Need-to-know information on the classification and identification of aquatic invertebrates

This Fourth Edition of the standard reference used by generations of professionals and students is the source for authoritative information on the natural history, ecology, and taxonomy of free-living American freshwater invertebrates. Completely revised and updated, this professional field guide features a wealth of new knowledge on invertebrate animal phyla covered in the previous edition as well as fully modified sections on the preparation of materials.

Other important...