EXPLANATION OF PLATE LXIX. 



RlPERSIA TEEEESTBIS. (Page 190.) 



Fig. 1. Insects and ovisacs natural size in situ 



on roots of Adiantum. 

 Fig. 2. Adult female after treatment with potash 



(ventral). X 35. 

 Fig. 3. Adult female after treatment with potash 



(dorsal). X 35. 



Fig. 4. Adult females from life (dorsal). X 10. 

 Figs. 5, 5 a. Antennae of adult female. X 250. 

 Fig. 6. Leg of the adult female. X 250. 

 Fig. 7. Ova with part of ovisac removed. X 25. 



RIPERSIA HALOPHILA. (Page 192.) 



Figs. 8, 8 a. Antennae of adult female, x 250. 

 Fig. 9. Leg of the adult female. X 250. 



