SPECIAL ANATOMY. £55 



Fig. IX. Spermatozoa and granules from the epididymis, highly 

 magnified. 



Fig. X. Portion of the renal organ at its commencement, exhibit- 

 ing the relation of the duct at its outer edire. 



Fig. XI. Helix Berlanderiana. 



Fig. XL Genitalia of Helix Berlanderiana. I. Testicle; 2. epi- 

 didymis; 3. accessory gland of do. ; 4. prostate; 5. penis; 6. double 

 retractor of do. ; 7. sac of the dart? ; 8. ovary; 9. oviduct; 10. blad- 

 der; IL cloaca. 



PLATE IX. 



Figs. I. — IH. H. peoeunda. 



Fig. I. Digestive apparatus. 1. Buccal body; 2. retractor of do. ; 

 3. oesophagus; 4. stomach; 5. intestine; 6. salivary gland; 7. ducts 

 ofdo. ; 8. hejjatic ducts. 



Fig. II. Inferior part of the genitalia. 1. Prostate; 2. vas defe- 

 rens; 3. penis; 4. retractor of do. ; 5. prepuce; 6. oviduct; 7. bladder; 



8. vagina; 9. cloaca; 10. tentacle. 



Fig. III. 1. Vas deferens; 2. penis; 3. retractor of do. ; 4. prepuce 

 laid open; 5. glans penis; 6. genital bladder and duct laid open, ex- 

 hibiting the interior, longitudinal folds ; 7. neck of oviduct; 8. vagina; 



9. cloaca; 10. tentacle. 



Helix fuliginosa. 



Fig. IV. II. fuliginosa, with all the viscera dissected apart 1. 

 Buccal body; 2. retractor of do. ; 3. oesophagus; 4 stomach; 5. intes- 

 tine; 6. rectum; 7. anus; 8. salivary gland ; 9. ducts of do.; 10. liver; 

 11. testicle; 12. epididymis; 13. accessory gland of do. ; 14. prostate; 

 15. penis; 16. retractor of do. ; 17. ovary; 18. oviduct; 19. bladder; 

 20. glandular structure surrounding the vagina ; 21. pulmonary cham- 

 ber ; 22. heart ; 23. renal organ ; 24. retractor muscle of the foot ; 25, 

 supra-, 26. sub-cesophageal, and 27. stomato-gastric ganglia. 



Figs. V. VI. H. aukiculata. 



Fig. V. Digestive apparatus. 1. Buccal body; 2. lingual pouch ; 

 3. retractor of buccal body ; 4. oesophagus; 5. stomach; G. intestine; 

 7. salivary gland ; 8. ducts ofdo.; 9, hepatic ducts. 



