38 LEPIDOPTERA OF NORTH AMERICA. 



semicircle of the same color on the dorsal side, a little beyond the 

 middle, separated from a blue band by a row of small black dots. 

 Southern States. Expands three and three quarter inches. 



BOISD. 



2. D. archippus Sm. Alb. Figured in Sm. Abb. vol. I, pi. 6. Cram. 

 206. Hiibn. Esot. Samml. Say's Amer. Ent. Ill, pi. 54. Boisd. et 

 Lee. 137, pi. 40. D. merjalippe Hiibn. 



The four wings somewhat sinuate, fulvous above, with a rather 

 brilliant reflection ; all the wings entirely margined with deep 

 black, having, in fresh specimens, a bluish reflection ; nervures 

 same color. The summit of the primaries has three oblong, 

 fulvous spots, preceded by eight or ten smaller, white or yellowish 

 white extending to the middle of the upper edge. Two rows of 

 white spots on the outer borders of all the wings; occasionally the 

 inner row is ferruginous. The fourth nervure of the secondaries 

 has a large black spot or tubercle. 



The under side presents the same markings as the upper, but 

 the points of the posterior edge are larger and all white. The 

 ground color of the secondaries is nankin yellow, with the nervures 

 slightly bordered with whitish. The emarginations of all the 

 wings white. 



Body black, with yellowish points on the thorax and breast. 



The female has wider nervures, and is destitute of the black 

 tuberculous spot on the secondaries. 



Larva whitish, transversely fasciated with black and yellow. It 

 has two pairs of fleshy processes, blackish, of whic"h the anterior 

 pair are situated on the second ring, which are much longer than 

 the other pair, situated on the eleventh ring. Feeds on Asclepias. 



Chrysalis pale green, with golden points before ; a semicircle 

 of gold behind, bordered below by a range of small black clots. 



Middle and Southern States. Expands four and a half inches. 



BOISD. 



FAM. IV. HELICONIDAE. 



Larva cylindric, spinose the whole length. Perfect insect; 

 palpi short, separate, not much elevated. Abdomen thin, 

 elongate. Wings oblong, narrow, elongate. Abdominal 

 edge of the secondaries scarcely embracing the under side of 

 the abdomen. Discoidal cellule closed. 



