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Notes on some fresh-water shells from the Yukon Territory
Vol 19, Page 1
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Shell-collecting on the Mosquito Coast of Nicaragua
Vol 19, Page 8
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New Unionidae from Alabama
Vol 19, Page 13
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A second contribution to West Coast conchology - II
Vol 19, Page 19
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Note on a variety of Crepidula nivea C. B. Adams, from San Pedro, California
Vol 19, Page 26
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Notes on a collection of shells from Bass Lake, Indiana
Vol 19, Page 27
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A new species of Succinea
Vol 19, Page 28
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Cycladidae of the southern states
Vol 19, Page 30
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Shell collecting on the Mosquito Coast of Nicaragua - III
Vol 19, Page 32
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A new Californian Helix
Vol 19, Page 41
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Remarks on some land and fresh-water shells from the New Hebrides, with description on new species
Vol 19, Page 42
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A fossil form of Oreohelix yavapai, Pilsbry
Vol 19, Page 46
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Notes on young Unionidae
Vol 19, Page 49
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New varieties of Crepidula rugosa Nutt. found on Natica and Norrisia
Vol 19, Page 50
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Vertigo perryi, n. sp
Vol 19, Page 53
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Shell collecting on the Mosquito Coast of Nicaragua - IV
Vol 19, Page 55
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Description of a new species of Goniobasis, from British Columbia
Vol 19, Page 61
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Notes on Moellendorffia and Stegodera
Vol 19, Page 63
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The snails of New Mexico and Arizona
Vol 19, Page 68
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Descriptions of two new forms of Polygyra
Vol 19, Page 73
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On some Cypraeidae in the collection of Mr. D.W. Ferguson, of Brooklyn, with descriptions of several new varieties
Vol 19, Page 75
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Shell collecting on the Mosquito Coast of Nicaragua - V
Vol 19, Page 78
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New varieties of North American Pisidia
Vol 19, Page 80
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Some notes on living Strombus pugilis
Vol 19, Page 85
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A new Chiton from the New England coast
Vol 19, Page 88
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A new brackish-water snail from New England
Vol 19, Page 90
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New and little known species of Amnicolidae
Vol 19, Page 97
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An Ordovician gastropod retaining color markings
Vol 19, Page 101
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Shells of Prince Edward Island
Vol 19, Page 103
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Note on some forgotten mollusk-names
Vol 19, Page 104
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Samuel Hart Wright
Vol 19, Page 105
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Description of new species of Achatinellidae from the Hawaiian islands
Vol 19, Page 111
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New and little known species of Amnicolidae (continued)
Vol 19, Page 114
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On Bifidaria pentodon and its allies
Vol 19, Page 121
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Dredging in FrenchmanÂ’s Bay, Maine
Vol 19, Page 128
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On a new Floridian Calliostoma
Vol 19, Page 131
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A new subspecies of Polygyra multilineata Say
Vol 19, Page 141
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A new Chinese Sitala
Vol 20, Page 5
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Mollusks of Oklahoma
Vol 20, Page 16
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New species of Pisidium
Vol 20, Page 17
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A new Sphaerium from Illinois
Vol 20, Page 21
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List of Wisconsin shells
Vol 20, Page 22
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Some shells of Mississipi and Alabama
Vol 20, Page 34
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The west American species of Pleurotoma, sub-genus Genota
Vol 20, Page 37
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Note on the genus Glabaris Gray or Patularia Swainson
Vol 20, Page 39
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Some shells of Mississippi and Alabama (continued)
Vol 20, Page 40
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Descriptions of two new Cleopatra and a Pisidium
Vol 20, Page 45
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Note on Lepyrium
Vol 20, Page 51
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Some shells of Mississippi and Alabama (concluded)
Vol 20, Page 52
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Note on Vitrea approxima and V. vanattai
Vol 20, Page 57
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Subspecies, mutations and forms
Vol 20, Page 58
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Remarks on certain New England chitons, with description of a new variety
Vol 20, Page 62
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Sphaerium hendersoni n. sp
Vol 20, Page 69
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A list of shells from Nebraska
Vol 20, Page 81
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New Pisidia
Vol 20, Page 87
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A note upon the insufficiency of the operculum as a basis of classification in round-mouthed shells
Vol 20, Page 91
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New Pisidia
Vol 20, Page 98
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Land shells from east shore of Cayuga Lake
Vol 20, Page 100
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A note upon the insufficiency of the operculum as a basis of classification in round-mouthed shells (continued)
Vol 20, Page 102
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New species of Stenotrema and Paravitrea from Alabama
Vol 20, Page 109
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A note upon the insufficiency of the operculum as a basis of classification in round-mouthed shells (concluded)
Vol 20, Page 113
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A new species of Segmentina
Vol 20, Page 122
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Descriptions of new species of Lymnoea
Vol 20, Page 125
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Three new species of Scala from California
Vol 20, Page 127
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Notes on some new Mexican ashmunellas
Vol 20, Page 133
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Abalones and the earthquake
Vol 20, Page 135
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Descriptions of Cypraea Bernardinae and Calliostoma carnicolor n. sp
Vol 20, Page 139
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Description of a new Bifidaria (B. agna)
Vol 20, Page 140
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Correspondence
Vol 20, Page 142
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A list of land and fresh-water shells of Yemassee, South Carolina
Vol 21, Page 7
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The origin of the lung in Ampullaria
Vol 21, Page 11
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Notes on Gundlachia I
Vol 21, Page 14
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Description of a New Mexican Pachycheilus
Vol 21, Page 25
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The U. S. Coast survey expedition to Alaska in the year 1867
Vol 21, Page 29
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A few notes on SayÂ’s early writings and species
Vol 21, Page 31
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New land and fresh-water shells from Mexico
Vol 21, Page 38
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Annotated list of the Mollusca found in the vicinity of La Jolla, San Diego Co., Cal. (concluded)
Vol 21, Page 65
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Cape Cod notes
Vol 21, Page 74
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Shells collected in northeastern Mexico (concluded)
Vol 21, Page 76
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A new Mexican mussel, Lampsilis fimbriata
Vol 21, Page 86
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A new Zonitoid shell from the Miocene, Florissant, Colorado
Vol 21, Page 89
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A list of the land shells of Lee County, Florida
Vol 21, Page 99
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A new species of Pyrgulopsis
Vol 21, Page 117
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Notes on some Australian Unionidae
Vol 21, Page 118
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Subdivisions of the Terebridae
Vol 21, Page 124
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New species of Ancylidae
Vol 21, Page 126
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A new Micrarionta from Arizona
Vol 21, Page 134
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New species of Ancylidae
Vol 21, Page 138