NORTH AMERICAN LEPIDOPTERA. 195 



Pale gray, irrorate with black; marked as in E. sever a, but no basal yellow 

 dot nor discal mark, while the lines are more obscure and the median yellowish 

 shade spreads upward. 



Hab. — Northern New York. 



Genus Pheosia Hiibner. 

 1822?-Hubner, Verz. bek. Schmett. 145. 



Leiocampa Stephens. 

 1828.— Stephens, 111. Brit. Ent., Haust. vol. ii, p. 24. 



Synopsis of Species. 



A silvery white line at base of vein 1 (anal vein). 



Central part of fore wing white dimidiata. 



Wing centrally smoky-black portlaiKlia. 



Without silvery-white mark. 



Uniform blackish gray, with black discal dot simplaria. 



Primaries brown at base; no discal dot basitrienfs. 



P. dimidiata Herrich-SchaflPer. 



1856. — Herrich-Schaflfer, Samml. Auss. Schmett. vol. i, fig. 515. Drymonia. 



rimosa Packard. 

 1864.— Packard, Proc. Ent. Soc. Phil. vol. iii, p. 358. Pheosia. 



calif ornica Stretch. 

 1872.— Stretch, Zyg. and Bomb. N. A. p. 116. 

 Thorax brownish gray, the patagia and collar outlined with black ; abdomen 

 gray, brownish at base. Wings white, shaded with brownish black at apical 

 thii^d of costa and along internal margin, the latter shade becoming brown 

 toward centre of wing. A white line on vein 1 (anal vein) at base, below which 

 is a dull ocherous patch. T. p. line indicated in white on costa and margin. A 

 black patch at anal angle of hind wings. Expanse 55 mm. 



Hab. — Atlantic States westward ; California. 



P. portlHiidia Hy. Edwards. 



1887.— Hy. Edwards, Ent. Amer. vol. ii, p. 168. 



descherei Neumoegen. 

 1892. — Neumoegen, Can. Ent. vol. xxiv, p. 227. Notodonta. 

 Deep smoky-black, the abdomen brown-black and hind wings smoky-white. 

 The markings as in dimidiata, but the white parts are entirely obscured, except 

 in an oblique subapical patch. The centre of the wing is brown, and the t. p. 

 line is indicated in pale entirely across the wing. 

 Hab. — Pacific Northwest. 



P. siinplaria Graef. 



1881.— Graef, Bull. Brook. Ent. Soc. vol. iii. p. 95. Notodonta. 

 Blackish gray. T. a. and t. p. lines black, distinct, waved. An oval, linear, 

 discal dot in paler ring. A subterminal line of black dots obscure. Hind wings 

 pale gray with white mesial band and blackish discal dot. Expanse 45 mm. 



Hab. — ^Mountains of New York, and probably also of New Eng- 

 land and northward- 



TRANS. AM. ENT. SOC. XXI. JUNE, 1894. 



