KEW GEOMETRID MOTHS— WARREN. 557 



I 



more broadly, the pale edging of the outer line broadening and semi- 

 lustrous toward costa; black stria? forming a shade from middle of 

 outer line to anal angle; fringe dark brown; hindwing with a dark- 

 brown mark at apex and slight submarginal line from it. 



Head, thorax, and abdomen chestnut-brown, with a slight olive tint; 

 shoulders olive; abdomen at sides bright fulvous; beneath with the 

 legs deep yellow; palpi fulvous, the terminal segment blackish. 



Expanse of wings. — 30 mm. 



Locality. — Bolivia; 1 male. 



Type.—C2it. No. 944T, U.S.N.M. 



Genus SYNCRENIS, new genus. 



Forewlng. — With apex slightly produced; hind margin strongly 

 toothed at middle. 



Iliiidiiung. — With hind margin hardly bent at middle, rounded; 

 both angles distinct. 



Antennse of male simple, lamellate; palpi quite short; tongue and 

 frenulum present; hind tibi« swollen, Avith a pencil of hairs and four 

 short spurs. 



Neuration. — In fore wing the two radials rise together from the 

 upper end of cell; veins 7, 8, 9 are stalked Jrom before end; 10 anas- 

 tomoses with 11, which rises from 12. 



Type. — Syncrenis iistimargo, new species. 



SYNCRENIS USTIMARGO, new species. 



Forevying. — Ochreous at base, with numerous speckles, passing into 

 fulvous brown before outer line; first line from one- fourth of costa to 

 one-fourth of inner margin, angled in cell before the black cell spot; 

 pearl-gra}^, edged with black scales; outer line from close before apex, 

 shortly outcurved, sharply angled on vein 7, then straight to four- 

 fifths of inner margin; j^ale lustrous; marginal area with a large black 

 cloud below middle; fringe brown; with darker basal line. 



Hinchchig. — Without first line; the pearly line nearly central beyond 

 the black cell spot; marginal area grav-brown; the whole freckled with 

 black. 



Under side pale ])rownish ochreous speckled with l)lack; cell spots 

 black; the outer line marked ])y black spots on veins; marginal area 

 fuscous, paler toward apex of forewings. 



Head, thorax, abdomen, and legs all ochreous. 



Expanse ofvung.s. — 26 mm. 



Locality. — St. Jean, Maroni Kiver, French Guiana; 1 male, Juh', 

 190-1. 



Type.— Cat. No. 9448, U.S.N.M. 



