Contents of Volume 6 (1892–1893)

• Anonymous. Illustrations of new species of shells: 133
• C. T. SIMPSON. A new Anodonta: 134–135
• B. WALKER. The shell-bearing Mollusca of Michigan: 135–141
• M. J. ELROD. George W. Lichtenthaler: 141–143
• Notes and notices: 143–144

• H. V. IHERING. Observations on the helices of New Zealand: 121–124
• C. HEDLEY. On the origin of the land-snail fauna of Queensland, Australia: 124–125
• W. B. MARSHALL. Helices colonized in Herkimer Co., N.Y.: 126
• B. H. WRIGHT. Notes on Unio coruscus Gould: 126–127
• T. D. A. COCKERELL. Slugs injuring coffee: 127–128
• H. A. PILSBRY. Notes on the helices of the Biologia Centrali-Americana: 128–129
• H. A. PILSBRY. Notes upon Dr. v. Ihering’s observations: 129–130
• W. J. RAYMOND. G. W. Lichtenthaler: 131
• Notes and notices: 131–132

• W. H. DALL. Additional shells from the coast of southern Brazil: 109–112
• J. FORD. Description of a new form of Cypraea: 112–113
• B. H. WRIGHT. The Unio muddle: 113–116
• B. WILLIAMSON. On Clementia subdiaphana Cpr. in San Pedro Bay: 116
• H. A. PILSBRY. Description of a new species of Bulimus: 116–117
• H. A. PILSBRY. Notes on the helices of the Biologia Centrali-Americana: 117–118
• Notes and notices: 118–120

• W. D. HARTMAN. Catalogue of the genus Partula: 97–99
• V. STERKI. Bifidaria: a new subgenus of Pupa: 99–101
• F. A. SAMPSON. Shells of William’s Cañon, Colorado: 102
• O. A. CRANDALL. Post Pliocene shells: 103
• H. A. PILSBRY. On Acanthopleura and its subgenera: 104–105
• H. A. PILSBRY. A new trochid from Japan: 105–106
• Notes and news: 106–108

• R. E. C. STEARNS. Preliminary descriptions of new molluscan forms from west American regions, etc.: 85–89
• G. W. TAYLOR. Note on Acmaea saccharina (Linne): 89–90
• T. H. ALDRICH. A new land shell from Sumatra: 90
• F. A. SAMPSON. Mesodon andrewsi in Missouri: 90–91
• Anonymous. A visit to Ward’s: 91–94
• Notes and news: 94–96

• W. D. HARTMAN. Catalogue of the genus Partula: 73–76
• F. E. SARGENT. Annotated list of Alabama land Mollusca: 76–78
• C. T. SIMPSON. On a revision of the American Unionidae: 78–80
• S. H. WRIGHT and B. H. WRIGHT. On the revision of the Unionidae: 80–81
• Notes and news: 81–84

• H. A. PILSBRY. On the amnicoloid genus Lyogyrus, with the description of a new species: 61–62
• H. W. WINKLEY. A few additional notes on Crepidula: 63
• B. WALKER. The shell bearing Mollusca of Michigan: 63–67
• H. A. PILSBRY. Observations on the helicoid group Charopa and allied forms: 67–69
• G. W. TAYLOR. Japanese limpets: 69–70
• American Association of Conchologists: 70–72
• Notes and news: 72

• E. W. ROPER. Shell collecting at Eastport: 49–50
• J. H. CAMPBELL. An important discovery - a new fossil Cypraea: 50–51
• W. M. WOOD. Appearance of an Asiatic Anodonta in the Chinese markets of San Francisco: 51–52
• W. H. DALL. Note on Cytherea convexa Say: 52–53
• V. STERKI. Hyalinia laeviuscula n. sp.: 53–54
• H. A. PILSBRY. Observations on the helices of New Zealand: 54–57
• American Association of Conchologists: 57–60

• C. T. SIMPSON. Collecting notes: 37–40
• W. STONE. On Atlantic crepidulas: 40–42
• B. WALKER. The shell bearing Mollusca of Michigan (concluded): 42–47
• W. B. MARSHALL. Gould’s types of Nassa and Columbella: 47–48
• General notes: 48

• J. FORD. Some remarks on New Jersey coast shells: 25–29
• T. D. A. COCKERELL. Notes on the North American species of Succinea (continued): 29–31
• B. WALKER. The shell bearing Mollusca of Michigan (continued): 31–35
• General notes: 36

• B. WALKER. The shell bearing Mollusca of Michigan: 13–19
• W. B. MARSHALL. Littoral land shells of New Jersey: 19
• O. A. CRANDALL. Physa heterostropha: 20–21
• T. D. A. COCKERELL. Notes on the North American species of Succinea: 21–23
• General notes: 23–24

• R. E. C. STEARNS. Patula strigosa Gould, in Arizona: 1–2
• V. STERKI. Preliminary list of North American Pupidae (north of Mexico): 2–8
• C. W. JOHNSON. A new American Helix: 8–9
• H. A. PILSBRY. Note on the group Panda: 9
• Anonymous: Obituary. The Abbé Provancher: 9–10
• Notes and news: 10–12