16 



Journal New York Ent. Soc. 



[Vol. 11. 



Genus Datana ]]'alkcr. 



Synopsis of species. 

 Outer margin of primaries distinctly excavate between the 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 with 



cinnamon-brown scales .... palltlii. 



Fore wings dark brown with a purplish flush . floridana. 

 Thoracic patch ocherous ...... modesta. 



Color yellowish buff. 



Thoracic patch tawny-brown ..... perspicua. 



Thoracic patch as pale as thorax ..... robusta. 



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



Primaries dark reddish-brown, lines and fringe concolorous, integerrima. 

 Primaries luteous-tawny, lines and fringe not concolorous . contracta. 



angusii. 



ministra. 



californica. 



drexelii. 



major. 



(ienus Nystalea Gi/enee. 



N. Indiana Grote. 



Subfamily HETEROCAMPIN/E. 



Genus lanassa Walker. 



Synopsis of species. 



Yellowish or sordid cinereous 

 Kright bluish cinereous . 



lignicolor. 

 coloradensis. 



Genus Dasylophia Fackixni. 



Synopsis of species. 

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



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



Genus Schizura Doubleday. 



Synopsis of species. 

 Transverse bands largely absent. 



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



of primaties, distinct ..... COIIcinna. 



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



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



