A NEW SPECIES OF PENTASTOMUM. 191 



Plate XXVIII. 



Generative Organs. 



Fig. 1. — General view of male organs. 



Fig. 2. — Portion of contents of testicle. 



Figs. 3-7. — Transverse sections of testis at different points as far as the commencement of the 



vesicula seminalis. 

 Fig. 8. — Section of vesiculae seminales prior to the separation of the two tubes. 

 Fig. 9. — Section of vesiculae seminales after the separation. 

 Fig. 10. — Longitudinal section of cirrus sac. 

 Fig. 11. — Transverse section of cirrus sac along the line x x. 

 Fig. 12. — Transverse section of cirrus sac along the line y y. 

 Fig. 13. — Transverse section of accessory gland and duct. 

 Fie. 14. — Transverse section of vesicula seminalis, hook-gland, &c. 



Fig. 15. — Transverse section of vas deferens at the point of termination of the vesicula semi- 

 nalis. 

 Fig. 16. — General view of part of the female organs and nervous system. 

 Fig. 17. — Longitudinal section of the receptaculum seminis. 

 Fig. 18. — Transverse section of ovary and its mesentery. 



