ON A N^W HISTRIOBDELLTD. 335 



Fig. 10. — Transverse section of female in the region of the second pair of 

 cirri. 



Fig. 11. — Transverse section of the same series as that represented in Fig. 

 10, in the region of the anterior paired portions of the ovaries. 



Fig. 12. — Section (somewhat oblique) of female specimen in the region of 

 the posterior unpaired part of the ovary, showing spermatophore; jor. processes 

 of ovum. 



Fig. 13. — Transverse section of caudal region. 



Fig. 14. — General view of the male reproductive organs. 



Fig. 15. — Ventral view of penis. 



Fig. 16. — Lateral view of penis, partly protruded. 



Fig. 17. — Ovary. The follicle cells are not represented. 



