EXPLANATION OF PLATE LXX. 



CRYPTOCOCCUS FAGI. (Page 215.) 



Fig. 1. Adult female (dorsal). X 40. 



Fig. 1 a. Adult female (ventral). X 40. 



Fig. 1 b. Adult female in the act of extruding an 

 egg (semi-profile). X 40. 



Figs. 2, 2 a. Rudimentary antennae of adult female. 

 X 600. 



Figs. 3, 3 a. Rudimentary posterior legs of adult 

 female, x 600. 



Fig. 4. Anal orifice of adult female. X 600. 



Fig. 5. Spiracle and parastigmatic glands of adult 

 female. X 600. 



Fig. 6. Ovisacs of insects natural size in situ on 

 portion of beech bark ; young colony with ovisacs 

 more or less isolated. 



Fig. 6 a. An older colony representing many gene- 

 rations with the ovisacs crowded together and 

 overlying each other. Natural size, in profile. 



Fig. 6 b. A few more or less isolated ovisacs in 

 situ. X 4. 



Fig. 6 c. Upper portion of ovisacs removed, reveal- 

 ing a number of females and eggs and a species 

 of Thrips, which was found beneath the woolly 

 covering. X 4. 



Fig. 7. Larva after treatment with potash. X 150. 



Fig. 8. Antenna of the larva. X 300. 



Fig. 9. Leg of the larva. X 300. 



Fig. 10. Anal extremity of abdomen of larva. 

 X 250. 



