1896 



THE 3IICR0SC0PE. 



131 



Mytilaspis pomorum : a, ailult male ; 1j, foot of same ; c, yoiiug larva ; rl, antenna; of same ; e, 

 adult female taken from scale ; — a, c,e, greatly enlarged ; b, d, still more enlarg(!d. 



Chionarfi>is furfurus or Scurfy Bark Louse : a, c, females ; b, d, males — a, b, natural size ; c, d, 

 enlarged. 



