rOLOUUS AND rOUMS OF INSECTS. 145 



Trflnsformntions of the brimstone moth (Rumia Crata^ata). 

 a, the caterpillar in its resting [losition. b, the moth, c, the eggs. 

 d, the jouug caterpillar. 



We found during last summer, on an elder, at Lee, 

 several specimens of a similar walking-branch cater- 

 pillar, that of the swallow-tail moth [Ouraptcnjx 

 Sambucaria, Leach), not so common as tliC preced- 

 ing, but equally remarkable; for the ringed bulgings 

 on the body are precisely like those of an elder branch, 

 while the longitudinal stripes are like the cracks ia 

 the bark.'^ It is likewise worthy of remark that these 

 caterpillars, when not feeding, rest upon their pro- 

 legs, with their body stretched out at various angles 

 from the branch, their only support being a thread of 



