106 THE CA.NADIAN ENTOMOLOGIST. 



transverse row, those on joint 8 tubercular, the rest small, color Vandyke 

 brown, each supporting a minute hair. Color brown, pale on the dorsum 

 of all the joints but 5 and 6, but dark back of the elevations ; the sides 

 of the joints from 8 back with more or less vandyke brown patches situ- 

 ated on each side of a dorsal line of dark brown ; traces of a stigmatal 

 and subdorsal whitish line ; general color of sides and venter yellowish 

 brown, the latter with two broken vandyke brown lines; head brownish, 

 of a honey cast. There is not so much difference in shade as during the 

 former period, traces of subdorsal white lines. Seventeen days after this 

 moult the larvje began to spin leaves together for their cocoons, without 

 my noting whether they moulted once or twice more. 



Mature Larva. — Length 1.50 inches ; width of head .06 inch, of mid- 

 dle of joint 7, .10 inch, of posterior part of joint 7 over row of tubercles 

 .16 inch, the width of enlarged portion of succeeding joints .14 inch. 

 Slender, tapering slightly from the head back ; head rather flat, the pos- 

 terior part not higher than the anterior part of joint 2 ; joint 7 enlarged 

 near its posterior part, where it bears four tubercles ; joint 8 enlarged 

 posteriorly, but the tubercles are very small ; on joint 9 the two dorsal 

 tubercles a little larger; tubercles on joints 10 and 11 scarcely percep- 

 tible, but the two dorsal tubercles on joint 12 prominent. Color yellow- 

 ish brown, in some places amounting to brownish yellow, marked with 

 umber and blackish or vandyke brown. Head and joint 2 slightly red- 

 dish brown ; joint 3 yellowish brown with a dorsal brown V on its pos- 

 terior part ; joints 4, 5 and 6 of a little darker shade, the V not so distinct 

 and followed by a brown patch that coalesces with it, more or less of a 

 distinct subdorsal whitish streak ; joint 7 with an oblong brown patch 

 hack of each dorsal tubercle, a vandyke brown patch on each side mottled 

 with yellowish ; within this patch is situated the lateral tubercle ; joints 9 

 and 10 the same as 7, the vandyke brown extending down on the legs ; 

 some vandyke brown on joint 1 1 ; there is a sub-obsolete dorsal dark 

 line, and all the joints are more or less mottled with brown. -Venter with 

 rather distinct stripes, the central one pale, all formed by a mottling of 

 yellowish white and dark, the dark part lighter on the pale stripe than on 

 the others, the white forming an irregular line on each side of this. 



Chrysalis. — Length .65 inch, wing and antennse cases .40 inch, reach- 

 ing to posterior part of joint 5, cylindrical; depth through joint i, .15 

 inch, through joint 4, .18 inch, through joint 5. .17 inch, from this taper- 

 ing to crenaster; not depressed on joint i, but gradually tapering from 



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