PROCEEDINGS OF THE NATIONAL MUSEUM. 



Type of the genus. — Grucia monacheicauda, new species. 

 Near GnamptonycMa Hampson, but withoiit accessory cell. 



GRUCIA MONACHEICAUDA. new species. 



Dark slaty gray, the hind mng a httle paler; anal tuft ocher. 

 Expanse, 37 mm. 



Type.— Male., No. 18829, U.S.N.M.; Guerrero MUl, Hidalgo, 

 Mexico, 9,000 feet (Mann and Skewes, gift of B. Preston Clark). 



Genus CLEMENSIA Packard. 



CLEMENSIA HOLOCERNA. new species. 



Bro%^Ti, a dark brown patch on costa before apex; Unes indicated 

 by ill-definod brown markings, the subterminal the most distinct, 

 pale, and forming a wliitish edge to the costal patch. Hind wing 

 fuscus; anal tuft gray. Expanse, 13 mm. 



r^ype.— Female, No. 19259, U.S.N.M.; Teapa, Tabasco, Mexico, 

 March, 1914 (R. Miiller). 



Near C. cemitis Druce, but browner, the costa more strongly bent 

 before apex, forming a shght prominence. 



Family ARCTHDAE. 



Genus HEMIHYALEA Hampson. 



HEMIHYALEA NIMBIPICTA, new species. 



Thorax brown; abdomen rosy red dorsaUy. Fore wing shaded 

 with black, in the male solidly, except three dorsal dull clay-colorod 

 patches on costa and a pink dash along middle of inner margin; in 

 the female the bands faintly cross the wing and the terminal space 

 is relieved by didly clay color at its inner portion. Hind wing rosy 

 pink with graj^ brown along costa only. Expanse male, 59 mm.; 

 female, 64 mm. 



Tyj^e.—Male, allotype, female. No. 18830, U.S.N.M.; Guerrero 

 Mill, Hidalgo, Mexico, 9,000 feet (Mann and Skewes, gift of B. Preston 

 Clark). 



HEMIHYALEA EUORNITHIA, new species. 



Thorax brown; abdomen rosy red dorsally. Fore wing pale 

 buff, semihyahne except on costa and margin; four broad, waved, 

 smoky black bands, more or less interrupted across the disk, sub- 

 basal, inner, median and outer; a mark on costa and inner margin 

 representing subterminal band, leaving a wide clear subterminal 

 space; termen broadly brown, with inner edge dentate on the veins. 

 Hind wing hyahne, margin narrowly gray, inner margin broadly 

 pink. Expanse, 49-54 mm. 



Type.— Male, No. 18831, U.S.N.M.; Guerrero Mill, Hidalgo, 

 Mexico, 9,000 feet (^lann and Skewes, gift of B. Preston Clark); 



