-colour of 

 both wings paler ; the subapical white lunules are joined into 

 waved white lines, one or two of those nearest the base having 

 black lines inside them. Hind wing with pale streaks between the 

 veins from inner margin to vein 6. 



Hob. Mussooree; Sikhim ; Burma. Exp. 116-170 millim. 



The following species formerly recorded as Indian is omitted. 

 Brahmcea certhia, Fabr., C. & S. no. 1576, is from China. 



Family BOMBYCIDJE. 



Proboscis absent : palpi rather small or absent ; antennae bipec- 

 tiuated in both sexes ; legs hairy, without spurs. Frenulum absent ; 

 vein 5 of both wings from, or from above, the middle of the disco- 

 cellulars ; veins 7, 8, 9 of fore wing generally more or less bent 

 downwards ; vein 1 a forming or not forming a fork with 1 6 ; 1 c 



Fig. 16. Larva of Ocinara fiiqnifera. f. (From Hut ton, Trans. Ent. Sos. 

 18154, pi. 19, fig. 6.) 



absent or present. Hind wing with two or three internal veins ; 

 vein 8 arising from the base of 7, or free from the base with a bar 

 between them ; the inner margin irregular and in part turned 

 over. 



Larva elongate and not hairy ; dorsal humps on some of the 

 somites, or a horn on the terminal somite, or paired dorsal spines. 



Cocoon formed of fine silk, of great commercial value in some 

 species. 



