184 B. NKUMOEGEN AND H. G. DYAR. 



A., angelica Grote. 



1864.— Grote, Proc. Ent. Soc. Phil. vol. iii, p. 322. Parathyris. 



hyalinopnncta Packard. 

 1864. — Packard, Proc. Eut. Soc. Phil. vol. iii, p. 354. Apatelodes. 

 var. intlistiiicta Hy. Edwards. 



1886.— Hy. Edwards, Ent. Amer. vol. ii, p. 13. 

 Ash-gray, transverse, anterior and transverse posterior lines consisting of rows 

 of brown, venutar points, the two intermediate lines deep clay-brown, broad, 

 diffused. Between veins 4-5 (v^-Vz) and 5-6 (Vz-Vi) a quadrate, white, hyaline 

 spot, the lower one smaller. Secondaries pale brownish, with an inner brown, 

 and outer pale obscuie line. Thorax gray, with central brown crest. Abdomen 

 thickly dotted with reddish brown dorsally. Expanse, % 42 mm. ; 9 47 mm. 



Hab. — Atlantic States. 



The variety iudutincta is more reddish than the typical form, and 

 the markings are fainter. 



Subfamily NOTODONTIN.E. 

 Genus IWotodonIa Ochsenheimer. 

 1810.— Ochseuheimer, Schmett. Eur. vol. iii, p. 45. 



Peridea Stephens. 

 1828.— Stephens, 111. Brit. Ent., Haust. Pt. ii, p. 32. 



Synopsis of Species. 



Size large: external margin of primaries excavate between the veins .elegans. 

 Size smaller; external margin entire. 



Fore wing shaded with ocher and brown along internal and external margins. 



Thorax dark ash-gray stragiila. 



Thorax blackish gray pacifica. 



Fore wing without ocherous brown marks, but with longitudinal black dashes 

 before internal angle. 



Primaries yellowish at base and disc georgica. 



Primaries uniform stone-gray tortuosa. 



IV. elegans Strecker. 



1885.— Strecker, Proc. Acad. Nat. Sci. Phil. 1884, p. 285. Lophopteryx. 

 var. grisea Strecker. 



1885. — Strecker, Proc. Acad. Nat. Sci. Phil. 1884, p. 286. Lophopteryx. 



notaria Hy. Edwards. 

 1885. — Hy. Edwards, Ent. Amer. vol. i, p. 17. Notodonta. 

 Gray, shading into chocolate-brown at base of fore wings. A silvery white 

 mark on vein 1 (anal vein) at base; internal margin between tooth and base 

 ocherous. A series of obscure, subterminal, venular, black dashes, most evident 

 at apex. Secondaries white, with gray patch at internal angle divided by a white 

 line. Thorax gray, abdomen brownish. Expanse, 50 mm. 



Hab. — Mountains of New York and New England (Canada), 

 Michigan, Rocky Mountain region. 



The var. qri.^ea differs in lacking the brown shade at basal part 

 of fore wings. 



