Contents of Volume 48 (1934–1935)

• B. SHIMEK. The effect of pollution on mollusks in Iowa: 109–111
• E. P. CHEATUM. Gastropods of the David Mountains vicinity in West Texas: 112–116
• H. A. PILSBRY and A. A. OLSSON. New mollusks from the Panamic Province: 116–121
• W. J. CLENCH. New races of Liguus from Florida and Cuba: 121–125
• W. J. CLENCH. A new subgenus and a new species of Placostylus from the Solomon Islands: 126
• H. A. REHDER. New Caribbean marine shells: 127–130
• J. HENDERSON. West American species of Goniobasis, with descriptions of new forms: 130–134
• H. B. BAKER. Jamaican land snails, 4: 135–140
• D. T. JONES. Burrowing of snails: 140–142
• Notes and news: 142–144

• J. L. BAILY, JR. The first Pacific conchologist: 73–75
• W. J. EYERDAM. The red shell money of western Melanesia: 76–77
• A. F. ARCHER. Ecology of the land Mollusca of Asheville, North Carolina: 77–83
• H. B. BAKER. Jamaican land snails, 3: 83–88
• S. S. BERRY. A further record of a chiton (Nuttallina) with nine valves: 89–90
• G. D. HANNA and L. G. HERTLEIN. Longevity of Mitra in captivity: 90–91
• H. A. PILSBRY. Western and southwestern Amnicolidae and a new Humboldtiana: 91–94
• J. HENDERSON. West American species of Goniobasis with descriptions of new forms: 94–99
• D. L. FOX. A biochemical method of internally cleaning small molluscan shells: 99–100
• S. T. BROOKS. Apelxa hypnorum pilsbryi n. subsp.: 100
• S. R. MAGRUDER. Record of a crystalline style in two fresh-water gastropods: 101–102
• J. H. BLAKE. Edward Goss Humphrey: 103
• Anon. Dr. Howard P. Bellows: 103–104
• Notes and news: 104–108

• E. A. ANDREWS. Restoration of shell parts by the painted snail, Polymita picta Born: 37–43
• H. N. LOWE. On the Sonoran side of the Gulf (concluded): 43–46
• W. J. EYERDAM. Land and freshwater shells from the vicinity of Yakima, Washington: 46–48
• A. F. ARCHER. The Polygyra tridentata complex (concluded): 49–53
• H. A. PILSBRY and C. M. COOKE, JR. Notes on the nomenclature of Hawaiian Helicindae: 53–54
• M. E. PINNEY and R. E. COKER. Terrestrial and fresh water gastropods of the Allegany State Park in New York State: 55–60
• H. B. BAKER. Jamaican land snails, 2: 60–67
• H. A. PILSBRY and H. N. LOWE. Some desert helices of the genus Micrarionta: 67–68
• T. L. MCGINTY. A new Helicostyla from the Philippine Islands: 68–69
• Notes and news: 69–71
• Anon. The fourth annual meeting of the American Malacological Union: 72

• H. N. LOWE. On the Sonoran side of the Gulf: 1–4
• F. BAKER. A conchological Rip Van Winkle: 5–6
• H. B. BAKER. Jamaican land snails: 6–14
• H. A. PILSBRY. Pliocene fresh-water fossils of the Kettleman Hills and neighboring Californian oil fields: 15–17
• F. C. BAKER. New Lymnaeidae from the United States and Canada: I. California, Oregon and other western states: 17–20
• A. F. ARCHER. The Polygyra tridentata complex: 20–26
• S. R. MAGRUDER. Notes on the life history of Pleurocera canaliculatum undulatum Say: 26–28
• B. H. WRIGHT. A new Florida pearly fresh-water mussel: 28–29
• T. WILLARD. Boston Malacological Club: 29–31
• D. L. EMERY. Charles Curry Allen: 31–33
• Notes and news: 33
• Publications received: 34–36