TERIAS. 35 



Under side of secondaries wine red, two small blackish discoidal 

 points, and a transverse, undulate, brownish, interrupted band. 



The female is destitute, or nearly so, of the black longitudinal 

 band, and of the marginal, marigold line. The base is sprinkled 

 with blackish. 



Larva, which feeds on Trifolium, Cassia, and Glycine, is green, 

 with a longitudinal white line on each side above the feet. 



Chrysalis green. 



Southern States. — Expands an inch and a half. 



BOISD. 



4. T. jucunda Boisd, Boisd. Spec. Gen. 1, 665. Figured in Boisd. et 

 Lee. pi. 19. 



Primaries like those of T. delta, except that the fringe is white, 

 and the ground color of a less lively yellow. 



Secondaries yellow saffron, with a blackish border, a little sinu- 

 ated within, and nearly obsolete before reaching the anal angle. 



Under side of primaries yellow in the middle ; other parts 

 whitish, sprinkled with grayish atoms. 



Under side of secondaries white, finely aspersed with grayish. 



Female paler ; primaries densely powdered with blackish, desti- 

 tute of the marigold line ; border of secondaries a little wider, and 

 sometimes interrupted by yellow streaks. 



N. America. — Expands about an inch. 



Boisd. 



T. proterpia Boisd. Boisd. Spec. Gen. 654. Figured in Lucas' Hist. 

 Nat. des Pap. Exot. pL 38. 



Upper side orange red in the male, and russety yellow ochre in 

 most of the females ; nervures black towards the extremity. Pri- 

 maries, with a black border along the upper edge, rather wide, 

 continuing more or less on the outer edge. Secondaries without 

 a border, or with a blackish border effaced ; outer edge angular 

 in the middle. 



Under side of all the wings paler than on the upper; that of the 

 primaries without border or spots, that of the secondaries more or 

 less sprinkled on the disk with spots or atoms a little more obscure, 

 sometimes nearly obsolete. 



The nervures of the ground color, or only those of the primaries 

 blackish at the extremity. Secondaries without any border, with 

 the exterior angle much more prominent and prolonged, in the 

 form of a tail. 



