ILLUSTRATIONS. 



PLATE. 



Page. 



Plate I. Fig. 1. — Cicada in the act of feeding. Figs. 2 and 3. — Sections of bark 



and wood showing beak and seta? of Cicada inserted 92 



TEXT FIGURES. 



Fig. 1. QmchyKasU s m usicus: egg, larva, and pupa 114 



2. Conchyliasies musicus: head and mouth parts 114 



4 



i 



