1 878.] MR. F. MOORE ON THE &ITHOS1 1 1) AL. 21 



MlTHUNA, D. g. 



Wings short, rather broad. Fore wing arched, apex pointed ; first 

 branch of subcostal vein arising near end of the cell, short, oblique, 

 anastomosing with costal but free at its end ; second branch quadrifid, 

 the upper and lower branches starting together at one third beyond 

 the cell ; upper discocellular very short, lower curved inward ; radial 

 from lower end of upper discocellular ; two upper median branches 

 starting at half distance beyond the cell, lower branch straight from 

 one third before its end. Hind wing with subcostal and median 

 branches at nearly one half length beyond the cell. Body short. 

 Palpi small, pilose beneath. Antennae setulose. Legs smooth. 



Mithuna quadriplaga, n. sp. (Plate II. fig. 9.) 



Fore wing luteous brown, with a distinct dusky-brown median 

 transverse band, which is angled outward at end of the cell, a similar 

 band also crossing the disk ; outer margin with a series of dusky 

 spots, which also indistinctly cross the cilia : hind wing pale luteous 

 brown. Underside paler. Head and thorax brown. 



Expanse 1 inch. 



Darjiliug (Atkinson). In coll. Dr. Staudinger and F. Moore. 



Cossa, Walker. 



Cossa, Walk. Catal. Lep. Het. B. M. pt. xxxii. p. 232 (1864). 



Male and female. Wings somewhat broad. Fore wing arched along 

 the costa ; first subcostal branch short, very oblique, anastomosed to 

 costal, second free, third from end of the cell, trifurcate ; discocel- 

 lulars very oblique, angled at ends ; radial from upper angle ; two 

 upper median branches from one third beyond the cell. 



Type, C. basigera, Walk. /. c. 



S. India. 



Cossa ouadrisignata, n. sp. (Plate II. fig. 10.) 



Male. Fore wing dark purplish brown, with slightly paler streaks 

 along the veins ; costal border pale purplish cinereous, with two 

 prominent short black streaks ; a small spot at end of the cell : hind 

 wing and abdomen above pale brownish cinereous ; anal tuft slightly 

 ochreous ; thorax, head, abdomen beneath, and legs brown. Un- 

 derside pale cinereous brown ; middle of fore wing brown. 



Expanse 1^ inch. 



Darjiling (Atkinson). In coll. Dr. Staudinger. 



Cossa pallida, n. sp. 



Male. Pale greyish ochreous : fore wing with two prominent 

 short black broad streaks on the costa, the first subbasal, the other 

 slightly beyond the middle ; a short, narrow, black streak at end of 

 the cell : hind wing with a very indistinct dusky submarginal fascia. 

 Abdomen greyish, tuft ochreous. Underside pale yellowish ochreous ; 

 middle of fore wing ochreous brown. Legs greyish brown above. 



Expanse lj 1 ^ inch. 



Dharmsala (N.W. Himalaya). In coll. F. Moore. 



