I 



72 INSECT LIFE IN POND AND STREAM 



in all directions, ready to pop right back in 

 its case at the first sign of danger ; but when 

 all is safe once more, slowly and cautiously 



the little head 

 and tiny legs 

 are pushed out 

 again and the 

 funny old Cad- 



% dis goes march- 

 ing on its way. 

 fl ^jf The Caddis 



has good reason 

 for being so 

 cautious, for 

 although it has 

 a hard red head 

 and its should- 

 ers aie protec- 



CURIOUS CASES MADE BY CADDIS- ted by a tOUgh, 



WORMS. . . 



horny skin of 



the same colour, the rest of its long body is so 

 soft and white and tender that it would be a 

 tempting morsel for a hungry water creature. 

 When out of its case, the Caddis looks very 

 much like a small caterpillar, only it has no 

 cushion feet, and instead of a pair of claspers 

 it has two little hooks at the end of its tail. 



