Ortmann Arnold Edward (148 results)

Paperback or Softback. Condition: New. Mexican, Central American, and Cuban Cambari. Book.

Paperback or Softback. Condition: New. South American Naiades: a Contribution to the Knowledge of the Freshwater Mussels of South America; vol. 8 no. 3. Book.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Condition: New.

Hardback or Cased Book. Condition: New. South American Naiades; a Contribution to the Knowledge of the Freshwater Mussels of South America. Book.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Paperback or Softback. Condition: New. Grundz�ge Der Marinen Tiergeographie. Anleitung Zur Untersuchung Der Geographischen Verbreitung Mariner Tiere, Mit Besonderer Ber�cksichtigung Der Dek. Book.

Condition: New.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Condition: As New. Unread book in perfect condition.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Hardback or Cased Book. Condition: New. A Monograph of the Najades of Pennsylvania Volume no. 1; Volume 8. Book.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Condition: New.

Condition: New.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Condition: New.

Condition: As New. Unread book in perfect condition.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Taschenbuch. Condition: Neu. Neuware - This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

Paperback. Condition: New. Print on Demand. This book is a taxonomic catalogue dedicated to Mexican, Central American, and Cuban species of the genus Cambarus, the most widely distributed genus of crayfishes in the world. Its detailed discussions on the geographical distribution and morphological characters of these crustaceans are significant contributions to the field of zoology. The author, a pioneering authority on crayfish, expertly classifies and assesses different species under the subgenera Paracambarus, Procambarus, Cambarus, Camparellus, Bartonias, and Faxonius â" a thorough analysis based on comprehensive literature review and meticulous examination of specimens in prominent natural history collections across the world. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Paperback. Condition: New. Print on Demand. This book delves into the fascinating world of crawfishes, specifically those found in the state of Pennsylvania. It offers a comprehensive study of these creatures, going beyond simple identification to explore their morphology, ecology, and even their economic impact. The author meticulously traces the history of scientific understanding about these freshwater crustaceans, highlighting the work of earlier researchers like Fabricius, Ranesque, and Say. He also emphasizes the importance of detailed field observations and meticulous collecting methods, which he outlines in detail. This book reveals that the diversity of crawfishes in Pennsylvania is not only determined by geographical location but also by environmental factors, such as the presence of rivers, streams, and mountains. The author explores the relationship between the physical environment and the behavior of different species, providing insights into their unique adaptations to their respective habitats. The book also delves into the various ways in which crawfishes have been viewed by humans, from their role as food and bait to their perceived nuisance value. This book offers a valuable contribution to the study of freshwater biodiversity, showcasing the intricate connections between species and their environment, and revealing the complex relationships between human societies and the natural world. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…