LEPIDOPTERA. 299 



Proboscis of moderate length. 



Legs covered with minute scales. 



Abdomen moderately slender, extending beyond the hind-wings. 



Fore-tvings long ; anterior margin slightly convex ; exterior margin 



oblique, rounding to base of posterior margin. 

 Hind-wings somewhat trigonate, anal angle rather truncated. 



686. TRIPURA PRASENA, Moore {Plate Vila, fig. 6) . 



Tripura Prasena, n. sp. — Dull white ; fore-wing, with the veins, 

 and broadly along the costal and posterior margins, extremity of 

 discoidal cell, and along the apex and cilise, dark purple-brown ; 

 hind-vjing, with the apex and the veins from thence and cilise, purple- 

 brown ; antenna?, legs, tip of palpi above, head, thorax, and extremity 

 of abdomen, metallic blue-green ; base of abdomen, purple-brown ; 

 prothorax, palpi, and body beneath, yellow. Expanse 2iin. 



a. b. N. India. Presented by Col. Buckley. 



Genus VITESSA, Moore. 



Antennae minutely pectinated to two-thirds the length, tip filiform. 

 Palpi ascending, much longer than the head ; first joint short, second 



and third joints of equal length ; second joint thick, third joint 



linear. 

 Proboscis moderately long. 

 Legs covered with minute scales. 

 Abdomen long, attenuated at the base, with large tufted anal 



appendage. 

 Fore-wings long ; anterior, exterior, and posterior margins nearly 



straight ; exterior margin slightly oblique. 

 Hind-wings somewhat trigonate, anterior margin nearly straight, 



apex and exterior margin rounded. 



687. VITESSA SURADEVA, Moore (Plate Vila, fig. 7). 



Vitessa Suradeva, n. sp. — Male, white ; fore-wing yellow at the 

 base, with four basal spots disposed in two transverse rows, a patch 

 across the middle of the wing which incloses a white spot, and 

 broadly along the veins to the exterior margin glossy black ; Mnd- 

 wing, with anterior margin narrowly and outer margin broadly, black ; 

 antenna?, third joint of palpi, and spots on the thorax, black ; head, 

 thorax, a large abdominal tuft, first and second joint of palpi, and 



