EXPLANATION OF PLATE LVI. 



LECANIUM HEMISPHERIC.' (Page 113.) 



Fig. 1. Adult female after parturition. X 15. 

 Figs. 1 a, 1 b. Normal forms of adult female natural 



size in situ on Adiantum and Pteris. 

 Figs. 1 c 9 1 d. Clypeate forms of adult female 



natural size in situ on stems of Adiantum. 

 Fig. 2. Antenna of the adult female. X 140. 

 Fig. 3. Leg of the adult female. X 140. 

 Fig. 4. Marginal spines of the adult female. 



X 600. 

 Fig. 5. Portion of ventral dermis of the adult 



female, with tubular spinnerets. Magnified. 

 Fig. 5 a. Tubular spinnerets from ventral dermis. 



X 600. 

 Fig. 5 b. Portion of dorsal dermis with derm-cells. 



X 300. 

 Fig. 6. Female at period of gestation showing 



H -shaped carina?. x 15. 

 Fig. 7. Parasitised female. X 15. 

 Fig. 8. Early stage of same. X 20. 

 Fig. 9. Female, first stage, x 20. 

 Fig. 10. Puparium of male, x 15. 

 Fig. 11. Terminal segment of the male (slightly 



restored), with central portion of the genital 



sheath or stylus omitted. X 140. 

 Fig. 12. Terminal joints of male antennae. X 300. 



