346 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 54. 



(lots on the fringe at the ends of the veins. Hind wing dark fuscous, 

 broadly pale on the disk in the male; fringe with the outer half 

 whitish. Expanse, male 27 mm. ; female, 24 mm. 



Type.— Male, allotype, female. Cat. No. 21235, U.S.N.M.; Mexico 

 City, Mexico (R. Miiller). 



Genus LOPHOCERAMICA Dyar. 



LOPHOCERAMICA SIMPLICIFACTA, new species. 



Thorax and fore wing dark purplish brown, sprinkled with a few 

 white scales, most thickly toward margin; lines indistinct broad 

 dark brown shades, the inner and outer showing traces of crenula- 

 tions, the median broader; stigmata lost, the reniform faintly indi- 

 cated in pale; a row of white terminal points at the ends of the 

 veins. Hind wing brown, dark, lighter at base, especially in the 

 male; a faint discal dot in the male; a pale line in base of fringe. 

 Expanse, male, 31 mm. ; female, 34 mm. 



Type.— Male, allotype, female. Cat. No. 21236, U.S.N.M. ; Orizaba, 

 Mexico, October, 1913, and November, 1907 (R. Miiller). 



Subfamily Acronyctinae. 



Genus ACRONYCTA Ochsenheimer. 



ACRONYCTA YBASIS, new species. 



Whitish gray; a purple-brown shade in subterminal space as far 

 up as vein 5 ; a strong black bar in base on submedian space, forked 

 at end ; a dash on submedian and discal folds across subterminal and 

 terminal spaces; inner line indistinct and confused, much waved; 

 orbicular and reniform large, pale, black-ringed, and black-centered ; 

 a median line, distinct and double on the costa; outer line black, 

 double, the parts well separated, strongly excurved over cell; a 

 row of terminal black dots between the veins. Hind wing white, 

 washed with dark fuscous; discal dot, traces of outer line and 

 terminal shade dark ; terminal dots as on fore wing. Expanse, 29 mm. 



Type.— Female, Cat. No. 21237, U.S.N.M.; Mexico (R. Miiller). 



ACRONYCTA FUMEOLA, new species. 



Purplish gray, banded with blackish; bands subbasal, median and 

 subterminal; ordinary lines narrow, black, between the dark shades; 

 inner line dentate, dislocated in cell; outer line excurved over the 

 reniform, touching it below, suffused with whitish irroration; reni- 

 form large, black-ringed, with whitish scales edging the ring within ; 

 a terminal black line; fringe mixed with pale scales. Hind wing 

 soiled fuscous, shaded darker at the margin; fringe pale. Expanse 

 23 mm. 



T^y^e.— Female, Cat. No. 21238, U.S.N.M.; Mexico (R. Miiller). 



