40 AMERICAN LEPIDOPTERA. 



between these two latter is an ill-defined curved fascia in apical part ; 

 cilia pale gray, speckled with fuscous scales in basal portion. Hind- 

 wings nearly 1, costa refuse in apical third, grayish-white, dusted with 

 fuscous; cilia grayish-white, 1. Abdomen grayish-fuscous, anal bush 

 grayish-white. Underside of body yellowish-white, with "some sheen. 

 Legs white, shining, suffused with fuscous externally, tibiae at each 

 end and median band and apices of tarsal joints whitish. 



14. H. plag-iatella n. sp. (Plate III, fig. 20.).— Head and basal 

 joint of autennae sordid white, speckled and dusted with fuscous. 

 Palpi long and slender, reaching considerably above the head, dirty 

 white, speckled with fuscous, especially the second joint without, ex- 

 cept its extreme apex, terminal joint about three-fourths the length of 

 the preceding one. Shaft of antennas pale fuscous, deeply excised above 

 basal joint with scale tuft, cilia extremely short. Thorax sordid white, 

 rather densely dusted with fuscous ; patagia pale, fuscous anteriorly. 

 Forewings rather narrow, pointed, costa slightly retuse along middle 

 two-fourths; a large quadrate basal spot extending from costa to fold, 

 fuscous, another rather large spot at two-fifths between costa and fold, 

 but attaining neither, a few small spots of fuscous scales on the dorsal 

 margin before the middle, two inconspicuous spots at end of cell ; 

 remainder of surface lightly dusted with fuscous scales, which become 

 more condensed in apical part of wing, especially along the dorsal 

 margin ; cilia gray. Hindwings 1, grayish white, dusted with fuscous 

 and with considerable lustre ; cilia nearly 1, gray with pale basal line. 

 Abdomen grayish, last five segments with a chocolate-brown trans- 

 verse band ; anal bush gray, underside of body silvery gray, dusted 

 with fuscous. Legs grayish-fuscous ; posterior tibiae with a spot near 

 the base, oblique median band and apices white. Expansion 17.5 

 mm., 0.7 inch. 



Hab. — Arizona. 



A single male specimen, not in first-class condition, in my 

 collection. Easily recognized by its peculiar wing markings 

 and the almost simple antennae of the male, the cilia being 

 sparse and short. 



15. H. livorella Zell. — "Alis ant. angustis, osseo-griseis, puncto 

 parvo infra basim costalem, majore disci ante medium parique punc- 

 torum venae transversae nigris ; post, minus longe acuminatis. dV 



This is the author's short Latin diagnosis. His description 

 in German I translate in partim as follows : 



Anterior part of body, as well as the slender elongated basal joint of 

 the antennae and the scale tuft in the excision above it, dirty bone- 

 yellow, dusted with gray, the face somewhat whitish; shaft of antennae 



