INSECUTOR INSCITI^ MENSTRUUS 9 



shaded with gray in two outer wavy lines, discal mark and 

 terminal line. Expanse, 20 mm. 



Type, male, No. 24929, U. S. Nat. Mus. ; near Mexico City, 

 Mexico, July, 1921 (R. Miiller). 



Family NOTODONTID^ 



Cerura presidio, new species. 



Silvery white; collar with a black band behind; thorax with 

 two black spots; abdomen banded with black dorsally. Fore 

 wing with many dentate black lines as in rarata Walk., rivera 

 Schs. and others, from which the present form differs in the 

 discal mark, which is a line surrounded by a circle ; inner band 

 filled with dull olive, almost cut into spots by the dentate bor- 

 dering lines and without ringlet above inner margin. Hind 

 wing with blackish along base of inner margin, two oblique 

 black lines above tornus and black spots in the fringe. Expanse, 

 44 mm. 



Type, male, No. 24930, U. S. Nat. Mus. ; Presidio, Mexico, 

 July (R. Miiller). 



Disphragis averna Barnes & McDunnough. 



Hetcrocampa pulverea averna Barnes & McDunnough, Can. Ent., 



xlii, 213, 1910. 

 Heterocavipa puhcrea averna Barnes & McDunnough, Cont. Nat. 



Hist. Lcp. N. A., I, No. iv, Plate x, fig. 4, 1912. 

 Disphragis pasathelys Dyar, Ins. Ins. Mens., ix, 141, 1921. 



The name averna, described as a variety, was overlooked by 

 me in describing pasathelys recently. 



Family NOCTUID^ 



Subfamily HADENIN^ 



Sriopyga dormitosa, new species. 



Dark brown ; abdomen with pale rings posteriorly on the 

 segments. Fore wing dark reddish brown; orbicular and 

 reniform distinct, rounded, black filled ; lines pale, indistinct, 

 subbasal followed by two black marks; inner irregular, partly 

 black edged on both sides ; outer excUrved over cell, followed 

 by divided black dots on the veins ; a black median shade, obso- 



