508 PROCEEDIXGS OF THE NATIOXAL MUSEUM. vol. xxx. 



Genus H YMENOM IM A Warren. 

 HYMENOMIMA EXANGULATA, new species. 



Forerning. — Pale gmy with a sliity tinge, speckled with darker, in- 

 the marginal area suffused with slaty fuscous; lines thick, blackish, 

 at one-fourth, one-half, and two-thirds of costa; first curved and above 

 median double; median waved, and hardly outcurved round the large 

 black cell spot; outer line velvety black, toothed outward on veins, 

 running outward to vein 4, then beat sharpl}' at right angles, and again 

 more bluntly on submedian fold, there closel}^ approaching niitldle 

 line, followed by a thick dark strongly dentate shade; submarginal 

 line slate-color, very slightly waved, edged on both sides by dark slaty 

 fuscous shades; marginal dots quite small; fringe dark gray; from 

 median line to the angle of "outer line a patch of rose-colored scales 

 runs along and below vein 4. 



H/iidirbuj. — With a thick antemedian dark shade, the rust-colored 

 patch prominent. 



Under side dirty gra}', with a luteous tinge, paler beyond the large 

 l)lack cell spots before the broad black marginal ))order; fringe at 

 ai)ex and anal angle luteous-gray, between blackifth. Head, thorax, 

 and abdomen gray, speckled with darker: third and fourth dorsal seg- 

 ments with ru.st-colored scales. 



Expanse ofiolngs. — 28 mm. 



Locality. — Rockstone, Essequibo, British (Juiana; 1 male, Septem- 

 ber, 1904. 



Type.— Cat. No. 93()0, U.S.N.M. 



HYMENOMIMA SUBNIGRATA, new species. 



Fovrwing. — Whitish gray, with tiiu^ obscur(> darker striations and 

 peppered with black; lines all starting from black costal spots; a black 

 spot at base of cell, followed l)y a short line; first line at about one- 

 fourth, double, the arms far apart on costa, the outer outcurved in 

 cell, ajiproximating near base of inner margin, outer line at two-thirds, 

 luiuilate-dentate, curved parallel to hind margin, black, followed by 

 a dark gra}', more .strongly dentate shade; median line from a large 

 costal spot, oblitpie outward and angled on veins 4 and (J, approaching 

 outer line on inner margin; submarginal line whitish, regularly waved 

 between two dark shades, forming a white spot on submedian fold; 

 large black marginal spots; fringe dark and light gray; cell sjjot 

 black, lunulate. 



Hinchoing. — Like forewing. but without the basal lines. 



Under side smok3^-fuscous, with broad smoky black marginal bor- 

 ders; the fringes white, with dark checkering beyond the veins; the 

 apex of forewing nanowly whitish; cell spots black. 



