294 



INSECT TRANSFORMATIONS. 



is obsolescent in the moth. It is furnished, however, 

 with a pecuHar horn or projection on the forehead, 

 — the palpi — which the theorists to whom we have 

 alluded mifjht term its leafstalk. 



a. Pupa of lappit moth. J, under side of the moth, v/itli its 

 feet folded up. f, side view of the same. 



We can demonstrate the same position still ' more 

 obviously in the chrysalis of a butterfly, — for ex- 

 ample, in that of the peacock ( Vanessa lo), whose ca- 

 terpillars feed on the nettle. This chrysalis is an- 

 gular like the others of the genus, — the two termi- 

 nating angles encasing the eyes, and the four lateral 

 ones the marginal folds of the wings, the contour of 

 which is disposed on what may be called the shoulder 

 of the chrysalis {Ptero-thcca, Kirby). The legs, an- 

 tenna^, and sucker, are folded down longitudinally 

 upon the breast, very similarly to what occurs in the 

 moth just described. When the membranous cover- 

 ing, which is thinner but more firm and clastic than 

 Indian paper, has been carefully removed, — selecting 

 for this operation an advanced period of the chrysalis, 

 — the several members of the butterfly may be seen 



