COLOURS AND FORMS OF INSECTS. 



145 



Transformations of the brimstone moth . 



c, Ihe caterpillar in its resting position. 6, the m*>h. c, the eggs. 

 tZ, the young 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 (Ourapteryx 

 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 of 



VOL. TK 



* J. R. 

 13 



