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1

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Genera of birds

by Pennant, Thomas
Published 1773

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2

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Elements of Conchology

by Mendes da Costa, Emanuel
Published 1776

Book

3

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A treatise on the geography and classification of animals

by Swainson, William
Published 1835

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4

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The vegetable kingdom; or, the structure, classification and uses of plants, illustrated upon the natural system

by Lindley, John
Published 1846

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5

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Essay on the Classification of Nemertes and Planariae: preceded by some general considerations on the primary divisions of the animal Kingdom

by Girard, Charles
Published 1850

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6

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Catalogue of Lophobranchiate Fish in the Collection of the British Museum

by Kaup, J. J.
Published 1856

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7

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An Essay on classification

by Agassiz, Louis
Published 1859

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8

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The Fishes of Malabar

by Day, Francis
Published 1865

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9

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Synopsis of the species of Starfish in the British Museum (With figures of some of the new species) By John Edward Gray

by Gray, John Edward
Published 1866

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10

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Hand-List of Genera and Species of Birds, distinguishing those contained in the British Museum By George Robert Gray

by Gray, George Robert
Published 1869

Book

11

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Classified Index of subjects of invention adopted in the U. S. Patent Office, March 1, 1872

Published 1872

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12

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On some new and little known diatoms

by Cleve, Per T.
Published 1881

Book

13

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A Catalogue of the Mantodea, with descriptions of new genera and species, and an enumeration of the specimens, in the collection of the Indian Museum, Calcutta

by Wood-Mason, J.
Published 1889

Book

14

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A revision of the South American Nematognathi or cat-fishes

by Eigenmann, Carl H.
Published 1890

Book

15

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Pycnogonidea M. 15 Plancher og 1 Kt.

by Sars, G. O.
Published 1891

Book

16

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Revision of the Nematinae of North America, a subfamily of leaf-feeding hymenoptera of the family tenthredinidae

by Marlatt, C. L.
Published 1896

Book

17

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The structure and classification of birds

by Beddard, Frank E.
Published 1898

Book

18

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A hand-list of the genera and species of birds : (Nomenclator avium tum fossilium tum viventium.)/

by Sharpe, Richard Bowdler
Published 1899

Book

19

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On the importance of larval characters in the classification of mosquitoes /

by Christophers, Samuel R.
Published 1906

Book

20

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Synopsis of the section Apus of the genus Polyporus

by Lloyd, Curtis G.
Published 1915

Book