LITHOSIA CANIOLA. 15 



rather paler than the back, with a dusky lateral line; 

 the tubercles studded with brown hairs. (W. B. ; 

 E.M.M. I, 49.) 



LlTHOSIA AUREOLA. 



Plate XL, fig. 5. 



The larva was received on August 19 th, feeding 

 upon lichens attached to oak. 



This larva was very active in its habits ; it was not 

 yet mature, being but little more than five-eighths of an 

 inch in length, rather slender, and of nearly uniform 

 thickness, but tapering very little posteriorly. The 

 tubercles all tufted. 



The ground colour of the back was white, but this 

 appeared only as four white lines separating the black 

 dorsal, intermediate and broader subdorsal stripes ; 

 and this pattern was interrupted at the fourth, eighth, 

 and twelfth segments by dark brownish-black patches 

 covering the back, and on the fourth and twelfth 

 looking almost like humps from the greater denseness 

 of the tufts of hair ; and on the ninth segment the 

 dorsal stripes were absent, leaving the whole area as a 

 conspicuous whitish spot ; the sides, belly, and legs 

 were brownish-grey; the folds between segments 3 

 and 4 white; there was a white spot just above the 

 legs on the third, and a white blotchy line similarly 

 placed on the fourth. The second segment was dark 

 brown-, with a reddish margin in front, and a short 

 longitudinal streak from it of the same tint on the 

 subdorsal region. The dorsal tubercles of all but 

 the three dark segments were orange-red, bearing 

 brownish-grey hairs, the first of each dorsal pair 

 being small in size and the second behind very large, 

 so as to project beyond the subdorsal stripe, on which 

 they were placed into the side, and behind each tubercle 

 of this pair was a white dot; along the sides were 

 two rows of similar tubercles, the lowest being just 



