1890.] CENTRAL, AND SOUTH AMERICA. 51 1 



Chiriqui. These and the female from Ecuador are all we have seen 

 of this insect. 



RosEMA, Walk. 



EOSEMA SCIKITIS, Sp. H. 



Primaries pea-green, darkest at the base and along the inner 

 margin, which near the base is streaked with black, and at the 

 anal angle it is olive-green ; the fringe pea-green. Secondaries 

 pure white, shaded near the base with pink ; the underside of both 

 the wings silky white. The head green ; the thorax and base of 

 the abdomen black ; the palpi and underside of the thorax bright 

 red ; the iipperside of the abdomen red, the underside yellowish 

 white ; the legs black ; antennte reddish brown. Expanse 2 inches. 



Hab. Ecuador, Sarayacu (BucJdey, Mus. Bruce). 



RosEMA siMois, sp. n. 



Primaries very pale pea-green, the costal margin slightly shaded 

 with yellow ; the fringe pale green. Secondaries pure white ; the 

 underside of both wings white. The head and thorax pale green ; 

 the abdomen white ; antennse and legs yellowish white. Expanse 

 Ig inch. 



Bab. Argentine Republic (3Iiis. Druce). 



Hemiceras, Guen. 

 Hejiiceras lissa, sp. n. 



Primaries very pale fawn-colour, crossed from the costal to the 

 inner margin with two orange-brown lines, the first near the base, 

 the second beyond the middle, a largo round black spot at the end 

 of the cell ; the fringe dark brown. Secondaries yellowish white, 

 almost hyaline in the middle ; the fringe white. The underside of 

 both wings white, excepting along the costal margin it is shaded 

 with fawn-colour. The head, thorax, and abdomen pale fawn- 

 colour; the antennae pale brown. Expanse 1| inch. 



Hab. Ecuador, Sarayacu (BucMei/, Mus. Bruce). 



This species is allied to Hemiceras leucospila. Walk. 



Hemiceras ania, sp. n. 



Primaries silvery-grey, palest along the outer margin ; a dark 

 brown streak extends from the base to the end of the cell, and a 

 brown band crosses from the apex to the anal angle, on the inner 

 side of which is a row of minute black dots. Secondaries pure 

 white, shaded with brown at the apex and round the outer margin; 

 the fringe of both wings greyish white. The underside white ; the 

 primaries shaded with brown on the costal and outer margins. 

 The head and thorax greyish brown ; the abdomen above brown, 

 white on the underside. Expanse 2 inches. 



Hab. Ecuador, Sarayacu {BucJdey, Mus. Bruce). 



A very distinct species, not closely allied to any other known to 

 me. A specimen of this insect from the Volcan de Chiriqui is in 

 Dr. Staudinger's collodion. 



