Plate XIY. 



Hexacotyle acuta. 



Fig. 1. Central part of the genital organs, viewed from the ventral side, x about 

 50 diam. 

 ,, 2. A small portion of the mesoncliyma, from tlie lateral part of the body. 



X 204 diam. 

 „ 3. Section through the vaghia. x 204 diam. 

 „ 4. Same as fig. 1 ; showing the ducts. 



„ 5. Terminal part of the genital ducts, viewed from the ventral side, x 50 

 diam. 



Hexacotyle grossa. 



Fig. 0. A small portion of the mesenchyma, from the lateral part of the body. 

 x204 diam. 

 „ 7. Central part of the genital organs, viewed from the ventral side, x 73 

 diam. 



