NO. 1456. NEW GEOMETRID MOTHS— WARREN. 403 



veins 4 and 6; faint traces of a submarginal shade with some black 

 dots on veins; a brown crescentic shade before excision with one or 

 two black dots, fringe brown, blackish, tipped at the teeth. 



Ilindwlng. — With both lines brownish, curved parallel to each 

 other; some pale bluish white scales toward hind margin. 



Under side slaty gray, darker in forewing, all veins dotted with 

 black. 



Head, thorax, and abdomen concolorous; face black; fillet narrowly 

 white. 



Expanse of wings. — 18 mm. 



Localities. — Orizaba, Mexico, 1 male; Cordoba, Mexico, 1 female. 



Forewing excised between veins 4 and 6, hindwing between 4 and 

 7 and again at submedian fold; the excisions and the teeth more prom- 

 inent in female than in male. Abdomen of male elongate, with tuft 

 of ochreous hairs. 



7>i;6.— Cat. No. 9150, U.S.N.M. 



Genus GATHYNIA Walker. 

 GATHYNIA CASSATA, new species. 



Forewing. — Grayish buft', paler, more ochreous toward apex; costal 

 area for four-fifths, as far as middle of cell, gray with brown freck- 

 ling; at four-fifths a lunulate-dentate gray line runs vertically to vein 

 6, is there interrupted and bent outward, reaching inner margin at 

 three- fourths as an oblique double black line filled in with brown, fol- 

 lowed by a pale band before the brown-black anal angle; a line of 

 minute black dots between veins before margin; fringe ochreous, 

 mottled with brown and with a pale base. 



Hindwing. — With apical half above vein 6 and inner area below 

 vein 2, pale, straw-color; inner line black, angled on median; outer 

 line also angled on median, bright brown, edged inwardly with black- 

 ish and outwardly by a fine lustrous line, followed in upper half by 

 a dark shade; a round ochreous cell spot at upper end of discocellular; 

 space between costa and vein 2 irregularly darkened by brown and 

 fuscous scales; beyond outer line some brown scales between 6 and 4, 

 and the interval between 3 and 4 filled up with leaden-black; an olive- 

 ibrown .^hade, inwardly edged by black lunules, from before upper 

 and below lower tooth; fringe brown, with a pale lustrous line at base. 



Under side of forewing brownish ochreous, with dark speckling and 

 a black blotch at anal angle; hind margin brownish beyond a pale 

 sinuous band; hindwing whitish ochreous, with some gray-brown 

 scales in costal tuft at base; fringe brownish around tooth at vein 7. 



Thorax and patagia buff; abdomen ochreous, with a black belt at 

 ibase, and the dorsum fringed with smoky gray; shoulders ochreous- 

 gray; head and forelegs dark brown; palpi black. 



