which, though really diftindt, are yet fo very nearly al¬ 
lied to each other, as to be eafily regarded, on a curfory 
view, as the fame fpecies. All the cicada proceed from 
eggs, which are depofited by the parent infedts in and 
about the roots of trees, near the ground: they hatch 
into larva?, which, when grown to a certain fize, are 
the Tettigometrre of the older writers. Thefe larva, 
after having continued in this date two years, call their 
Ikins and produce the complete infedt. Fig. 3. fhevvs 
the larva or Tettigometra of the cicada plebeia. I 
fhould obferve that in our own country we have feveral 
fpecies of this genus, which however are extremely 
fmall, and are not aiftinguilhed by any found fufficient 
to excite attention. 
