150 ENTOMOLOGICAL NEWS. [June, 



Smoky or blackish, the maculation white ; median lines very 

 strongly dentate fragilis.^ 



6. Primaries creamy white, a little shining, powdered with fine brown 



atoms; secondaries smoky yellow . . . Istifica n. sp. 

 Primaries ash or bluish gray. 

 Dorsum of thorax concolorous; transverse markings normal . 7. 

 Dorsum of thorax discolorous, yellow; maculation strigate . 8. 



7. Secondaries smoky yellowish in both sexes. 



Largest of the series; expands 1.75 to 2 inches; all the black marks 

 and dashes prominent and contrasting, the basal dash usually 

 crossing the t. a. line lobeliae. 



Expands not to exceed 1.75 inches. 



Deep ash-gray with a smoky tinge; secondaries smoky yellow in 

 both sexes forcifera. 



Paler ash-gray, a little mottled in appearance ; secondaries white 

 with a faint smoky shading . . . . . , hasta. 



Bluish ash-gray; maculation tending to become strigate; seconda- 

 ries pure white manitoba n. sp. 



8. Primaries gray with a faint ochreous suffusion; all the ordinary spots 



and lines traceable; secondaries with a faint smoky tinge. 



thoracica. 

 Primaries blue-gray without suffusions; the ordinary spots and lines 

 scarcely or not at all traceable; secondaries pure white. 



strignlata n. sp. 



9. Primaries dark ash-gray with a smoky suffusion; secondaries with a 



yellowish tinge which is best marked in the male . lithospila. 

 .10. Internal margin of primaries darkened by a black shading from base 



below the dash to the t. p line 14, 



Primaries uniformly gray; not darker along inner margin . .11. 



11. The dagger opposite anal angle crosses the t. p. line . . ,12. 

 The dagger opposite anal angle does not cross the t. p. line . 13. 



12. Very dark, even, blue-gray, the maculation obscure, except for the 



dashes and t. p. line; t. a. line scarcely traceable . tritona. 

 Ash-gray, powdery, all the markings evident. 



Darker and larger; space beyond t. p. line smoky, dagger mark 

 opposite anal angle very heavy; secondaries soiled whitish in 

 both sexes revellata n. sp. 



Smaller and paler, a little marbled in appearance; dagger mark 

 opposite anal angle more slender; secondaries white, only a 

 little soiled in both sexes grisea. 



Very even, ash-gray, without contrasts and with all the markings 

 slender and neatly written ; secondaries white in the male, 

 smoky in the female radcliffei. 



* Microealia fragilis 



