NO. 1419. SOUTH AMERICAN MOTHS— DYAR. 177 



of the cell retracted toward base, vein 6 from the upper angle of cell, 

 7 to 10 stalked from the same point, 9 and 10 coincident; a small con- 

 vex accessory cell from near the l)ase to end of discal cell with vein 

 11 arising- from its anterior part. Hind wings with veins 2 to 5 evenly 

 spaced, 6 and 7 separate and parallel, 8 joined to the subcostal on outer 

 half of cell, free and angled at base. 

 Tyi)e. — Aci'agopsis Jiamtta Schaus. * 



Family MEGALOPYGID.E. 



Genus ANARCHYLUS, new genus. 



Male antennae bipectinate, more than half as long as the fore wings; 

 proboscis and palpi absent; hind legs with small terminal spurs; fore 

 wings with veins 2, 3, 1, 5 well spaced, 7 to 10 stalked, 11 from the 

 cell; hind wings with 3, 1 from a point or shortly stalked, 5 from near 

 angle of cell, <j and 7 separate, slightly divergent, 8 anastomosing with 

 the subcostal to near end of cell. 



Type. — Archylus ■mexicana Schaus.* 



Genus GOIS, new genus. 



Male antenna^ short, bipectinate; fore wings trigonate, the costa 

 straight, the apex acute but rounded; veins 4 i\nd 5 rather long stalked, 

 7 to 10 stalked, 11 from near the end of the cell; hind wings oval, 

 elongate, veins 3 and 4 stalked, 5 from close to the angle of the cell, 6 

 and 7 separate and parallel, 8 joined to the subcostal to two-thirds the 

 length of the cell. 



Type. — GoU nigrescens Schaus. '^ 



Family COSSID.E. 

 Genus HEMIPECTEN, new genus. 



Antenna? in both sexes broadly unipectinate, one row of pectinations 

 being reduced to short serrations, while the other is .strongly devel- 

 oped. Head small; palpi short. Wings usually rather broad. Fore 

 wings with veins 8, 9 stalked; accessory cell present, vein 11 arising 

 from it. Hind wings with vein 8 free from the cell. 



Type. — Hemipectrn ecparilh Schaus.'' 



Genus MIACORA, new genus. 



Antenna? simple, flattened in the male. Head moderate; palpi 

 upturned to the middle of the front; hind tibia? with four distinct 

 spurs. Fore wings with veins 7 and 8 stalked; accessory cell present, 



«Proc. U. S. Nat. Mus., XXIX, 1905, p. 332. 

 6Proc. Zool. Soc. Lond., 1892, p. 288. 

 cProc. LT. S. Nat. Mus., XXIX, 1905, p. 338. 

 c^Idem, XXIX, 1905, p. 340. 



Proc. N. M. vol. xxix— 05 12 



