PLATE D. 



Placobdella pediculata 



Fig. 11. Lateral view of the generative organs. Reproduction of a 

 photograph of a wax model. The ovary and convoluted 

 portion of the male duct were reconstructed by the Born 

 method, while the testes and vas deferens commune im- 

 mediately above them were modeled after careful meas- 

 urements and then attached to the anterior part. 



Fig. 12. The same as figure 11, dorsal view. 



Fig. 13. Lateral view of the anterior portion of the male duct. 



Fig. 14. Frontal view of the anterior portion of the male ducts. 



Fig. 15. Sagittal section of the male genital pore, showing the posi- 

 tion of the atrium (a) and the bursa (b). 



Fig. 16. Section thru the female genital pore. 



