EASTERN UNITED STATES. 247 



stripes darker green. After the first nioult the larva is 

 .16 of an inch long, cylindrical, the anterior part the 

 thickest, the body ending in two conical tails covered 

 with tubercles and bristles. Each joint is creased, the 

 ridges bearing many tubercles with long white hairs. 

 Color pale green, with seven green stripes, basal ridge 

 pale yellow, tails reddish. After twenty-three days it 

 moults the second time, when it is much as before. 

 Length .3 of an inch, the color yellowish green, with the 

 basal side yellow, and the stripes dark green. In four- 

 teen days it passes the third moult, the length being- 

 then .44 of an inch. It moults four times before reach- 

 ing maturity. 



The mature larva is 1.25 inches long, cylindrical, 

 robust, thickest in the middle, with two sharp, conical, 

 divergent tails. Each joint is crossed by five or six 

 creases, the ridges covered with fine white papillae, each 

 supporting a long or short white hair, if long appressed 

 to the surface. Color yellow-green, varying, on some 

 the dorsum more yellow ; a dorsal green stripe and a 

 basal yellow one, with sometimes a faint yellow lateral 

 line. Head vivid green. It takes fourteen days to pass 

 from the third to the fourth moult, and 

 twenty-eight days more to the time when 

 the larva ceases feeding and pupates. 



The chrysalis is a little more than half an 



t/ 



inch long, cylindrical, the abdomen conical, 

 the wing-cases slightly raised at the mar- 

 gins ; head-case short, roundly excavated at g Alo e 

 the sides, the top narrow. The male is one 

 shade of either yellow-green or deep green, covered with 

 smooth specks and patches of lighter color, with several 



