194 



INSECT TRANSFORMATIONS. 



within their choice, being usually found on an exposed 

 currant branch, or under the upper cross-bar of a 

 paHng. We observed one, during several months of 

 the winter of 1828-9, stationary under the lintel of a 

 door, where a continual current of air must have ren- 

 dered it exceedingly cold. We have endeavoured 

 to rouse some of these from their semi-torpidity by 

 keeping them in a warm room ; but though they 

 would make a few lethargic and unwilling move- 

 ments, none of them would eat, and the change 

 always proved fatal*. 



We might be led from this instance to conclude 

 that caterpillars, not covered with hair, become tor- 

 pid during winter ; but such general conclusions 



a, Young caterpillar of thedrinlvcr. 6, the same, full grown. 

 c, smooth caterpillar of the angle-shades. d, the Diolh of the 

 same. 



* J.R. 



