— 117 — 



(var. umbrata). A transverse anterior, median, transverse posterior 

 and terminal lines of black spots, often faint or largely absent. A 

 black discal dot, below which near internal margin appears a brown 

 cloud, containing one or two black dots: secondaries white, or 

 clouded with brown with a more or less distinct row of terminal 

 brown dashes. Expanse, 20 mm. 



HabitaLy^o\:\\\ Anierica and Mexico. 



Genus Nycteola Hubiier. 



1810 ?— HiiBNER, Tentamen, p. 2. 



Sanvihipus Curtis. 



1824 — Curtis, Brit. Ent., Vol. I, fol. 29. 



Axia Hiibner. 



1827? — HiiBNEK, Verz. bek. Schmett, p. 395. 



N. revayana Scojyoli. 



1772— ScopoLi, Ann. Nat. Ilist., Vol. V, p. 116, n. 130. 



race lintnerana Spcyer. 



1875 — Si'EYER, Stett. Ent. Zeit, Vol. XXXV, p. 170. 



race Columbiana Hy. Edwards. 



1874 — Hy. Edwards, Proc. Cal. Acad. Sc. , Vol. V, p. 184. 



var. cinereana Neuniocgcii 6^ Dyar. 



Whitish cinereous to sea-green, with basal, transverse anterior, 

 transverse posterior, and subterminal lines, the transverse anterior 

 and transverse posterior geminate, undulate and irregular, the 

 basal and subterminal often more or less absent. An obscurely 

 cordate brown discal dot: a terminal black line, sometimes becom- 

 ing a row of dots. Median space usually darker, often brownish 

 and there may be supplementary black marks filling in the space 

 between basal and transverse anterior lines or black shades in 

 median space. Secondaries white or a pale brown. 

 Expanse, 22 — 28 mm. 



The race Untcrana is gray, the markings not very distinct. 



Habitat., Northern Atlantic States. 



The race cohimbiana varies from green to gray. In the gray 

 form, var. cinereana, it differs from lintnerana in being larger, 

 brighter, the colors more contrasted: the transverse anterior and 

 transverse posterior lines both distinct, geminate, filled in with 

 pale gray, while the secondaries are more whitish. 



Habitat, Mountains of California and Pacific Northwest. 



