COLOURS AND FORMS OF INSECTS. 145 



Transformations of the brimstone-moth (^Rumia Cratcpgata). 

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

 d, the youug caterpillar. 



We found during last summer, on an eldf r, nt Tee, 

 several specimens of a similar walking-branch ca er- 

 pillar, that of the swallow-tail moth iOurapteryx 

 Sambucaria^ Leach), not so common as the 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 in 

 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 or 

 * J. R. 



K 



