36 rROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxi. 



Ashen gray, with a slight reddish tin<;e ; opaque ; the dash opposite anal 



angle usually crossing the transverse posterior line paupercnla. 



Glistening or shining white, with mossy olivaceous or bluish shadings; 

 anal dagger usually not crossing the trans vfjrse posterior line. 



vinnnla. 



Smoky or blackish, the maculation white; median lines very strongly 



dentate fragiHs. 



6. Primaries creamy white, a little shining, powdered with line brown atoms; 



secondaries smoky yellow laelifica. 



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 



transverse anterior line lubeliae. 



Expands not to exceed 1.75 inches. 



Deeji ash-gray, with a smoky tinge; secondaries smoky yellow in both 



sexes fiireifera. 



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



a faint smoky shading hasta. 



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



pure white inaiiUoba. 



8. Primaries gray, with a laiut ocherous suffusion; all the ordinary spots and lines 



traceable ; secondaries with a faint smoky tinge fhoraciea. 



Primaries blue-gray, without suffusions; the oi'dinary spots and lines scarcely or 

 not at all traceable; secondaries pure white sirignlata. 



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 transverse posterior line 14. 



Primaries uniformly gray ; not darker along inner margin 11. 



11. The dagger opposite anal angle crosses the transverse posterior line 12. 



The dagger ojiposite anal angle does not cross the transverse posterior liue.. 13. 



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



and transverse posterior line; transverse anterior line scarcely trace- 

 able -• tritona. 



Ash-gray, powdery, all the markings evident. 



Darker and larger; space beyond transverse posterior line smoky, dagger 

 mark opposite anal angle very heavy; secondaries soiled whitish in l>oth 

 sexes rerclla ta. 



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

 anal angle more slender; secondaries white, only a little soiled in both 

 sexes ijrisea. 



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

 and neatly written ; secondaries white in the male, smoky in the 

 female radcUff'ci. 



13. A quadrate black patch on primaries between the ordinary spots qitadrala. 



No marking between the ordinary spots. 



An orange shading at base below the black dash; secondaries white in the 

 male, soiled with gray in female falcula. 



No orange shadings at base; secondaries white in both sexes, a little soiled 

 outwardly in female paralleJa. 



14. Bluish gray; the dark shading along inner margin is diffuse, not delined, and 



does not extend ujiward on the transverse anterior line mansneta. 



