Volume 44 Number 4 (April 27, 1931)
- J. HENDERSON. The problem of the Mollusca of Bear Lake and Utah Lake, Idaho-Utah: 109–113
- E. G. BERRY. Mollusca of Lamb’s Canyon, Utah: 113–114
- D. D. JEWELL. Observations on reproduction in the snail Goniobasis: 115–119
- F. C. BAKER. Description of a new variety of Valvata lewisi Currier: 119–121
- H. A. PILSBRY and J. HENDERSON. A new subspecies of Polygyra from Idaho: 121–122
- S. S. BERRY. A new Californian race of Monadenia: 122–123
- G. WILLETT. Two new helicoids from the Mohave Desert, California: 123–125
- C. W. JOHNSON. Lima inflata and its nest: 126
- F. R. WILSON. Mollusks collected in northern West Virginia: 127–130
- H. B. BAKER. Notes on West Indian Veronicellidae: 131–137
- H. A. PILSBRY. Some type designations in helices and Ferussacidae: 138–140
- Publications received: 140–142
- Notes and news: 143–144
- A union of American Conchologists: 144
Volume 44 Number 3 (January 27, 1931)
- S. S. BERRY. The genus Oreohelix in California: 73–75
- J. HENDERSON. A new lymnaeid from Idaho: 75–77
- J. HENDERSON. Variation in Carinifex newberryi (Lea) and Lymnaea utahensis (Call): 77–79
- W. J. CLENCH. Camptoceras (Culmenella) prashadi nom. nov.: 80
- H. A. PILSBRY. Land shells collected by Mr. N. H. Lowe in western Mexico: 81–84
- H. A. PILSBRY. Central American Pachychilus and Polymesoda: 84–85
- S. C. FIELD. Notes on the occurrence of Micrarionta kellettii (Forbes) on the Californian mainland near San Pedro: 86
- D. T. JONES. Red Cedar River collections (Iowa): 87–91
- I. S. OLDROYD and U. S. GRANT IV. A Pleistocene molluscan fauna from near Goleta, Santa Barbara County, California: 91–94
- C. M. COOKE. Joseph Swift Emerson: 94–95
- T. IREDALE. John Brazier, 1842–1930: 95–96
- Anon. Bernard Barham Woodward: 97
- C. W. JOHNSON. James Henry Emerton: 97–98
- Notes and news: 98–102
- Publications received: 102–108
Volume 44 Number 2 (October 21, 1930)
- B. SHIMEK. Pleistocene and recent mollusks: 37–41
- W. B. MARSHALL. Former and present terms used in describing fresh-water mussels: 41–42
- H. N. LOWE. A new land shell from San Benito County, California: 42–43
- E. H. AHLSTROM. Mollusks collected in Bass Island Region, Lake Erie: 44–48
- D. L. FRIZZELL. The status of Paphia tenerrima alta Waterfall: 48–50
- D. L. FRIZZELL. Variation in the sculpture of Acila castrensis Hinds: 50–53
- S. W. HOWE. A study of the variations in the radula of a snail with particular reference to the size of the median teeth: 53–66
- H. A. PILSBRY. New Californian snails: 66–67
- Notes and news: 68–71
- Publications received: 72
Volume 44 Number 1 (July 17, 1930)
- C. W. JOHNSON. The variations of Aporrhais occidentalis Beck: 1–4
- G. WILLETT. Desert helicoids of the Micrarionta hutsoni group: 4–7
- E. P. and E. M. CHACE. Two seven-valved chitons from Mendocino, California: 7–8
- J. HENDERSON. Newfoundland, a promising conchological field: 9–10
- W. J. CLENCH and H. A. REHDER. A new Humboldtiana from Texas: 10–13
- W. J. CLENCH. Additional notes on the colony of Helix nemoralis at Marion, Mass.: 13–14
- C. DE LA TORRE and W. J. CLENCH. West Indian mollusks. No. 1 - Two new varieties of Urocoptis livida Torre: 15–16
- A. F. ARCHER. Notes on the land shells of Rio, Kentucky: 16–17
- G. D. HANNA and J. L. NICHOLSON. Rediscovery of Polygyra roperi Pilsbry: 17–18
- W. B. MARSHALL. Lampsilis ventricosus cohongoronta in the Potomac River: 19–21
- F. C. BAKER. The variation of molluscan life during Pleistocene and recent time: 21–24
- H. N. LOWE. Shell collecting on the west Mexican coast, II: 24–27
- T. WILLARD. The Boston Malacological Club: 27–29
- Notes and news: 29–32
- Publications received: 33–36
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