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A Review of the Genera and Species of American Snakes, North of Mexico
By: Brown, Arthur Erwin
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 10--110
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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The development and comparative structure of the gizzard in the Odonata Zygoptera
By: Higgins, H T
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 126--141
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Echinoderms Collected off the West Coast of Greenland by the Princeton Abctic Expedition of 1899
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 169--181
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Note on the Odontostomidae
By: Fowler, H W
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 211--212
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Observations Made in 1900 on Glaciers in British Columbia
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 213--215
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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The Development of the Tympano-Eustachian Passage and Associated Structures in the Common Toad (Bufo lentiginosus)
By: Fox, Henry
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 223--260
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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April 30
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 272--272
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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The Forficulidae, Blattidae, Mantidae and Phasmidae collected in northeast Africa by Dr. A. Donaldson Smith
By: Rehn, J A G
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 273--288
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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A Study of the Genus Centurio
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 295--302
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Fishes from Caroline Island
By: Fowler, Henry W
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 324--326
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Types of Fishes
By: Fowler, Henry W
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 327--341
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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The Acrididae, Tettigonidae and Gryllidae collected by Dr. A. Donaldson Smith in Northeast Africa
By: Rehn, J A G
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 370--382
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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July 16
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 383--383
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Crystalline and Crystalloidal Substances and Their Relation to Plant Structure
By: Kraemer , Henry
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 450--456
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Additions to the Japanese Land Snail Fauna, IV
By: Pilsbry, Henry A
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 465--485
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Biographical Notice of Robert Henry Lamborn
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 486--490
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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August 20
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 491--491
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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A New Species of Coluber from Western Texas
By: Brown, Arthur Erwin
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 492--495
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Peculiarities of the Terrestrial Larva of the Urodelous Batrachian, Plethodon cinereus Green
By: Montgomery
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 503--508
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Cymbuliopsis vitrea, a New Species of Pteropod
By: Heath, Harold,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 509--511
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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September 3
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 512--512
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Fasciolaria gigantea, subsp. reevei
By: Pilsbry, H A
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 552--552
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Some Arachnida from New Mexico
By: Banks, Nathan,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 568--597
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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A Peculiar Condition of Œdogonium
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 598--601
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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A New Species of Clavilithes from the Eocene of Texas
By: Johnson, C W - Grabau , A W
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 602--603
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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December 24
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 607--608
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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A new species of Ophiobolus from Western Texas
By: Brown, A E
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 612--613
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Descriptions of New Helicoid Land Shells from Japan
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 617--617
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Additions to the Japanese Land Snail Fauna: V
By: Pilsbry, Henry A
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 622--646
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Catalogue of the Clausiliidæ of the Japanese Empire
By: Pilsbry, Henry A
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 647--656
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Zygeupolia Litoralis, a New Heteronemertean
By: Thompson, Caroline Burling
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 657--739
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Report of the Recording Secretary
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 748--751
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Report of the Corresponding Secretary
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 751--752
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Report of the Entomological Section
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 771--772
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Report of the Mineralogical and Geological Section
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 774--774
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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Elections during 1901
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia.
Volume: 53
Date: 1901
Page Range: 778--778
Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
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