60 PROCEEDINGS OP THE ACADEMY OF 



9. The genital bladder. 



10. The external orifice of the genitalia. 



11. The ovar3^ 



16. The duct of the genital bladder. 



D. A portion of the digestive organs of the same. 



1. The buccal mass. 



2. The oesophagus. 



3. 3. The ducts of the salivary glands. 



4. 4. The salivary glands. 



5. The pouch of the lingual membrane. 



E. The same ; an extreme marginal tooth of the lingual mem- 



brane. 



F. Same as last — life size. 



1-4. See fig. D. ' 



5. The stomach. 



6. The blind sac of the same. 

 t, 7. The biliary ducts. 



8. The intestine. 



9. The rectum. 



G. The same. The rudimentary internal shell. 

 H. The same. The jaw. 



Plate III. 



Fig. I. ZoNiTES LiEViGATUS, Raf. The genital system. Same re- 

 ferences as in pi. II. fig. c. 



13. Dart sac? See p. 39. 



Fig. II. Helix reticulata, Pfr. z= ramentosa, Gld. Genital system. 

 Same references as in fig. 1. 



13. Vaginal prostate. 

 13a, a. Flagella of same. 

 15. Flagellum of penis. 



16a. Accessory to duct of genital bladder. 



Fig. III. Helix Mitchelliana, Lea. Genital system. Same re- 

 ferences as in fig. I. 



Fig. IV. Helix Kelletti, Forbes. Genital sj'stem. Same re- 

 ferences as in fig. II. 



14. Dart sac? See page 40. 



Fig. V. Hemphillia glandulosa. Genital system. Same refer- 

 ences as in fig. I. 

 Fig. VI. The same. See page 39 for 5a and 56. 



