Freshwater Isopods (Asellidae) Of North America

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Excerpt from Freshwater Isopods (Asellidae) Of North America: For the Environmental Protection Agency, May 1972 "Freshwater Isopods (Asellidae) of North America" is the seventh of a series of identification manuals for selected taxa of invertebrates occurring in freshwater systems. These documents, prepared by the Oceanography and Limnology Program, Smithsonian Institution for the Environmental Protection Agency will contribute toward improving the quality of the data upon which environmental decisions are based. Additional manuals will include but not necessarily be limited to, freshwater representatives of the following groups: amphipod crustaceans (Gammaridae), branchiuran crustaceans (Argulus), decapod crayfish crustaceans (Astacidae), leeches (Hirudinea), polychaete worms (Polychaeta), freshwater planarians (Turbellaria), aquatic dryopoid beetles (Dryopoidea) and freshwater clams (Sphaeriacea). About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.