Volume 55 Number 4 (May 7, 1942)
- DR. F. HAAS. The habits of life of some West Coast bivalves: 109–113
- A. SORENSEN. Collecting in Mexico: 113–115
- C. GOODRICH. Observations upon a Florida form of Viviparus: 115–118
- C. GOODRICH. Certain remarks about labels: 119–120
- J. W. DURHAM. Four new gastropods from the Gulf of California: 120–125
- C. COTTAM. Supplementary notes on the food of the limpkin: 125–128
- K. W. PALMER. Notes on the name Litiopa melanostoma Rang and distribution of the species: 128–130
- F. C. BAKER. A new Gyraulus from the Pleistocene of California and a new Parapholyx from a supposed Pliocene deposit in Oregon: 130–132
- W. J. EYERDAM. Excursions to Lake Baical: 133–139
- Ida Shepard Oldroyd: 140–141
- Notes and news: 141–144
Volume 55 Number 3 (January 12, 1942)
- W. J. CLENCH. A remarkable development of pseudosculpture on a bivalve: 73–77
- M. MOORE, M.D. A psychiatrist’s note on shells: 75
- T. BAYER. Observations on Mitra florida Gould: 78–80
- H. D. RUSSELL. Observations on the feeding of Aeolidia papillosa L., with notes on the hatching of the veligers of Cuthona amoena A. & H.: 80–82
- H. D. RUSSELL. The American species of Viviparus: 82–92
- D. S. and E. W. GIFFORD. Olivella pycna: 92–93
- A. CARCELLES. First record of Bartlettia in Paraguay: 93–94
- A. F. ARCHER. Pine woods as adequate habitat types for land Mollusca: 94–97
- P. L. MARSH. Zoögenetes harpa (Say) in the Rocky Mountains: 97–98
- W. M. INGRAM. Food habits of Haplotrema minimum Ancey and habits of associated mollusks on the Mills College campus: 98–102
- Notes and news: 102–107
- Publications received: 107–108
Volume 55 Number 2 (October 24, 1941)
- J. S. SCHWENGEL. A genus and family of marine mollusks new to the United States: 37-40
- T. C. YEN. Notes on the genus Lagochilus Blanford, with special reference to its Chinese species: 40-43
- T. BAYER. Notes on Florida Mollusca, with descriptions of two new varieties: 43-46
- A. M. STRONG. Notes on Epitonium (Nitidoscala) tinctum (Carpenter): 46-47
- T. BURCH. A survey of the West American Aligenas with a description of a new species: 48-51
- H. B. BAKER. Outline of American Oleacininae and new species from Mexico: 51-61
- G. R. WEBB. The Michigan Arion circumscriptus colony: 61
- Publications received: 62-64
- Notes and news: 64-80
- I. C. ROBERTSON. The eleventh annual meeting of the American Malacological Union: 70-72
Volume 55 Number 1 (July 11, 1941)
- DR. V. D. P. SPICER. Shells from Midway: 1–2
- F. HARPER. Further notes on the food of the limpkin: 3–4
- A. F. ARCHER. The land Mollusca of Coosa County, Alabama: 4–10
- D. S. and E. W. GIFFORD. Color variation in Olivella biplicata: 10–12
- W. M. INGRAM. Utilization of stones for shelter by land snails: 13–16
- F. C. BAKER. A new race of Parapholyx effusa: 16–17
- S. T. CHEN. A new species of fresh water mollusk from China: 17–18
- W. J. EYERDAM. Lymnea auricularia Linnaeus in western Washington and Kamchatka: 18–19
- DR. T. HAAS. What is Anodonta (Euphrata) bahlikiana Pallary?: 20–21
- G. K. MACMILLAN. Notes on Anguispira and Discus: 21–23
- H. B. BAKER. Puerto Rican Oleacinicae: 24–30
- Notes and news: 30–33
- Publications received: 34–36
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