ARGYNNIS IX. 



from 3 to 9 or 10 are quite divergent and are turned up, and the lower pair, just 

 as divergent, are bent down ; after 10 all are turned down ; feet and legs color 

 of body ; head obovoid, bi-lobed, dark brown, shining, much covered with short 

 hairs. (Figs. I to h\) 



After first moult: length .1 inch; color grayish, mottled and specked with 

 black ; body furnished with six rows of spines (as is the rule in this genus, from 

 first moult to last) ; these spring from shining black tubercles and are black, stout 

 at base, tapering to top, and beset by many short black hairs ; head obovoid, 

 black, with black hairs. The duration of this stage was seventeen days and up- 

 wards, in February and March. 



After second moult: length .16 inch; the tubercles of the lower row dull 

 orange ; color of body dark gray, mottled with black ; on either side the medio- 

 dorsal line a gray stripe, and along base a gray band ; head as before. Duration 

 of this stage 11 days and upwards. 



After third moult : length .22 inch ; scarcely different ; the spines of lower 

 row now yellow nearly to tips. To next moult nine days. 



After fourth moult : length .4 inch ; the lower spines yellow as before, and 

 the dorsals of 2 also yellow ; color of body black-brown mottled with gray-white ; 

 the gray dorsal lines as before. To next moult 9 days. 



After fifth moult : length .6 inch ; in about twelve days reached maturity. 



Mature Laeva. — Length 1.2 inch ; cylindrical, thickest in middle segments, 

 tapering pretty evenly either way ; color gray-brown, mottled and specked ; run- 

 ning with the dorsal and sub-dorsal spines is a black stripe, edged on either side 

 by a sordid white line ; between the dorsals a yellowish band cut in middle by 

 a black line, and specked with brown ; the spines small at base, and rather short 

 for the size of the body, the bristles very short ; the dorsals dull white, the other 

 rows dull yellow, and all with black tips ; the dorsals on 2 turned forward, but 

 not longer than others of the same rows ; feet and legs pale brown ; head sub- 

 cordate, the vertices being rounded, the front flattened ; color black on front, dull 

 yellow behind, much covered with black hairs of irregular length. (Figs, c, c^ c''.) 



Chrysalis. — Length .8 inch ; shaped as in other members of the genus ; 

 head case square, transversely rounded, a little depressed at top ; mesonotum 



