Volume 63 Number 4 (April 4, 1950)
- A. D. HOWARD. A new Verticordia from the Pacific Coast: 109–110
- J. M. OSTERGAARD. A new species of Cypraea from Hawaii: 111–112
- J. L. BAILY, JR. Locomotion in Lima: 112–113
- W. J. EYERDAM. West Indian marine mollusks from southern Brazil: 113–115
- H. B. HERRINGTON. Some wrong identifications of Sphaeriidae: 115–119
- C. J. BUSHEY. Land snails from Grant County, Indiana: 119–121
- L. LUTZ. A list of land Mollusca of Claiborne County, Tennessee, with description of a new subspecies of Triodopsis (continued): 121–123
- B. B. BAKER. Some mollusks near St. Petersburg, Florida: 123–125
- R. I. JOHNSON. On the selection of lectotypes: 125
- A. H. VERRILL. New marine mollusks from Dominica, B. W. I.: 126–128
- H. B. BAKER. Science and legality: 128–130
- L. R. LEVI and H. W. LEVI. New records of land snails from Wisconsin: 131–138
- H. DODGE. Hiatella Daudin versus Saxicava Bellevue: 138–139
- Notes and news: 140–143
- Publications received: 143–144
Volume 63 Number 3 (February 13, 1950)
- J. L. BAILY, JR. Some preliminary notes on the distribution of Mollusca in the lakes of the western states: 73–78
- C. GOODRICH. Goniobasis proxima (Say): 78–80
- J. S. SCHWENGEL. Two Pacific species of Phos: 80–82
- H. A. PILSBRY. Fresh water mollusks from Colombia and Guatemala: 82–85
- H. A. PILSBRY and T. L. MCGINTY. Vitrinellidae of Florida: part 5: 85–87
- P. BARTSCH. New west American turrids: 87–97
- G. D. HANNA. Some shells of Clear Lake, northern Modoc County, California: 97–99
- L. LUTZ. A list of the land Mollusca of Claiborne County, Tennessee, with description of a new subspecies of Triodopsis: 99–105
- Notes and news: 106–108
Volume 63 Number 2 (November 1, 1949)
- H. A. PILSBRY. Land Mollusks of Cayman Brac: 37–48
- H. E. WHEELER. Polygyra hippocrepis and its author, Louis Pfeiffer–II: 48–58
- R. T. ABBOTT. Sexual dimorphism in Indo-Pacific Strombus: 58–61
- R. T. ABBOTT. An Indian species of Clenchiella: 62
- G. K. MACMILLAN. Additional records of Gastrodonta fonticula Wurtz in West Virginia: 63–65
- H. A. PILSBRY. New Cerithiidae from Florida: 65–66
- M. C. TESKEY. The American Malacological Union Fifteenth Annual Meeting: 67–70
- Notes and news: 70–72
Volume 63 Number 1 (September 19, 1949)
- H. E. WHELLER. Polygyra hippocrepis and its author, Louis Pfeiffer: 1–9
- H. A. PILSBRY and T. L. MCGINTY. New marine mollusks of Florida and the Bahamas: 9–15
- H. A. PILSBRY. A West Indian Hydatina: 15–17
- C. G. AGUAYO. Malacology and the official list of generic names: 17–19
- C. B. WURTZ. Physa heterostropha (Say): 20–33
- Y. KONDO. Charles Montague Cooke Jr.: 33–36
- Notes and news: 36
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