Books by Arnold Edward Ortmann
Crawfishes of Western Pennsylv
Crawfishes of Western Pennsylvania
Flora Hennebergica, Enthaltend
Flora Hennebergica, Enthaltend Die Im Preussischen Kreise Schleusingen und Den Benachbarten Gebieten Wildwachsenden Gefässpflanzen
Grundzüge der Marinen Tiergeog
Grundzüge der Marinen Tiergeographie. Anleitung Zur Untersuchung der Geographischen Verbreitung Mariner Tiere, Mit Besonderer Berücksichtigung der Dekapodenkrebse
A Monograph of the Najades of Pennsylvania Volume no. 6; Volume 4
Monograph of the Naiades of Pennsylvania .. Volume v 12
Mutual Affinities of the Speci
Mutual Affinities of the Species of the Genus Cambarus, and Their Dispersal over the United States
South American Naiades; a Contribution to the Knowledge of the Freshwater Mussels of South America
Monograph of the Najades of Pe
Monograph of the Najades of Pennsylvania Volume No. 1; Volume 8
South American Naiades
A new species of the genus Cambarus from the Isle of Pines
Crustacea of southern Patagonia
Monograph of the naiades of Pennsylvania ..
Double origin of marine polar
Double origin of marine polar faunas
Une écrevisse nouvelle du Mexique, Cambarus (Cambarus) bouvieri nov. sp
Papers on Unionidae
A new species of Cambarus from Louisiana
Mexican, Central American, and Cuban cambari
The crawfishes of the state of Pennsylvania
Procambarus, a new subgenus of the genus Cambarus
The crawfishes of western Pennsylvania
The mutual affinities of the species of the genus cambarus, and their dispersal over the United States
The geographical distribution of freshwater decapods and its bearing upon ancient geography
Grundzüge der marinen Tiergeographie
Ueber "Bipolarität" in der Ver
Ueber "Bipolarität" in der Verbreitung mariner Thiere
Decapoden und Schizopoden
Die Korallriffe von Dar-es-Sal
Die Korallriffe von Dar-es-Salaam und Umgegend
Die Decapoden-Krebse des Strassburger Museums
Die Klassen und Ordnungen der Arthropoden