THE CANADIAN ENTOMOLOGIST. 225 



After third moult: — Length, .4 inch ; color, same ; in addition to the 

 black processes on three and tour is often a minute similar one on the 

 succeeding segments in same line, but there is much variation as to these 

 in number ; the band white, with a yellow discoloration, which shows 

 more decidedly as the stage progresses. To next moult three days. 



After fourth moult : — Length, .6 inch ; the red begins to show in the 

 band for the first time, and there is quite constantly a black process on 

 the segments after four, as described in previous stage. To maturity 

 three days. 



Mature Larva. — Length, i.i inch; cylindrical; color, dull green; 

 the segments thickly covered with fine black tubercles, each of which gives 

 out a short, black hair ; along base, lying in line with the spiracles, from 

 two to twelve inclusive, is a aiarrow, white band, and along the lower edge 

 of this is a macular vermillion streak, broken at the junctions of the seg- 

 ments ; on three and four each, over the band, in middle of the seg- 

 ments, is a black, vitreous, rounded process, and sometimes minute ones of 

 same character are found on the succeeding segments, or part of them ; 

 under side blue-green ; legs and feet same ; head, color of body, rounded, 

 slightly depressed at top, thickly beset with fine, black points, each with 

 short, black hairs ; ocelli, black. From fourth moult to pupation six days. 

 One larva at the last stage differed from all the rest; in addition to the 

 complete row of vitreous spots, it had others on certain segments, viz. : — 

 on two, one at verge of dorsum on either side ; on three, three high up on 

 either side ; on four, two high up ; on five and six, one sub-dorsal each ; 

 on eight and Jen, each, an abbreviated jet-black bar, instead of round pro- 

 cesses ; and below the white band were small, black marks, such as are 

 seen in many Philodice and Eurytheme. 



Another had on each segment, from two to thirteen inclusive, on the 

 second ridge from the point, a black band from the white band on one 

 side to that on the other ; these had the sides more or less crossed, but 

 were pretty regular ; on thirteen was a short black bar along each side, 

 and the shield was black. This was a remarkable variation. 



[Note. — All the larval measurements and descriptions above given 

 were taken at or near twelve hours from the moult.] 



Chrysalis. — Length, .8 inch ; greatest- breadth across mesonotum, .19; 

 across abdomen, .2 inch ; greatest depch, .28 inch; compressed laterally, 

 the abdomen conical, the head case produced to a point : the thorax on 

 ventral side prominent and compressed to a narrow ridge ; the mesono- 



