AMERICAN LEPIDOPTERA. 325 



scaled ; autenuie filiform, ciliate, the hairs rather long ; hind tibise 

 not swollen, without hair pencil, with two pairs of spurs in both 

 sexes; fore wings 12 veins, without fovea at base, 10 on 11 anasto- 

 mosing with 12; hind wings veins all separate; all wings even, 

 rounded. 



Species. — 0. exornata Wlk. 



/ 0. .semiclarata Walk, 

 O. vedaJlatd Guen. 



4. DASYFIDOIVIA Pack. 

 Ge.om. Moths, 233, 1876. 



Type avuncnlaria Gueu. 



Paljii rather long, porrect, densely long hairy ; antennae of S bi- 

 pectinate, of 9 filiform, the pectinations of S filiform ; front and 

 thorax above and below densely long hairy ; abdomen scaled, 

 smooth ; legs with femora densely hairy ; hind tibije with two pairs 

 of spurs in both sexes, without hair pencil in % ; fore wings 12 

 veins, with fovea at base, 10 on 11, 11 from cell ; hind wings veins 

 all separate, 5 undeveloped, 8 separate from cell. 

 Species. -/ D. avuncularia Guen. 



5. HELIOJVIATA Grt. 

 Proc. Ent. Soc. Phil, vi, 29, 186G. 



Type iufalnta Grt. 



Palpi short, porrect, rather heavily scaled below ; front rough 

 scaled, .flat; anteunte of % filiform, ciliate; hind tibite of % swollen, 

 with hair pencil, with all spurs; fore wings even, rounded, 11 veins, 

 10 on cell, 11 wanting, without fovea in % ; hind wings even, 

 rounded, 8 separate from cell, 6 and 7 separate, 5 undeveloped. 

 Species. — H. infulata Grt. 

 If. cycladata Grt. 

 H. elaboi'ata Grt. 



6. 9IEL.L.IL.IiA Grt. 

 Buff. Bull, i, 12, 1873. 



Type chamaechrysaria Grt. 

 GoniJythria Gump. Nov. Act. Halle, 49, 323, 18, type chamiechrysaria Grt. 



Palpi long, heavy, subascending, end member very small, deflexed ; 

 front with conical tuft ; antennae bipectinate in % , pectinations 

 claviform, segments comparatively few ; thorax and abdomen smooth ; 

 hind tibiae of S swollen, with hair pencil, with all spurs ; fore wings 



TKANS. \M. ENT. SOC. XXIII. SEPTEMBER. 1M9H 



