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Descriptions of new species of mollusks of the family Turritidae from the west coast of America and adjacent regions
Volume 56, Page 1
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A review of the leafhoppers of the genus Gypona north of Mexico
Volume 56, Page 87
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A new foraminifer commensal on Cyclammina
Volume 56, Page 101
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Descriptions of some mammalian and fish remains from Florida of probably Pleistocene age
Volume 56, Page 103
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New fossil turtles, with notes on two described species
Volume 56, Page 113
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Revision of the parasitic chalcidoid flies of the genera Homalotylus Mayr and Isodromus Howard, with descriptions of two closely related genera.
Volume 56, Page 133
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The fishes of the United States Eclipse Expedition to West Africa
Volume 56, Page 195
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Descriptions of new species of Mollusca from the North Pacific Ocean in the collection of the United States National Museum
Volume 56, Page 293
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Notes on certain genera of Ichneumon flies with descriptions of a new genus and four new species
Volume 56, Page 373
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A study of the brachiopod genus Platystrophia
Volume 56, Page 383
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Habits and economic relations of the guano birds of Peru
Volume 56, Page 449
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Report on a small collection of Indian parasitic Hymenoptera.
Volume 56, Page 513
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A mounted skeleton of Dimetrodon gigas in the United States National Museum, with notes on the skeletal anatomy
Volume 56, Page 525
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New genera and species of muscoid flies
Volume 56, Page 541
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Recent Foraminifera from off New Zealand
Volume 56, Page 593
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The red spiders of America and a few European species likely to be introduced
Volume 56, Page 641