THE CLOTHES MOTH, 223 



to observe them more closely. Returning from 

 some other occupation I found the small cases 

 in active motion. A brown head and part of a 

 white grub's body appeared at one end, and each 

 insect, like the Caddis Worm, was dragging its 

 house after it and seemed able to crawl rapidly 

 about. By gently pressing the tail-end of a 

 cocoon I made the grub come out and leave its 

 case behind, so that I could examine it more 

 particularly. The case was evidently made of 

 shreds of the feathers on which the grub had been 

 feeding, and was lined with fine white silk. 



There are understood to be about thirty-one 

 species of Tinea in this country ; of these many, 

 when in the larva state, inhabit fungi or rotten 

 wood. One beautiful species is found abundantly 

 in granaries, its larva lives upon corn and resides 

 in a case formed of wheat grains connected to- 

 gether by silken threads. Many of the species of 

 Tineina, the great group to which the genus Tineae 

 belongs, are leaf -miners and form those white 

 streaks we may often see upon bramble, honey- 

 suckle, and strawberry leaves. The grubs of another 

 kind may be found in Scotland, inhabiting ants' 



