256 PROCEEDINGS Or THE ACADEMY OF 



Fig. 5. Genitalia of Helix fidelis^ Gray. 



1. Testicle. 



2. Epididymis. 



4. The prostate gland. 



5. The sac of the penis. 



6. The retractor muscle of penis. 



7. The vas deferens. 



8. The oviduct. 



9. The genital bladder. 



10. The exterior orifice of genitalia. 



11. The ovar}^ 



12. The prepuce. 



13. Yaginal prostate. 



14. Rudimentary dart sac? 



15. The flagellum, which contains a capreolus. 



16. The duct of the genital bladder. 



