148 THE CANADIAN ENTOMOLOGIST. 



Pseudargiolus or Thecla Henrici, both which species I have described 

 in their early stages ; the low swellings before spoken of form 

 three rows on either side, and on these are the clusters of hairs 

 as before, but more numerous ; and the lower hairs make a fringe 

 as before ; the color of dorsal area is pale gray, the outer edges 

 white, and the side is white, with a pale brown macular stripe 

 running through it, and above this is an oblique brown bar on each seg- 

 ment, except at the extremities ; on mid-dorsum a macular brown stripe, 

 and on 7 to 1 1 four brown rounded spots, two in front, two on rear ; the 

 sub-dorsal swellings are red-orange, or Indian red, or pinkish ; there is 

 much variation in individuals in all the markings ; and I suspect the 

 species of aphis fed on may cause variations, as one larva raised by me 

 wholly upon plum aphides was at all stages whiter than those on alder, 

 and the darker markings pale. The chrysalis of this larva was also lighter 

 than any I have seen. 



The chrysalis is .31 to .39 inch long, .12 to .15 inch broad at 

 mesonotum, .18 to .22 at abdomen; extreme height of abdomen 

 .2; the ventral side flattened and rounded laterally; the head case 

 is prominent on ventral side, and nearly shape of larval face ; behind it, 

 and projecting somewhat over it, is the second segment, broad and in- 

 curved ; the front of both 2 and 3 are turned up a little, so as to increase 

 the excavation of 2 ; mesonotum prominent and nose-Hke, but flattened, 

 and with a decided carina ; followed by a considerable dorsal depression, 

 aijd a deeper one on side, in which is an oval eye spot, as if set in ; next, the 

 abdomen rises abruptly, overhanging the depression like a brow on face ; 

 the abdomen is very high for width of three segments, then diminishes 

 rapidly, and on dorsum rounds down to 13, but the sides of 11, 12 are 

 greatly compressed ; 13 is rounded and widened at the edges, and lies flat 

 on the object to which it is attached like the hoof of a horse ; the under 

 side shows a flat rim, and a rounded interior depression, on which last is 

 a broad circle of minute points ; under a high power these look like so 

 many walking sticks, with their straight handles bent at an angle of about 

 40° ; color of ventral side whitish, glossy, more or less dotted with dark 

 brown ; the second segment white ; mesonotum whitish and black ; the 

 eye-spot spoken of glossy black ; the abdomen brown, grading on the sides 

 into yellowish ; dark patches on sides of 6, 7, 11, 12 ; the whole upper 

 surface indented and roughened, but has a glossy appearance. 



In all, the monkey's face is a conspicuous feature, the overhanging 



