PLATE LXXIV 



[Part Yin.— January 1898.] 



MicROPARMARioN siMROTHi, ColUuge & Godwiu-Austen. Borneo. 



Fig. 1. Shell and part of mantle from above, x 3. 



1 a. As seen from left side, x 3. 



1 b. Head and fore portion of body and mantle, right side, x 4. 



2. View of right side of animal, shell removed, x I. 



3. Portion of oesophagus, with salivary gland, x 4. 



4. Jaw, X 4. 



5. Generative organs, x 4. 



5 a. Male organ, x 8. 



5b. The calcareous dart in the amatorial organ, x 125. 



6. Generative organs of Parmarion pupillaris, after Semper. 

 G a. Calcareous dart (the " Liebesfeil "), after Semper. 



6 b. Teeth of radula, after Semper. 



