Plaie XIX. 



Calicot Y LE ]\IiTsuKrRïi. 



Fig. 1. The whole worm viewed froiii the ventral side. 

 ,, 2. The same viewed from the dorsal side, x ahout 5 diara. 

 ,, 8. The same viewed from the ventral side. xaboutSdiam. 

 ,, 4. Foremost portion of the body, viewed from the ventral side, x 29 diam. 

 ,, 5. Hook of the same very nearly in profile, x 73 diam. 

 ,, 0. Saggital median section of the posterior sucker, x 29 diam. 

 ,, 7. Sagittal median section of the body through the region of the ootyp. x 73 



diam. 

 ,, 8. Sagittal median section of the foremost portion of the body ; composed 



from four sections, x 73 diam. 

 „ 9. A small portion of the mcsenchyma with vitcllarium ; from a sagittal section. 



X 305 diam. 

 „ 10. Terminal portion of the male genital duct viewed from the ventral side. 



X 204 diam. 

 „ 11, An almost median sagittal section of the penis bulb with the basal part of 



the chitinous penis. x 305 diam. The two large cells drawn below are 



probably the prostate glands. 

 „ 12. Cross-section of the glandular portion of the vaginal canal, x 305 diam. 

 „ 13. Ovarian ova from the oviduct portion of the ovary, x 305 diam. 



C A L I C T Y L E K E Y E K I . 



Fig. 14, Hook in profile, x 204 diam. Drawn for the sake of comparison. 



