348 GEORGE D. HULST. 



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

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

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

 in both sexes; fore wings with fovea at base in S , 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^. approximaria Hiib. 

 S. permagnaria Pack. 



: 38. 1.YTROSIS n. gen. 

 Type iinitaria H.-Sch. 



Palpi rather long, erect, recurved ; tongue developed ; front smooth ; 

 antennse of % bi pectinate almost to apex, pectinations long, plumose ; 

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

 tibise with two pairs of spurs in both sexes, with hair pencil in S ; 

 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 , all veins 

 separate, 5 undeveloped, 8 separate from cell. 

 Species. — L. unifaria H.-Sch. 



39. MERIS n. gen. 

 Type alficola Hulst. 



Palpi quite short, slender, porrect ; tongue developed ; front broad, 

 rounded, smooth ; antennae bipectinate in both sexes, in 9 the pec- 

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

 smooth ; hind tibire 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 separate from cell. 



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



the bipectinate antennae, and from PteroUm may be known by the 



12 veined fore wings. 



Species. — M. alticola Hulst, n. sp. 



in. alticola n. sp. — Expands 42 mm. Palpi fuscous, blackish at end. Head 

 smoky; anteunse 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 dor.sal line ; fore wings light gray, thickly and quite evenly 

 overlaid with dark faacous scales giving a squamous appearance to surface; basal 

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

 broad, illy defined, rounded at costa, then parallel with outer margin ; discal spot 

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



