Volume 1 Number 12 (June 28, 1887)
- Editorial notes: 73
- W. A. MARSH. Brief notes on the land and fresh-water shells of Mercer Co., Ill. (continued): 7475
- C. F. ANCEY. Description of new genera or sub-genera of Helicidae (continued): 7576
- H. F. CARPENTER. The shell-bearing Mollusca of Rhode Island (continued): 7677
- V. STERKI. How to collect small land shells: 7879
- A. LOOFBET. A suggestion to our young friends: 80
- Publications received: 80
- General notes: 8184
Volume 1 Number 11 (May, 1887)
- Editorial notes: 61
- W. A. MARSH. Brief notes on the land and fresh-water shells of Mercer Co., Ill. (continued): 6263
- T. ROGERS. Planorbis dilatatus, Gould, in England: 63
- C. F. ANCEY. Description of new genera or sub-genera of Helicidae (continued): 64
- C. T. SIMPSON. Succinea lineata, W.G.B., in Nebraska: 65
- General notes: 66
- V. STERKI. How to collect small land shells: 6768
- General notes: 6872
Volume 1 Number 9/10 (April 30, 1887)
- Editorial notes: 49
- W. M. BEAUCHAMP. Erosion of fresh-water shells: 49
- W. A. MARSH. Brief notes on the land and fresh-water shells of Mercer Co., Ill. (continued): 5051
- C. T. SIMPSON. Record of a two days dredging cruise in Tampa Bay, Florida (continued): 5253
- C. F. ANCEY. Description of new genera or sub-genera of Helicidae (continued): 5354
- Correspondence: 5455
- General notes: 55
- A. A. HINKLEY. Record of a short collecting tour in White, Hardin & Gallatin Counties, Ill.: 56
- General notes: 5660
Volume 1 Number 8 (March 9, 1887)
- Editorial notes: 41
- W. A. MARSH. Brief notes on the land and fresh-water shells of Mercer Co., Ill.: 4243
- C. T. SIMPSON. Record of a two days dredging cruise in Tampa Bay, Florida: 44
- V. STERKI. Collecting shells in drift: 45
- General notes: 4548
Volume 1 Number 7 (February 25, 1887)
- Editorial notes: 33
- Anonymous. The strength of snails: 34
- Anonymous. Rare cypraeas: 34
- Anonymous. Erosion of fresh-water shells: 34
- Anonymous. The vitality of Mollusca: 35
- General notes: 3540
Volume 1 Number 6 (December 28, 1886)
- Editorial notes: 2526
- Correspondence: 2627
- General notes: 2731
Volume 1 Number 5 (December 6, 1886)
- Editorial notes: 19
- C. F. ANCEY. Diagnoses of a few sub-genera in Helicidae: 20
- H. A. PILSBRY. Notes on some New Orleans fresh-water shells: 2021
- J. FORD. A day among the mollusks: 21
- General notes: 2224
Volume 1 Number 4 (October, 1886)
- Editorial notes: 1112
- J. J. BROWN. Notes on the Mollusca of the Bahamas: 1213
- General notes: 1317
Volume 1 Number 3 (September 27, 1886)
- Editorial notes: 56
- Anonymous. The faunatic dependence of the Mediterranean upon the Atlantic: 6
- Anonymous. A word to our younger friends: 67
- Anonymous. Arion subfuscus and Helix hispida var. fusca in Yorkshire: 7
- General notes: 710
Volume 1 Number 2 (August, 1886)
- Editorial notes: 12
- General notes: 34
Volume 1 Number 1 (July, 1886)
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