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The genus Bankia Gray (Pelecypoda) in the Oligocene of Washington
Vol 4, Page 1
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A new Vexillum (Mitridae) from the Philippine Islands
Vol 4, Page 4
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What is Anatina anatina
Vol 4, Page 9
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A new whale barnacle from late Pleistocene deposits at San Quintin Bay, Faja California
Vol 4, Page 13
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A statistical study in cowries: The size of Mauritia arabica (Linnaeus)
Vol 4, Page 15
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New deep water mollusks from the Gulf of California
Vol 4, Page 18
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Notes on rare and little known Panamic mollusks
Vol 4, Page 22
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Four new Panamic gastropods
Vol 4, Page 25
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Observations of the effect of diet on shell coloration in the red abalone, Haliotis rufescens Swainson
Vol 4, Page 29
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Notes on the Mitridae of the eastern Pacific. I. Mitra fultoni
Vol 4, Page 32
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On Cypraea tigris schilderiana
Vol 4, Page 36
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A study of the reproductive cycle in the California Acmaeidae (Gastropoda). III
Vol 4, Page 41
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Color photography of living marine mollusks
Vol 4, Page 47
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Range extension for Trivia elsiae
Vol 4, Page 50
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Ralph Arnold (1875-1961)
Vol 4, Page 51
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Narcotizing and fixing opisthobranchs
Vol 4, Page 52
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A new doridid nudibranch from Torquay, Victoria
Vol 4, Page 55
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Kotes on the opisthobranchs of the west coast of North America. I. Nomenclature! changes in the order Nudibranchia (Southern California)
Vol 4, Page 57
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A distributional list of Southern California opisthobranchs
Vol 4, Page 64
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A new commensal polyclad from Panama
Vol 4, Page 69
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A new sub-genus and species of coral-inhabiting barnacle from the Gulf of California
Vol 4, Page 71
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A discussion of Vexillum regina (Sowerby, 1825) and related species, with description of a new subspecies
Vol 4, Page 76
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Observations on the biology of Hermaeina smithi, a sacoglossan opisthobranch from the west coast of North America
Vol 4, Page 85
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On certain littoral species of Octolasmis (Cirripedia, Thoracica) symbiotic with decapod Crustacea from Australia, Hawaii, and Japan
Vol 4, Page 99
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Another statistical study in size of cowries
Vol 4, Page 107
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Remarks on a variation in Cypraea annettae Dall, 1909
Vol 4, Page 112
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Range extension of Anatina cyprinus (Wood, 1828)
Vol 4, Page 115
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Ciliary currents in the mantle cavity of species of Acmaea
Vol 4, Page 119
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Limestone boring by the mytilid Lithophaga
Vol 4, Page 123
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The fresh water clam Pisidium tremperi (Hannibal)
Vol 4, Page 129
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On the identifications of five Pacific Mitra
Vol 4, Page 132
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A study of the reproductive cycle in the California Acmaeidae (Gastropoda). IV
Vol 4, Page 134
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Revision of some Hawaiian mitrid species
Vol 4, Page 140
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Preliminary report on growth studies in Olivella biplicata
Vol 4, Page 150
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A new deep-water Anadara from the Gulf of California
Vol 4, Page 152
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Two new opisthobranch mollusks from Southern California
Vol 4, Page 155
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Egg-laying in Fusitriton oregonensis (Redfield)
Vol 4, Page 160
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On the systematic place of Cypraea mus
Vol 4, Page 161
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A living fossil
Vol 4, Page 162
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Revision of the Clavagellacea
Vol 4, Page 167
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A new Dampierian Cypraea
Vol 4, Page 175
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Nomenclatural notes on some West American mollusks, with proposal of a new species name
Vol 4, Page 178
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A new method of determining the accuracy of geotactic orientation of the snail, Helix aspersa Muller
Vol 4, Page 181
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Observations on three species of Vexillum (Gastropoda)
Vol 4, Page 184
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Manometric measurements of respiratory activity in Tegula funebralis
Vol 4, Page 191
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A study of food choices of two opisthobranchs, Rostanga pulchra McFarland and Archidoris montereyensis (Cooper)
Vol 4, Page 194
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Relationship of living weight to shell cavity volume in Helix aspersa
Vol 4, Page 197
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Type localities
Vol 4, Page 199
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A preliminary report of spawning and related phenomena of California chitons
Vol 4, Page 202
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Busy-cotypus (B.) canaliculatus in San Francisco Bay
Vol 4, Page 211
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New name for Strombus granulatus subsp. acutus Durham, 1950, not Perry, 1811
Vol 4, Page 213
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The W. Mack chiton collection
Vol 4, Page 214
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Arion ater (Linnaeus) in California
Vol 4, Page 215
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Notes on cleaning mollusks
Vol 4, Page 216