EASTERN UNITED STATES. 143 



cipal rows of flattened tubercles and two rows of smaller 

 ones. Color pale reddish brown. 



After the first moult the color is light brown, chang- 

 ing as the stage proceeds to greenish white mottled with 

 brown ; armed with six rows of spines, which are short, 

 slender, tapering, and black, with a few short black 

 bristles on the sides. The truncated head is a little 

 depressed in the middle, and each vertex armed with a 

 short tapering black process thinly beset with bristles. 



There are but few changes during the next inter- 

 vals, except in size, and in the color gradually becoming 



whiter. 



The mature larva is from 1.25 to 1.5 inches long, 

 cylindrical, armed as after the first moult. Color dead- 

 white, with no gloss, smooth, no hairs, and spotted with 

 black or brown. 



The chrysalis is very irregular in shape, two leaf-like 

 appendages extending from the head. Color brown, 

 marked with varying shades of the same, and some gray 



or whitish. 



This insect feeds on the passion-flower ; and there are 

 many interesting things connected with its life and habits. 



Florida to South Carolina. 



SUBFAMILY DANAIN^. 

 In this group the head is broad, the palpi far apart. 

 The wings are ample, the discal cell of the fore wings 

 open, but that of the hind wings closed, or with a vein 

 across the outer end of it. The larvse are cylmdrical, 

 banded transversely, two fleshy appendages from the top 

 of the joints near the end. The chrysalides are well 

 represented in Fig. 39. 



