NYMPHALIS. 65 



Larva whitish or russety white with green shades, which cover 

 a part of the back ; the second ring is armed with two long ferru- 

 ginous horns, a little arcuate ; the fifth bears two roundish tuber- 

 cles, of the same color. The other tubercles are greenish and not 

 prominent. 



Chrysalis russei„ , with the under side of the abdomen whitish, 

 and a prominent projection on the back. Feeds on Salix, Vac- 

 cinium, and Cerasus. 



United States. — Expands three and a half inches. 



BOISD. 



2. N. arthemis Drury. N. lamina Fab. Godt. Figured in Drury, II, pi. 



10. Boisd. et Lee. pi. 54, p. 202. Say Amer. But. II, pi. 23. 



Upper side brownish-black, with a common white band a little 

 beyond the middle, and a double series of blue marginal crescents 

 on the secondaries, and only one on the primaries. ■ These have at 

 the summit two or three small white spots, and the secondaries, in 

 the males, a bent row of seven roundish spots, or large fulvous 

 dots, situated between the band and the blue crescents. 



The lower side differs from the upper in having the ground color 

 more pale, excepting on the outer edge where it remains blackish; 

 at the base of each wing there are some bluish spots, accompanied 

 by large reddish points ; the primaries have a series of reddish 

 points before the double line of blue lunules of the extremity. 



Emarginations of all the wings white. Body black, with three 

 white lines along the abdomen. Antennce black. 



The female is larger than the male ; the bent row of large ful- 

 vous points is replaced above by lunules formed of bluish atoms ; 

 below, it has the same markings as the male. 



Northern States. — Expands three and a half inches. 



Boisd. 



3. N. disippus Godt. Encyc. Method. IX, 392. N. misippus Fab. N. 



archippus Cram. Figured in Cram. pi. 16. Boisd. et Lee. pi. 55, p. 204. 



Upper side fulvous, with nerves and edges black ; the terminal 

 edge has two rows of white points, the exterior are the smaller, 

 and placed in the emarginations ; near the summit of the primaries, 

 where the black dilates sensibly, are three white points, followed 

 by a macular and transverse band of four fulvous spots. 



The secondaries are traversed beyond the middle, reaching, from 

 the external edge to the anal angle, by a bent, black ray. 

 5 



