ARGYNNIS VII. 



After first moult: length .1-5 inch; same shape as before; color olivaceous, 

 mottled over the whole surface with brown ; armed with six longitudinal rows 

 of long, fleshy, black spines, each of which springs from a yellowish tubercle ; 

 tliese spines are somewhat tinted with fulvous at base, and from the sides and 

 end of each proceed short, curved black hairs ; legs and pro-legs dull green ; 

 head black. (Fig. c.) Duration of this stage sixteen days. 



After second moult : length .3 inch ; the segments from fourth to eleventh 

 enlarged, from fourth to second tapering more rapidly than before ; color uni- 

 form obscure greenish-brown ; the spines as in the last stage, a dull yellow tu- 

 bercle forming the base of each ; legs black, pro-legs dull green ; front of head 

 blackish brown, bristling with hairs ; back of head, at tlie junction with second 

 segment, dull yellow. (Fig. d.) Duration of this stage fourteen days. 



After third moult: length .7; color as in last stage, the upper surface with 

 a silky gloss ; the spines longer and more tapering, the basal third of each and 

 the tul)ercle also orange ; the 1:)ristles shorter ; legs and pro-legs black ; head 

 sub-conic, truncated, with a prominent vertex on either side, between which 

 and the apex is a rounded depression, the front flattened, the lower angles 

 rounded; color brown in front, dull yellow behind ; the ocelli black. (Fig e.) 



Time to next moult seventeen days. 



After fourth moult: length .1 inch; color uniform deep chocolate-brown; 

 the spines as before, except those of the two dorsal rows on second and last 

 four segments, all of which are black ; the bristles shorter ; between the dorsal 

 rows on each segment are two whitish dots; head black. (Fig. f.) Duration of 

 this stage twelve days. 



After fifth moult: length 1.5 inch. The larva continued without change in 

 coloration till maturity. 



Mature Larva. — Length 2.5 inches; cylindrical, fleshy, tapering at either 

 extremity, each segment rounded ; wholly velvety-black ; armed with six rows 

 of long, tapering, sharp, glossy-l)lack spines, from each of wliicli proceeds several 

 short lilack bristles on the sides and one at the top ; length of most of these 

 spines .2 inch ; on the second segment the two dorsal spines measure .3 inch, 

 and are projected forward over the head ; on each side of same segment is one 

 other spine, starting from the posterior edge of the segment and back of the line 

 of the dorsals, and these also are porrected ; the remaining spines of the six rows 

 radiate as if from a central axis, those of the stigmata! row being depressed so 

 that their ends are on a level with the feet ; the base of each spine deep orange 

 or fulvous ; between each pair of dorsals two whitish dots placed transversely ; 

 legs and pro-legs black ; head small, Init broader than the second segment, sub- 

 conic, truncated and depressed at top, flattened in front, the lower corners rounded, 



