348 GEORGE r>. nULST. 



in S , pectinations long, not reaching to apex ; thorax and abdomen 

 loosely scaled ; thorax below woolly ; legs smooth ; hind tibite long, 

 somewhat swollen, without hair pencil, and with two pairs of spurs 

 in both sexes; fore wings with fovea at base in % , 10 from cell, 11 

 on 12 and anastomosing more or less with 10 ; hind wings all veins 

 separate ; the fore wings vary from wavy to even margined ; the 

 hind wings are sinuate margined, often deeply so. 

 Species. — *S'. ajiproxlmarla Hiib. 

 *S'. penmignaria Pack. 



38. L,YTROSISn. gen. 

 Type unitdrin H.-Sch. 

 Pal])i rather long, erect, recurved ; tongue develo])ed ; front smooth ; 

 antennje of % bipeetinate almost to apex, pectinations long, plumose ; 

 thorax scale haired above, woolly below ; abdomen smooth ; hind 

 tibire with two pairs of spurs in both sexes, with hair pencil in % ; 

 fore wings wavy margined, with a broad blunt angle at 4, with fovea 

 at base in S , 12 veins, 10 separate, 11 on 12; hind wings unevenly 

 wavy on outer margin, with fovea below at base in 9 > JiH veins 

 separate, 5 undeveloped, 8 separate from cell. 

 Species. — L. uuitaria H.-Sch. 



39. i^lERl$!» n. gen. 

 Type alticola Hulst. 

 Falj)i (piite short, slender, porreet ; tongue developed ; front broad, 

 rounded, smooth ; antennne bipeetinate in both sexes, in 9 the ])ec- 

 tinations short ; thorax hairy scaled above, woolly below ; abdomen 

 smooth; hind tibise not swollen, with two pairs of spurs ; fore wings 

 very slightly angled at 4, 12 veins, 10 and 11 anastomosing with 

 each other, and with 9 and 12; hind wings rounded, all veins sepa- 

 rata, 5 undeveloped, 8 se})arate from cell. 



I have the 9 oidy. It separates by the presence in that sex of 

 the bipec^tinate antenna', and from IHerofwa may be known by the 

 12 veined fore wings. 



Species. — M. alticola ilulst, n. s}). 



M. alticola n. sp. — Expands 42 nun. I'lilpi fuscuns, blackish at end. Head 

 smoky; anteniiic black above, light gray below and on pectinations; thorax fus- 

 cous gray, becoming light gray on patagise posteriorly. Abdomen gray, with faint 

 blackish either side of dorsal line ; fore wings light gray, thickly and quite evenly 

 overlaid with dark fuscous scales giving a sipiamous appearance to surface ; basal 

 line not sharply defined, broad, slightly rounded outwardly; outer line faint, 

 broad, illy defined, rounded at costa. then i)arallel with outer margin ; discal spot 

 indistinct, elongated, blackish ; outer margin .slightly angulated at 5; hind wings 



