1894.] ER0H TROPICAL AMERICA. 239 



fringe on the secondaries paler, and on both wings a marginal row 

 of indistinct dark spots. Exp. 25 millim. 

 Hab. Castro, Parana. 



49. OCHA MARGINATA, sp. nOV. 



Head and thorax brown, mingled with buff hairs. Abdomen 

 brown. Primaries light brown, slightly hyaline, the veins all 

 dark ; some dark violaceous striae at the base and on either side of 

 a pale outer line, which forms a large wavy curve before reaching 

 the middle of the inner margin ; a broad marginal greyish shade ; 

 a terminal buff line ; the apex light grey : the fringe dark at the 

 inner angle. Secondaries brown ; a greyish marginal line near 

 the apex. Exp. 26 millim. 



Hab. Jalapa, Mexico. 



50. Hydrias castreusis, sp. nov. 



Palpi yellowish. Head and thorax grey, the abdomen lighter. 

 Primaries above grey ; some brown scales at the base and also two 

 contiguous transverse brown lines, the inner one wavy, the outer 

 slightly dentate ; a brownish-black spot in the cell ; an outer 

 indistinct transverse line, slightly dentate and outwardly shaded 

 with buff ; a wavy submarginal dark grey shade. Secondaries 

 above white ; the costal margin with the basal half brown, the 

 outer half grey ; the fringe grey. Underneath, the primaries are 

 smoky-brown, whitish along the inner margin, a submarginal 

 dark shade ; the secondaries white, with two indistinct greyish 

 lines on the costa. Exp. S 25 millim. 



Hab. Castro, Parana. 



Earn. LithosildjE. 



51. LlTHOSIA PERUVIANA, sp. nOV. 



Head yellow, with a transverse grey band. Collar yellowish. 

 Thorax pink. Abdomen yellowish, shading to deep orange at the 

 anal segment. Primaries dark grey ; the costal and inner margins, 

 also a central longitudinal streak, yellowish. Secondaries yellow, 

 shading to orange at the anal angle ; the apex dark grey. Exp. 

 20 millim. 



Hab. Peru. 



52. Lithosia venosa, sp. nov. 



Palpi and head orange, grey posteriorly. Collar, thorax, and 

 abdomen greyish white. Primaries above light grey, all the veins 

 and fringe white. Secondaries white, the costal margin tinged 

 with grey. Underneath, primaries dark grey, fringe white ; 

 secondaries white, the costal margin and apex dark grey. Exp. 

 28 millim. 



Hab. Castro, Parana. 



