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IX. Descriptions of some Species of Carex from North America

• Authors : Edward Rudge

Subjects: Carex; Geography; biology

• Source: Transactions of the Linnean Society of London. 7:96-100

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XXXI. Facts relative to the torpid state of the North-American Alligator

• Authors : Benjamin Smith Barton

Subjects: Geography; State (polity); biology

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II. Account of a North American quadruped supposed to belong to the genus Ovis

• Authors : George Ord

Subjects: Geography; biology; Zoology

• Source: The Philosophical Magazine. 52:8-11

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XVII. Memoir on Bundelkhund

• Authors : James Franklin

Subjects: education.field_of_study; Geography; Raja

• Source: Transactions of the Royal Asiatic Society of Great Britain and Ireland. 1:259-281

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Observations on some species of the genera Tetrao and Ortyx, natives of North America with descriptions of four new species of the former, and two of the latter genus

• Authors : David Douglas

Subjects: Ecology; Genus; Zoology

• Source: Observations on some species of the genera Tetrao and Ortyx, natives of North America with descriptions of four new species of the former, and two of the latter genus /

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XII. Observations on some Species of the Genera Tetrao and Ortyx, natives of North America; with Descriptions of Four new Species of the former, and Two of the latter Genus

• Authors : David Douglas

Subjects: biology; Genus; Ecology

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Synopsis of the organic remains of the Cretaceous group of the United States. Illustrated by nineteen plates. To which is added an appendix, containing a tabular view of the Tertiary fossils hitherto discovered in North America

• Authors : Samuel George Morton

Subjects: Pachydiscus; biology; Group (stratigraphy)

• Source: Synopsis of the organic remains of the Cretaceous group of the United States. Illustrated by nineteen plates. To which is added an appendix, containing a tabular view of the Tertiary fossils hitherto

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XX. Discovery of the metamorphosis in the second type of the cirripedes, viz. the lepades, completing the natural history of these singular animals, and confirming their affinity with the crustacea

• Authors : J. V. Thompson

Subjects: Natural history; Type (biology); media_common.quotation_subject

• Source: Philosophical Transactions of the Royal Society of London. 125:355-358

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Monograph of North american Cyperaceae ; by John Torrey, to which is appended a Monograph of the North american species of Rhynchospora, etc. ; by Asa Gray

• Authors : John. Torrey

Subjects: History; biology; Rhynchospora

• Source: Monograph of North american Cyperaceae ; by John Torrey, to which is appended a Monograph of the North american species of Rhynchospora,

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Monography of the family Unionidæ : or, Naiades of Lamarck (fresh water bivalve shells) of North America

• Authors : T. A. Conrad

Subjects: Fishery; Fresh water; biology

• Source: Monography of the family Unionidæ : or, Naiades of Lamarck (fresh water bivalve shells) of North America ... / By T.A. Conrad.

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