118 [June 



Arctia hyperborea Walker. 



Ei/prepia hyperborea Curtis. App. Ross' Xar. 2d Voy. Ixxi. 17. (1831). 

 Arctia hyperborea Walk.. Cat. Lep. B. M. III. p. (511. (1855). 



Clem.. Proc. Aoad. Nat. Soi. Phil. p. 520. (Nov. 1860). 

 Morris. Synopsis Lep. X. Anier. III. p. 840. (1S(>0). 

 ■^Arctic America" (Ross). 



Arctia dahurica Boisd. sji. 



Chehjiiia dahurica Boisd., Lep. Cal. (Extr. Ann. Ent. Soe. France.) p. I'.l. (1852). 

 Arctia dahurica Walk.. Cat. Lep. B. M. III. ]). 597. (1855). 



Clem.. Proc. Acad. Xat. Sci. Phil. p. 527. (Mov. 18()0). 

 Morris. Synopsis Lep. X. Amer. Apjiendix, p. 341. (ISfiO). 

 '•('aliforuia" (Boisd.). 



Arctia Arge Harris. 

 Bombyx Argc Drury. lUustr. Nat. Hist. i. p. 35. PL 18. lig. 2. (1770). 

 Phakcna Dione Smith, N. H. Lep. Ins. Ga. p. 125. Tab. (53. (1797). 

 Spilosoma Argc Westw., Edit. Drury. (1837). 

 Arctia Arge Harr.. Rt. Ins. Mass. p. 244. (1841). 

 Arctia Dione Walk., Cat. Lep. B. M. III. p. (505. (1855). 



Clem., Proc. Acad. Nat. Sci. Phil. p. 528. (Nov. 18G0). 

 Morris, Synopsis Lep. N. Amer. Appendix, p. 310. (1860). 

 Saunders, Synopsis Can. Arctiadse, p. 7. (18(53). 

 N. Y. (Grote. Edwards). Mass. (Sluirtleff. Sauborii. 3Irs. Bridg-- 

 ham. M. C. Z., A. Agassiz). 



lu 31ass. this species is not uufrequeut. and it becomes more abun- 

 dant as we go southward. 



Arctia Placentia Walker. 

 Phaloena Placentia Smith, N. H. Lep. Ins. Ga. p. 129. Tab. (55. (1797). 

 Heraclia Placentia Hiibn., Verz. 23- 150. (181(5). 

 Arctia Placentia Walk., Cat. Lejj. B. M. III. p. 610. (1855). 



Morris, Synopsis Lep. N. Amer. Aj^i^endix, p. 337. (1860). 

 Saunders, Synopsis Can. Arctiadse. p. 5. (1863). 

 This species, so far as we know, has not been found outside of 

 Georgia. 



Arctia pallida n. sp. 



9 Uniform pure white, with brownish-blaciv streaks in most of the 

 interspaces. Palpi dark at the tips. Nervules white. Costa clear 

 white, except a small short longitudinal linear streak on the basal fifth. 

 Discal area brown, divided by a white streak running inwards. In the 

 apical area is a broad brown spot, and a little farther out, just below 

 the costa is a small linear oval dark spot. Beyond the discal space are 

 three linear streaks, the lower one forked. In the ord median space is 



