SPECIAL ANATOMY. 
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Fig. IX. Spermatozoa and granules from the epididymis, highly 
magnilicd. 
Fig. X. Portion of the renal organ at its commencement, exhibit- 
ing the relation of the duct at its outer edge. 
Fig. XI. Helix Berlanderiana. 
Fig. XI. Genitalia of Helix Berlanderiana. 1. Testicle; 2. epi- 
didymis; 3. accessoiy gland of do.; 4. prostate; 5. penis; 6. double 
retractor of do. ; 7. sac of the dart? ; 8. ovary; 9. oviduct; 10. blad- 
der; 11. cloaca. 
PLATE IX. 
Figs. I. —III. H. profunda. 
Fig. I. Digestive apparatus. 1. Buccal body; 2. retractor of do. ; 
3. oesophagus; 4. stomach; 5. intestine; 6. salivary gland; 7. ducts 
of do. ; 8. hepatic ducts. 
Fig. H. 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. H. 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 auriculata. 
Fig. V. Digestive apparatus. 1. Buccal body; 2. lingual pouch ; 
3. retractor of buccal body ; 4. oesophagus; 5. stomach; 6. intestine; 
7. salivary gland ; 8. ducts of do.; 9. hepatic ducts. 
