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A Review of the Genera and Species of American Snakes, North of Mexico
Volume 53, Page 10
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The development and comparative structure of the gizzard in the Odonata Zygoptera
Volume 53, Page 126
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Echinoderms Collected off the West Coast of Greenland by the Princeton Abctic Expedition of 1899
Volume 53, Page 169
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Note on the Odontostomidae
Volume 53, Page 211
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Observations Made in 1900 on Glaciers in British Columbia
Volume 53, Page 213
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The Development of the Tympano-Eustachian Passage and Associated Structures in the Common Toad (Bufo lentiginosus)
Volume 53, Page 223
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April 30
Volume 53, Page 272
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The Forficulidae, Blattidae, Mantidae and Phasmidae collected in northeast Africa by Dr. A. Donaldson Smith
Volume 53, Page 273
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A Study of the Genus Centurio
Volume 53, Page 295
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Fishes from Caroline Island
Volume 53, Page 324
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Types of Fishes
Volume 53, Page 327
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The Acrididae, Tettigonidae and Gryllidae collected by Dr. A. Donaldson Smith in Northeast Africa
Volume 53, Page 370
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July 16
Volume 53, Page 383
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Crystalline and Crystalloidal Substances and Their Relation to Plant Structure
Volume 53, Page 450
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Additions to the Japanese Land Snail Fauna, IV
Volume 53, Page 465
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Biographical Notice of Robert Henry Lamborn
Volume 53, Page 486
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August 20
Volume 53, Page 491
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A New Species of Coluber from Western Texas
Volume 53, Page 492
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Peculiarities of the Terrestrial Larva of the Urodelous Batrachian, Plethodon cinereus Green
Volume 53, Page 503
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Cymbuliopsis vitrea, a New Species of Pteropod
Volume 53, Page 509
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September 3
Volume 53, Page 512
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Fasciolaria gigantea, subsp. reevei
Volume 53, Page 552
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Some Arachnida from New Mexico
Volume 53, Page 568
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A Peculiar Condition of Œdogonium
Volume 53, Page 598
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A New Species of Clavilithes from the Eocene of Texas
Volume 53, Page 602
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December 24
Volume 53, Page 607
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A new species of Ophiobolus from Western Texas
Volume 53, Page 612
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Descriptions of New Helicoid Land Shells from Japan
Volume 53, Page 617
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Additions to the Japanese Land Snail Fauna: V
Volume 53, Page 622
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Catalogue of the Clausiliidæ of the Japanese Empire
Volume 53, Page 647
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Zygeupolia Litoralis, a New Heteronemertean
Volume 53, Page 657
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Report of the Recording Secretary
Volume 53, Page 748
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Report of the Corresponding Secretary
Volume 53, Page 751
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Report of the Entomological Section
Volume 53, Page 771
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Report of the Mineralogical and Geological Section
Volume 53, Page 774
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Elections during 1901
Volume 53, Page 778
