6o 



NATURE-STUDY REVIEW 



[7:3 — Mar., 191 1 



was away from the city for about eight weeks. She made oc- 

 casional drawings of "Katy" and looked after her very well, 

 for when I returned I should not have recognized the large, 

 beautifully-winged katydid as being the one I had known before. 

 She molted for the last time on August 2 at the age of eleven 

 weeks, and it was then that her large gauzy wings, almost en- 



AGE /wEEKS^o^s 



* <»**ACTEUST, C POSE 



1 WBSKs OLD 



tirely concealed under green wing-covers, appeared. My sister 

 and mother were fortunate enough to witness this interesting 

 process of molting, and declared that it took quite a bit of en- 

 ergy on the part of "Katy" to crawl out of her old skin. We 

 kept the cage in the yard among the rosebushes in order that 

 she might feel less "imprisoned". Soon other katydids came 



around the cage, and 

 about the middle of 

 August, we captured a 

 male katydid and 

 placed him in the cage, 

 also adding a female 

 katydid from Carmi, 

 Illinois, and one from 

 Tell City. Indiana. 



At the beginning 

 of September we no- 

 ticed that the dry twigs 

 in the cage had been 

 roughened at places by the removal of the bark. It is quite in- 

 teresting, it seems to me, to notice the various adaptations of ani- 

 mals to the work they have to do. A woodpecker possesses a 

 hard bill for making holes in the bark; a mouse has its sharp 

 teeth for similar purposes ; and a katydid, lacking these devices, 



