EASTERN UNITED STATES. 149 



Under side of liind wings and apical portion of fore 

 v/ings yellowish brown streaked a little with yellow, the 

 rest'^of fore wings fulvous. There are twenty-three or 

 twenty-four silver spots edged with black on each of the 

 hind wings, and about ten on the apex and outer margin 

 of the fore wings ; those on the hind wings and apex 

 of fore wings mostly large. 



The eggs are conoidal, truncated, the top a little arched ; 

 the sides more or less convex, marked by fourteen ribs 

 from base to top, and crossed by eleven tiers of striae ; 

 the spaces between the ribs are quadrangular, the spaces 

 at the summit hexagonal. 



The young larva is cylindrical, thickest at joint 4, 

 tapering slightly to the anal extremity. Color brownish 

 orange, glossy ; on each side of the dorsal line, on each 

 joint after the second, is a row of conical, pale black 

 tubercles, and two similar rows on each side forming 

 transverse rows of six tubercles, from the top of each of 

 which springs a short black hair. On joint 2 is a black 

 dorsal collar with fine tubercles. Head brown. 



After the first moult the color is about the same, but 

 after moulting again it is more of a dark oi red brown, 

 with a subdorsal greenish-brown band, and head black. 

 After the third moult the color changes to dark glossy 

 orange, with the dorsal stripe olive-brown and a sub- 

 dorsal of the same, and the lower part of the body olive- 

 brown. 



The mature larva is 1.5 inches long, of a red-orange 

 color, with a broad dorsal line of greenish black, and a 

 broad slate-black band outside this reaching to the first 

 lateral, except a narrow stripe of the ground color. Base 

 slate-black, orange through the region of the spiracles. 



13* 



