74 INSECT LIFE IN POND AND STREAM 



most untidy creatures and just stick all sorts 

 of odds and ends together in a higgledy- 

 piggledy fashion, so that they look as if they 

 were dressed in rags and tatters. Even a tidy 

 Caddis, after it has taken no end of trouble to 

 join its leaves, or pieces of grass, or whatever 

 it is using, neatly together, will suddenly add 

 a long straggling wisp of straw or a broken 

 twig to its costume and spoil the whole thing ! 

 One never knows what a Caddis is going to 

 do next. 



But whatever their cases are made of, and 

 whether they be neat or untidy, they are 

 always lined with a finely woven, silken tube, 

 wliich makes a beautifully soft and cosy 

 undergarment for the tender body of the 

 little Caddis-worm. 



It is not the least use trying to pull a Caddis 

 out of its case, for it clings tightly to the 

 silken lining with the little hooks on its tail 

 and refuses to budge. The obstinate little 

 thing would rather allow itself to be pulled 

 in two than pulled out of its case. Of course 

 the Caddis outgrows its strange garment 

 several times while it lives under the water, 

 and then it will either add another frill or a 

 fresh row or two of stones, as the case 



