CADDIS-WORMS. 



139 



My caddis cases varied in length from seven 

 sixteenths to three quarters of an inch, the latter 

 length being represented by but one, and due to 

 a projecting stone. One case that was a quarter 

 of an inch wide in the broadest part was weighted 

 by seven stones, while the longest case was a mass 

 of them. These cases were closed and contained 

 pupae. When the little sand-dressed larvae took 

 their walks up the sides of the bottle and on the 

 leaves, the creatures reminded me of small hermit- 

 crabs peeping out of their shells. The Caddis- 

 worms seemed to have much the same lively, im- 

 pertinent natures as those crabs, too. 



Once in April in the other brook, when a great 



Papilio Turnus. 



yellow Papilio Turnus butterfly was flying up 

 and around the water -side, there was a bigger 



