EXPLANATION OF PLATE XXVI. 



MYTILASPIS PINN^FORMIS. (Page 20 I.) 

 Fig. 1. Pygidium of adult female. X 250. 



MYTILASPIS POMORUM. (Page 194.) 

 Fig. 2. Pygidium of adult female. X 250. 



MYTILASPIS FICUS. (Page 202.) 

 Fig. 3. Pygidium of adult female. X 2-V>. 



