324 



TRANSFORMATIONS OF INSECTS. 



which look like horns, belong to the family of the Ccrambycidce. 

 The adults are made for walking well, and they have usually 



THE METAMORPHOSES OF Chalcophora Mariana. 



The adult insect is represented as crawling upon a branch of a fir-tree, which is more 

 or less riddled and hollowed into tunnels or galleries. The larva and clirysalis are 

 also sho\\Ti. 



ver}' strong, and indeed occasionally enormous, mandibles, dif- 

 ferently toothed according to the species, and the jaws of the lower 

 lip present many decided modifications of form, according to 

 the peculiar habits of the insects. The beetles are leaf-eaters, 



