EXPLICATION DE LA PLANCHE I 
Fig. 1, 2. — Achatina Schoutedent nov. sp., grand. nat. 
Fig. 3, 4. — Melania Bavayi VOv. Sp., X 4. 
Fig. 5, 6, 7. — Zingis Bequaerti nov. Sp., X 5. 
Fig. 8, 9, 10. — Zrochonanina (Martensia) Rodhaini nov. sp. X 2. 
Fig. 11, 12, 13. — Gonyediscus Smithi nov. sp., X 20. 
