ARGYNNIS V. 



hairs; color black-brown. (Figs, b, b'.) The larva hibernates at this stage, 

 direct from the egg. 



After first moult : length, at twelve hours, .14 inch; shape of Cyhele ; color 

 gray-green, mottled with olive-green and brown ; spines as in the genus, black 

 from greenish bases, each ending in a short black spinule, and with several others 

 about the sides ; under side more green ; feet black, pro-legs brown-green ; head 

 sub-cordate, the vertices rounded ; at top of each, to the front, a little conical 

 process ; furnished with many black hairs ; color shining black-brown, (i'ig. c.) 

 To next moult seven to ten days. 



After second moult : length, at twelve hours, .2 inch, color dark greenish- 

 brown, mottled in shades ; the spines black, and also the bases, except that the 

 upper row have a little yellow on the outer side, the lower row, and those of 

 middle row on 3 and 4, a little yellow all round ; under side brown-green ; head 

 shaped as before, shining black. (Fig- d.) Duration of this stage five to eight 

 days. 



After third moult : length, .36 inch ; color dark brown, the spines black; those 

 of lower row and the anterior two of middle row, dull reddish-yellow at base, the 

 rest of both rows very slightly tinted same ; head as at previous stage, black, 

 with many long hairs. (Fig. e.) To next moult six or seven days. 



After fourth moult: length, .55 inch; color dull black; all spines black, the 

 lower row dull yellow at base ; head as before, but dull black over front, reddish- 

 yellow behind. (Fig. /.) To next moult about six days. 



After fifth moult : length one inch. Reached maturity in about seven days. 



Mature Larva. — Length, at rest, 1.6 inch, in motion, 1.9 inch; cylindrical, 

 slenderer than Ci/bele, somewhat thickest in middle segments, each segment well 

 rounded ; color blackish-brown, -with a velvet black patch about base of each spine, 

 making six longitudinal macular velvety bands ; the spines of dorsal rows on 

 2 no longer than others, a little turned forward ; all spines .slender, beset with 

 black bristles ; the bases of lower row dull reddish-yellow, the others black, but 

 those on anterior segments greenish; under side dark brown; feet black, pro-legs 

 brown ; head small, as broail as high ; svd)-cordate, the front flattened, the back 

 much rounded, the vertices sub-conic, each on its anterior side bearing a small 

 conical process ; the face much covered with black hairs of irregular lengths ; 



