18t) B. NEUMOKGEN AND H. G. DYAK. 



IV. gibbosa Smith and Abbott. 



1797. — Smith and Abbott, Lep. Ins. Ga. vol, ii, pi. 82. Phalsena. 

 var. doiibledayi Packard. 



1864.— Packard, Proc. Eut. Soc. Phil. vol. iii, p. 356. Nadata. 

 race riibripeniiis Neuraoegen and Dyar. 



1893. — Neumoegen and Dyar, Jour. N. Y. Ent. Soc. vol. i, p. 34. 

 race oregoiieiisis Butler. 



1881. — Butler, Ann. Nat. Hist. (5) vol. viii, p. 317. 

 var. belii'eil$«ii Hy. Edwards. 



1885. —Hy. Edwards, Ent. Amer. vol. i, p. 49. 

 Buff, orange tinted, sometimes irrorate vyith brown scales. T. a. line curved, 

 t. p. Hue straight, oblique, narrow, deep brown, faintly edged with whitisli. 

 Two rounded, white, superposed, discal spots, preceded by a clear huff space. 

 Secondaries paler toward the costal edge. 



Hab. — Atlantic States, we.st\var(l. 



The race rubripennis ditfers in the deep orange-red coloration. 



Hab. — Rocky Mountain region. 



The race oregonensis ditlers in its paler color. 



Hab. — California and the Pacific Northwest. 



Genus Hyparpax Hiibner. 

 1824. — Hiibner, Samml. ex. Schmett. ii. 



Sangata Walker. 

 I860.— Walker, Cat. Brit. Mus. Pt. sx, p. 265. 



Synopsis of Species. 



Median space clear yellow aurora. 



Median space irrorate, or covered by reddish scales. 



Fore wing pink, with only a line of yellow veil us. 



Fore wing pale dull ocherous with lines and irrorations of bi'ownish red. 



peroplioroi(le!>i. 



H. aurora Smith and Abbott. 



1797.— Smith and Abbott, Lep. Ins. Ga. vol. ii, pi. 87. Phulxna. 



rosea Walker. 

 I860.— Walker, Cat. Brit. Mus. Pt. xx, p. 265. Sangata. 



venusta Walker. 

 1865. — Walker, Cat. Brit. Mus. Pt. xxxii, p. .574. Dryocampa. 

 Pale yellow, shaded with pink. T. a. line bent at right angles on median 

 vein; t. p. straight, oblique, a linear discjwl mark, all pink. Basal and terminal 

 spaces and costa largely overspread with pink. Secondaries white. Expanse 

 30 mm. 



Hab. — Atlantic States from New York to Florida. 



H. venus Neumoegen. 



1892. — Neumoegen, Can. Ent. vol. xxiv, p. 226. 



Thorax and primaries dark pinkish red, darker than aurora. T. p. line 

 straight, narrow, yellow ; faint trace of angulated t. a. line. Secondaries white, 



