THE CANADIAN ENTOMOLOGIST. 249 



except above the feet; thoracic feet black, the others light. Duration of 

 this period, 4 days. 



After the third moult. — Length, .35 of an inch. Of the same general 

 character as during the preceding stage; the dorsum yellow, with three 

 reddish purple lines, but the piliferous spots on all the joints but 5 and 1 2 

 are more prominent and brighter yellow; the lateral stripe purple as before, 

 but on some examples it contains a darker central line, below this a row 

 of yellow piliferous spots, the area below these yellowish and striped by 

 about three broken lines. Joints 5 and 12 have each a transverse band 

 of purple and a row of black piliferous spots, slightly elevated. Venter 

 and anal part, translucent whitish; head, brown; hairs, white. Duration 

 of this period, 7 days. 



After the fourth moult. — Length, .65 of an inch, but few changes from 

 the preceding period. Marked as before, but more robust; the broad 

 lateral stripe pale and composed of mottlings of red, brownish tinged, on 

 a whitish ground, the thin dorsal lines the same; piliferous spots yellow ; 

 head paler than in preceding period. 



Mature Larva. — Length, when at rest, from .85 to .90 inch; nearly 

 cylindrical, a little enlarged through joint 5; head, .12 inch in diameter; 

 joint 5,-15 inch. In color an almost uniform mottled reddish brown and 

 whitish, the latter in irregular annulations to the brown patches ; a dorsal 

 line, and one on each side of it, a little more distinct brown. In some ex- 

 amples the brown is slightly greenish tinted, and the white is more exten- 

 sive, giving the body a slight gray tint. Piliferous spots, yellow ; head, 

 light brown, mottled so that the anterior parts of the cheeks are darker 

 brown; legs concolorous with the body; stigmata black. Duration of this 

 period, 5 days. 



Chrysalis. — Length, .55 of an inch; depth of thorax, .16 inch; of ab- 

 dominal joints 3 to 5, .20 inch, from which it tapers gradually back; cylin- 

 drical, slightly depressed on dorsum of joints i and 2; abdomen blunt, 

 conical; wing, tongue and leg cases extending to a little back of the middle 

 of joint 5; the anterior part of the abdominal joints slightly punctured; the 

 rest of surface smooth except corrugations on the wing cases. Color, 

 chestnut brown, the wing cases darker, eyes dark brown. Duration of this 

 period from 8 to ID days. 



The eggs that furnished the larvae for the preparatory stages given 

 here were sent me from Truckee, Cal., by Mr. C. F. McGlashan, June 15, 

 1885, the eggs having been deposited June 9th. This gives us from 43 to 



