WOOL AND WOOD DESTROYERS. 281 



names. The Musk Beetle, conspicuous as it is for size of 

 body, splendour of colour, and sweetness of scent, is 

 curiously little known ; while, except to entomologists, 

 the Ptilinus, the Sinodendron, the Clytus, and Ehagium, 

 are not known at all. 



The larva of the Stag Beetle feeds upon the roots of 

 trees, and those which are attacked by it may mostly be 

 known by the dead branches at the top. But it is pro- 



GOAT-MOTH CATERPILLAR. 



bable that the tree had begun to die before it was 

 attacked, and that the presence of the beetle larva was 

 the consequence and not the cause of the tree's death. 



Then there is the caterpillar of the Goat Moth, which 

 feeds chiefly on old Avillow-trees, and riddles them with 

 its burrows, which in some places are large enough to 

 admit a man's finger. Here again, however, the tree is 

 probably in a dying state before it is attacked by the 

 moth. 



