Includes bibliographical references and indexes v.1 Testacellidae, Oleancinidae, Streptaxidae, Helicoidea, Vitrinidae, Limacidae, Arionidae. 1885 -- v. 2. Zonitidae. 1886 -- v. 3-9. Helicidae. 7 v., 1887-1894 -- v. [9A]. Index to the Helices. 1895 -- v. 10. American Bulimi and Bulimuli. Strophocheilus, Plekocheilus, Auris, Bulimulus. 1895-6 -- v. 11. American Bulimulidae : Bulimulus, Neopetraeus, Oxychona, and South American Drymaeus. 1897-8 -- v. 12. American Bulimulidae : North American and Antillean Drymaeus, Leiostracus, Orthalicinae, and Amphibuliminae. 1899 -- v. 13. Australian Bulimulidae : Bothriembryon, Placostylus. Helicidae : Amphidromus. 1900 -- v. 14. Oriental bulimoid Helicidae, Odonstominae, Cerionidae. 1901-2 -- v. [14A]. Classification of Bulimulidae and index to volumes X, XI, XII, XIII and XIV. 1902 -- v. [15]. Urocoptidae. 1903 -- v. 16. Urocoptidae, Achatinidae. 1904 -- v. 17. African Achatinidae. 1904-1905 -- v. 18. Achatinidae : Stenogyrinae and Coeliaxinae. 1906 -- v. 19. Oleacinidae, Ferussacidae. 1907-1908 -- v. 20. Caecilioides, Glessula and Partulidae. Index to vols. XVI-XX. 1909-1910 -- v. 21 Achatinellidae / by Alpheus Hyatt and Henry A. Pilsbry. Leptachatina / by C. Montague Cooke. 1911 -- v. 22. Achatinellidae / by Henry A. Pilsbry assisted by C. Montague Cooke. Genealogy and migrations of the Achatinellidae / by Alpheus Hyatt. 1912-1914 -- v. 23. Appendix to Amastridae. Tornatellinidae. Index, vols. XXI-XXIII / by Henry A. Pilsbry and C. Montague Cooke. 1915-1916 -- v. 24. Pupillidae (Gastocoptinae) / by Henry A. Pilsbry. 1916-1918 -- v. 25. Pupillidae (Gastrocoptinae, Vertigininae) / by Henry A. Pilsbry and C. Montague Cooke. 1918-1920 -- v. 26. Pupillidae (Vertigininae, Pupillinae) / by Henry A. Pilsbry. 1920-21 -- v. 27. Pupillidae (Orculinae, Pagodulinae, Acanthinulinae, etc.) / by Henry A. Pilsbry. Abidas and Chondrinas of the Pyrenees and the Iberian Peninsula / by F. Haas. 1922-1926 -- v. 28. Geographic distribution of Pupillidae : Strobilopsidae, Valloniidae and Pleucodiscidae / by Henry A. Pilsbry. Review of the anatomy of Pupillidae and related groups / by H. Burrington Baker. 1927-1935.n¡