THE CANADIAN ENTOMOLOGIST. 167 



tapering, and thickly set with short black bristles ; there is also a row 

 of small, similar branching spines over the feet ; color yellow brown, the 

 second segment quite dark, and on this is a collar of minute branching 

 spines; there is also a dark medio-dorsal hne ; head obovoid, rather 

 flattened frontally, the vertices rounded ; color black brown, with many 

 black hairs. 



AFTER SECOND MOULT— Length iV« inch. ; shape and spines 

 as before ; color ochre-yellow, with five transverse black lines on the seg- 

 ments, and a dark medio-dorsal line ; head as before, black. 



AFTER THIRD MOULT— Length tVv inch. ; spines and bristles 

 larger in proportion ; color deeper ochre, striped as before. 



AFTER FOURTH MOULT— Length ^ inch.; color red, or orange 

 ochraceous ; the transverse lines distinct, and edged unevenly, one before 

 each row of spines and two after ; at base of body, on feet, an ochrey 

 ridge ; the spines short and stout, with very divergent bristles ; head as 

 before, the surface finely tuberculated, black. 



AFTER FIFTH MOULT— Length rVl inch., increasing'to iVir, and 

 in one example to one inch at maturity. 



MATURE LARVA — Cylindrical, of nearly even diameter throughout; 

 color deep red fulvous, crossed by black stripes, one before and two after 

 each transverse row of spines, and with a medio-dorsal black longitudinal 

 stripe ; the last two segments nearly all black, and on 9 to 11 the fulvous 

 bands are macular ; the spines on each segment also stand on a broad 

 black band ; spines in seven principal rows, one dorsal, three lateral on 

 either side, long, tapering, black, each thickly set with long divergent 

 black hairs, and each rising from a broad, round, shining black, or blue 

 black base ; over the feet a similar row of small spines ; the second seg- 

 ment with a collar of small branching spines ; feet and prolegs black ; 

 head obovoid, flattened frontally, cleft, the vertices rather pointed than 

 rounded, black, granulated, and with many short black hairs. 



CHRYSALIS— Length iW inch. ; cylindrical ; head case compressed 

 transversely, nearly square at top, bevelled at the sides ; mesonotum 

 rounded, not prominent, followed by a slight depression ; abdomen stout, 

 with several rows of small sub-conic tubercles, two of which are extended 

 to upper side of mesonotum ; color pure white, marked and spotted 

 throughout with black, or brown black, and orange, and showing much 

 variation in individuals ; the last segments black ; a broad band of black 



