PLATE LXXV. 



[Part VIU.— January 1898.] 



MicRoPARMARioN POLLONEKAi, Colliiige & Godwin-Austen. Borneo. 



Pig 1 . Animal, from above (spirit-speciinen), x 2"4. 



2. Ditto, right side, x 2-4. 



.3. Mucous gland, x 4.-6. 



4. Posterior cud of visceral mass, shell removed, x 8. 



5. Buccal mass and salivary glands, x 8. 

 C. Jaw, X 12. 



6 a. Central teeth of radula, X 368. 



6 h. Lateral teeth of radula, x 368. 

 7. Generative organs, x 4. 



7 a. Male organ, with kalk-sac, X 4. 

 7 b. Ditto, muscular sac cut open. 



7 c. Interior of kalk-sac, showing the papillate surface, x 8. 

 7 d. The calcareous dart of the amatorial organ, x 8. 



