NO. 1456. NEW GEOMETRID MOTHS— WARREN. 417 



Face, palpi, and dorsum olive-green; vertex and antennte white; 

 thorax and base of abdomen green; dorsal tufts (worn) dark fuscous; 

 abdomen below and leys whitish green. 



Expanse of in I ngx. — Female, ^7 mm. 



Locality. — St. Jean, Maroni River, Frencli Guiana. 



Forewing with hind margin l^elow vein 3 very oblique; hindwing 

 distinctlv elbowed at vein 4 and slightlj' excised between -i and 6. 



Type.—<^2X. No. 917S, U.S.N.M. 



Genus GELASMA Warren. 

 GELASMA SUBRUFESCENS, new species. 



Forewlmj. — Didl gra3dsh green; costa yellow w^ith purple specks, 

 lines wdiitish, marked by whitish s})ots on veins (in the larger of the 

 two females the outer line is continuous and waved) at one-third and 

 two-thirds; luarginal line distinct, purplish, interrupted b}' yellow 

 dots on veins; fringe yellowish, checkered In'oadly with purplish 

 gra}^; cell spot hardl}" marked, darker green. 



Iliixdioinxj. — Without tirst line. 



Under side of forewing dull gray; the costa and fringe yellowish; 

 of hindwing A^ellowish green with a ros}' blotch at apex; the male is 

 less rosy than the female. 



Face, palpi, and anteiuia> brownish red; vertex whitish; thorax and 

 abdomen dull green, the latter with reddish scales along dorsum. 



Expanse of wings. — 17 to 20 mm. 



Localities. — One male and 2 females from 8t. Jean and St. Laurent, 

 Maroni River, French Guiana; the female from St. Laurent larger 

 than the other pair. 



Exceeding!}' like G. hemethearia Warren from South Brazil, but 

 distinguished by the red under side, besides which the neuration is 

 different; in the present species veins 6, 7, 8, 9, 10, and 11 are all 

 stalked together; in Jiemethearia 11 is separate. 



Type.— C^it. No. 9179, U.S.N.M. 



Genus MELOCHLORA Warren. 

 MELOCHLORA AFFINIS, new species. 



Forewing. — Deep green; costa with sparse fuscous dots; lines olive- 

 color, straight; the outer parallel to hind margin; the inner more 

 obscure, hardly marked above median vein; a small black cell spot; 

 a red-brown blotch of confluent stria> from anal angle to vein 1, with 

 a small blotch above it below vein G; a black marginal line from anal 

 ' angle to above vein 2 and a black spot at apex; fring-e green, blackish 

 at apex and anal angle. 



Hindwing . — With" broad median olive line, faintly edged outwardly 

 with paler; a small dark cell spot; a few reddish stria? toward apex; a 

 Proc. N. M. vol. XXX— 06 27 



