Volume 32 Number 4 (May 5, 1919)- B. WALKER. Notes on certain Philippine species of Viviparus: 109–124
- W. A. BRYAN. A Hawaiian form of Tapes philippinarum: 124–125
- P. BARTSCH. A new Epiphragmophora from the coast range of California: 126–127
- E. J. WHITTAKER. Notes on variation in Planorbis campanulatus Say from Blue Sea Lake, Quebec: 127–134
- A. JACOT. On the land shells of Monroe, Connecticut: 134–136
- J. HENDERSON. Some further comments upon the work of Lorenzo Eugene Daniels: 137–138
- L. S. FRIERSON. Remarks upon the identity of “Unio fasciata,” Rafinesque: 139–141
- H. A. PILSBRY. Elizabeth Letson Bryan, Sc. D.: 142–143
- Notes: 143–144
- Publications received: 144
Volume 32 Number 3 (January 17, 1919)
- E. S. MORSE. New forms of Caecum in New England: 73–77
- E. S. MORSE. A European mollusk, Helcion pellucidum, never before recorded in America: 77–78
- G. H. CLAPP and J. H. FERRISS. Praticolella campi, sp. nov. (plate VI, figs, 1 to 4): 78–79
- W. H. DALL. Stylobates, a warning: 79-80
- H. A. PILSBRY. Nenia cooki n. sp. (plate VII, figs. 11, 12, 13): 80–81
- H. H. FERRISS. My journey to the Blue and White Mountains, Arizona: 81
- W. F. CLAPP. A new Opisthosiphon from Cuba: 86–90
- A. JACOT. Some marine Mollusca about New York City: 90–94
- F. C. BAKER. Description of a new species and variety of Planorbis from post-glacial deposits: 94–97
- F. C. BAKER. Mollusks infested with parasitic worms: 97–98
- H. A. PILSBRY. Types of generic names proposed for Achatinae: 98–99
- J. H. FERRISS. Lorenzo E. Daniels: 99–101
- C. W. JOHNSON. Joseph Willcox: 101–102
- Notes: 103–106
- Publications received: 106–108
Volume 32 Number 2 (October 22, 1918)
- C. W. JOHNSON. The Avicula candeana of d’Orbigny, from Bermuda: 37–
39
- J. HENDERSON. A mollusk hunt in Wyoming: 40–47
- W. F. CLAPP. A new Priotrochatella from the Isle of Pines, Cuba: 47–51
- W. B. MARSHALL. Lampsilis ventricosa cohongoronta in the Potomac Valley: 51–53
- P. BARTSCH. The status of Loboa brunoi von Ihering: 53–54
- C. R. ORCUTT. Helix areolata: 55–58
- T. D. A. COCKERELL. Some Philippine snails: 58–59
- J. HENDERSON. The nomenclature and systematic positions of some North American fossil and recent mollusks: 60–64
- G. WILLETT. Notes on the Mollusca of Forrester Island, Alaska: 65–69
- Publications received: 69–71
- Notes: 71–72
- C. HEDLEY. Henry Suter: 72
Volume 32 Number 1 (July 20, 1918)
- W. H. DALL. Notes on the genus Trachydermon Carpenter: 1–3
- J. H. FERRISS. Camping in the Sierras and the desert. Plate I: 3–9
- N. M. GRIER. New varieties of naiades from Lake Erie: 9–12
- S. S. BERRY. A further note on the genus Trachydermon: 12
- A. E. ORTMANN. The systematic position of two species of mussels from the Ozarks: 13–15
- P. BARTSCH. New landshells from the Philippines: 15–16
- M. M. ELLIS and M. KEIM. Notes on the glochidia of Strophitus edentulus pavonius (Lea) from Colorado: 17–18
- F. C. BAKER. Notes on nudification in Gillia and Amnicola: 19–23
- W. H. DALL. Pleistocene fossils of Magdalena Bay, Lower California, collected by Charles Russell Orcutt: 23–26
- I. S. OLDROYD. List of shells from Angel and Tiburon Islands, Gulf of California, with description of a new species: 26–27
- I. S. OLDROYD. A new species of Cuspidaria from Monterey: 28
- B. WALKER. Another "Martyn": 28–33
- E. G. HUMPHREY. Boston Malacological Club: 33–34
- Notes: 34–35
- Publications received: 35–36
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