230 



TRANSFORHIAIVONS OF INSECTS. 



provisions they will form a silken cocoon, and hybcrnatc in it 

 until the next spring ; then they will turn into nymphs, and, after 

 two or three weeks have elapsed, they will fly as perfect insects. 



/%. 





^(^^^^ 





THE METAMORPHOSES OF Odyitcriis faiidlUll. 



The Odyncnis ^\•hich attacks the briar chooses dry twigs. 

 which have a slanting direction, or ^^•hich arc horizontal. The 

 insect sets to \\ork to hollow out a twig by getting rid of the 

 pith, and when this is completed it goes off to seek earth and 



