116 



Journal New York Ent. Soc. 



[Vol. 11. 



Genus Datana Walker. 



Sxnopsis of species. 

 Outer margin of primaiies distinctly excavate between tlie veins. 

 • Color entirely smoky or blackish brown .... 



Color yellowish brown or paler. 



Discal spots faint or absent, size medium. 



Color yellow brown ....... 



Color testaceous ....... 



Discal spots distinct, size large 



Outer margin indistinctly excavate, nearly entire in the cf . 

 Color tawny-brown or purplish. 



Tawny-brown, discal spots distinct, size large 

 More or less purplish, discal spots indistinct, size medium. 

 Thoracic patch reddish brown. 



Fore wings dull whitish lilac, more or less covered 



cinnamon-brown scales 

 Fore wings dark brown with a purplish flush 

 Thoracic patch ocherous ..... 

 Color yellowish buff. 



Thoracic patch tawny-brown . . . . , 



Thoracic patch as pale as thorax ..... 

 Outer margin of primaries entire or a little wavy in the 9- 



Primaries dark reddish-brown, lines and fringe concolorous, i 

 Primaries luteous-tawny, lines and fringe not concolorous 



("icnus Nystalea Guenee. 

 N. Indiana Grate. 



angusii. 



ministra. 



californica. 



drexelii. 



major. 



with 



palmii. 



floridana. 



. modesta. 



, perspicua. 

 robusta. 



ntegerrima. 

 contracta. 



Subfamily HETEROCAMPIN.'E. 



(icnus lanassa Walker. 



S'y)i(>psis of species. 



\'ellowish or sordid cinereous 

 Ihight bluish cinereous . 



lignicolor. 

 coloradensis. 



Genus Dasylophia Packard. 



Synopsis of species. 

 T.-p. line on primaries distinct, arcuate, even .... anguina. 



T.-p. line obsolete superiorly; markings streaked longitudinally, thyatiroides. 



(renus Schizura Doublcday. 



Synopsis of species. 

 Transverse bands largely absent. 



Size small (36 mm. or less), the brown shade along internal margin 



of primaties, distinct COncinna. 



.Size larger (40 mm. or more), this shade less distinct or absent. 



Yellowish cinereous at apex, reddish shade moderately distinct, eximia. 



