Volume 27 Number 12 (April 16, 1914)
- H. A. PILSBRY. A new Cuban land operculate: 133–134
- J. H. FERRISS. Notes: 134–136
- J. B. HENDERSON. Cuban collecting; San Diego de los Banos: 136–139
- O. O. NYLANDER. Distribution of some fresh water shells of the St. John’s River Valley in Maine, New Brunswick and Quebec: 139–141
- Publications received: 142–143
- Notes: 143–144
Volume 27 Number 11 (March 19, 1914)
- W. H. DALL. Notes on some West American pectens: 121–122
- J. HENDERSON. A new Sonorella from the Grand Canyon, Arizona: 122–124
- B. WALKER. Notes on the Ancylidae of North Africa (concluded): 124–131
- C. GOODRICH. Union of the Wabash and Maumee drainage systems: 131–132
Volume 27 Number 10 (February 9, 1914)
- J. H. FERRISS. Camps in the Catalinas and White Mountains of Arizona, with description of a new American land shell: 109–112
- Z. FRANKENBERGER. Physa heterostropha Say in Europe: 112–113
- B. WALKER. Notes on the Ancylidae of North Africa: 113–117
- Anonymous: Poisoning by the bite of Conus geographus: 117–120
- Notes: 120
Volume 27 Number 9 (January 2, 1914)
- W. F. CLAPP. List of land shells from Swan Island, with descriptions of five new species: 97–101
- A. OLSSON. Notes on Miocene correlation: 101–103
- W. H. DALL. Note on Clementia obliqua Jukes-Browne: 103–104
- F. C. BAKER. Northern Idaho shells: 104–106
- Publications received: 106–107
- Notes: 107–108
Volume 27 Number 8 (December 10, 1913)
- L. S. FRIERSON. Two new species of Parreysia from Kamerun, Africa: 85–86
- W. H. DALL. A new genus of Trochidae: 86–87
- A. E. ORTMANN. Studies in najades: 88–91
- C. GOODRICH. Spring collecting in southwest Virginia (concluded): 91–95
- Notes: 95–96
Volume 27 Number 7 (November 6, 1913)
- E. S. MORSE. Notes on Thracia conradi: 73–77
- G. H. CLAPP. Gundlachia hjalmarsoni Pfr. in the Rio Grande, Texas: 77–78
- C. HEDLEY. On the nomenclature of Drupa: 79–80
- C. GOODRICH. Spring collecting in Southwest Virginia: 81–82
- Notes: 83–84
Volume 27 Number 6 (October 9, 1913)
- C. W. JOHNSON. Further notes on Helix hortensis in New England: 61–63
- G. H. CLAPP. Land shells collected on the Bimini Islands, Gun and Cat Cays, Bahamas: 63–64
- J. B. HENDERSON, JR. and G. H. CLAPP. Cerion (Strophiops) biminiense sp. nov.: 64–65
- H. A. PILSBRY. New species of Clausilia and Partula from the collection of Mr. J. S. Emerson: 65–67
- F. C. BAKER. Notes on post-glacial Mollusca, II: Waukesha County, Wisconsin: 68
- C. M. COOKE. A new sinistral Amastra: 68–69
- M. SMITH. On Cyprea miliaris Gmel., with descriptions of new varieties: 69–70
- Notes: 70–72
Volume 27 Number 5 (September 9, 1913)
- H. A. PILSBRY. Note on a new variety of Epiph[r]agmophora tudiculata: 49–50
- H. A. PILSBRY. Notes on some oreohelices from Wyoming: 50–54
- F. C. BAKER. Mollusca from Wyoming Co., N.Y.: 54
- T. IREDALE. The generic name to be used for Murex tritonis Linne: 55–56
- B. WALKER. The Unione fauna of the Great Lakes (continued): 56–59
- J. B. HENDERSON. Marine shells from drift on Upper Matecumbe Key, Florida: 59–60
- J. N. FERRISS. Correspondence from Arizona: 60
Volume 27 Number 4 (August 7, 1913)
- Anonymous. Illustrations of Cuban and West American shells: 37
- J. HENDERSON. Some Wyoming snails: 37–38
- J. HENDERSON. A new Oreohelix from Colorado: 38–39
- H. A. PILSBRY. Two new Achatinellidae of Oahu: 39–40
- B. WALKER. The Unione fauna of the Great Lakes (continued): 40–47
- Publications received: 47–48
- Notes: 48
Volume 27 Number 3 (July 18, 1913)
- H. N. LOWE. Shell collecting on the West Coast of Baja California: 25–29
- B. WALKER. The Unione fauna of the Great Lakes (continued): 29–34
- Notes: 35
- Publications received: 35–36
Volume 27 Number 2 (June 21, 1913)
- Anonymous. A conchological museum for Japan: 13–14
- L. S. FRIERSON. Unio (Nephronaias) ortmanni, n. sp.: 14–15
- C. STOCK. The Pacific Conchological Club: 16
- M. SMITH. The Zoölogical Station at Naples (concluded): 16–17
- B. WALKER. The Unione fauna of the Great Lakes: 18–23
- Notes: 24
- Publications received: 24
Volume 27 Number 1 (May 8, 1913)
- T. D. A. COCKERELL. A slug of the genus Veronicella from Guatemala: 1–2
- T. D. A. COCKERELL. A Philomycus from the Republic of Panama: 2–3
- M. SMITH. The Zoölogical Station at Naples: 4–6
- F. C. BAKER. Notes on post-glacial Mollusca. I. Emmet County, Michigan: 7–8
- E. W. PRESBREY. Concerning Cypraea exanthema, cervus and cervinetta: 8–11
- C. T. RAMSDEN. Urocoptis (Arangia) sowerbyana (Pfr.) - A note on its radula: 11–12
- Notes: 12
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