1.
Crawfishes of Western Pennsylvani
by Ortmann, A. e. 1863-1927, O...
ISBN: 9781174819919
List Price: $15.75
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South American Naiades; a Contribution to the Knowledge of the Freshwater Mussels of South A...
by Ortmann, A. E. (Arnold Edward)
ISBN: 9781171950653
List Price: $27.75
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Geographical Distribution of Freshwater Decapods and Its Bearing upon Ancient Geography
by Ortmann, A. E. (Arnold Edward)
ISBN: 9781171979210
List Price: $21.75
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Die Klassen und Ordnungen des Thier-Reichs, Wissenschaftlich Dargestellt in Wort und Bild
by Hoffmann, C. k. 1841-1903, ...
ISBN: 9781176076273
List Price: $24.75
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Mexican, Central American, and Cuban Cambari
by Ortmann, A e. 1863-1927
ISBN: 9781179255439
List Price: $15.75
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The Mutual Affinties of the Species of the Genus Cambarus and their Diepersal Over the Unite...
by Ortmann, A. E., Proceedings...
ISBN: 9781140605867
List Price: $16.75
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New Species of the Genus Cambarus from the Isle of Pines
by Ortmann, A. e. 1863-1927, O...
ISBN: 9781174896385
List Price: $14.75
8.
Mutual Affinities of the Species of the Genus Cambarus, and Their Dispersal over the United ...
by Ortmann, A. E. (Arnold Edward)
ISBN: 9781172006632
List Price: $17.75
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10.
Procambarus, a New Subgenus of the Genus Cambarus
by Ortmann, A e. 1863-1927
ISBN: 9781245094696
List Price: $14.75
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Monograph of the Naiades of Pennsylvania
by Ortmann, A e. 1863-1927
ISBN: 9781179376561
List Price: $18.75
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Crawfishes of Western Pennsylvania
by A. E. 1863-1927 Ortmann
ISBN: 9781289702106
List Price: $15.75
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14.
South American Naiades: A Contribution to the Knowledge of the Freshwater Mussels of South A...
by Museum, Carnegie, Ortmann, ...
ISBN: 9781355575276
List Price: $25.95
15.
South American Naiades; a Contribution to the Knowledge of the Freshwater Mussels of South A...
by Ortmann, A. E. (Arnold Edward)
ISBN: 9781293627822
List Price: $27.75
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Monograph of the Naiades of Pennsylvania . . ; Volume V 11
by Ortmann, A. E. (Arnold Edwa...
ISBN: 9781372146077
List Price: $10.95
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Monograph of the Naiades of Pennsylvania . . ; Volume V 11
by Ortmann, A. E. (Arnold Edwa...
ISBN: 9781372146114
List Price: $21.95
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Monograph of the Naiades of Pennsylvania . . ; Volume V 12
by Ortmann, A. E. (Arnold Edwa...
ISBN: 9781372166853
List Price: $18.95
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Monograph of the Naiades of Pennsylvania . . ; Volume V 12
by Ortmann, A. E. (Arnold Edwa...
ISBN: 9781372166860
List Price: $28.95
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Crustacea of Southern Patagonia
by Ortmann, A. E. (Arnold Edwa...
ISBN: 9781361663691
List Price: $10.95
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Monograph of the Naiades of Pennsylvania, Vol. 3 : Systematic Account of the Genera and Spec...
by Ortmann, Arnold E.
ISBN: 9781333551391
List Price: $16.57
24.
A Monograph of the Najades of Pennsylvania (Classic Reprint)
by Ortmann, Arnold E., Arnold ...
ISBN: 9781334611551
List Price: $9.57
25.
The Crawfishes of Western Pennsylvania (Classic Reprint)
by Ortmann, A. E., A E Ortmann
ISBN: 9781334741517
List Price: $7.97