196 



THE UNIVERSE. 



of the mole; they act like powerful cutting picks, hj 

 means of which the animal cleaA^es the ground and scatters 

 its particles. 



Other animals of the same class carve out their galleries 

 in a jHcked soil; it is in the midst of the tissue of j^lants 

 that they hollow out their tortuoiis windings. For this 

 purpose they attack indiscriminately leaves, fruit, and 

 wood ; nothing resists their teeth, for it is these that do 

 the work. 



Keaumur has even classed separately the caterpillars 

 which bore galleries between the two layers of the leaves. 



117. Mole-cricket —(?/\vHofr(?jja vvjr/aris. 



and very rightly calls them miners, ^ye can any day see 

 their doings on the leaves of our trees, where they carve 

 out winding paths Avhich are recognized by a white track, 

 caused by the insect having eaten all the green substance 

 and only left the epidermis of the organ. 



