PLATE XCIV. 



Phyllafhis fagi. (Page 37.) 



Fig. 1. — Apterous viviparous female enshrouded in 

 long flocks of cotton-like substance. 



Fig. 2. — The same insect denuded of this substance 

 by treatment with ether. 



Fig. 3. — The oviparous female appearing in October. 

 The last rings are sparsely clothed with cotton, but not 

 represented in this figure. 



Fig. 4. — Winged viviparous female. This insect is 

 both powdered and flecked with white filaments. 



Fig. 5. — Apterous male, taken in company with fig. 3. 



Figs, a and h. — Antennge of apterous and alate 

 viviparous females respectively. 



Fig. c. — Head and short rostrum of imago (fig. 4) . 



