I Physiological and Ultrastructural Aspects of "Salt-Transporting Tissues" Studies.- Homeostatic Function of Integuments and Nephridia in Annelids.- Control of the Extracellular Fluid Osmolality in Crustaceans.- Osmotic and Ionic Regulation in Saline Water Mosquito Larvae.- Chloride Secretion by the Chloride Cells of the Isolated Opercular Epithelium of Marine Fish.- Control of the Blood Osmolarity in Fishes, With Reference to the Functional Anatomy of the Gut.- Transport Properties of Fish Urinary Bladders in Relation to Osmoregulation.- The Contrasting Roles of the Salt Glands, The Integument and Behavior in Osmoregulation of Marine Reptiles.- Regulation of NaCl and Water Absorption in Duck Intestine.- II Biophysical and Biochemical Aspects of "Salt-Transporting Tissues" Studies.- Cellular Energy Metabolism and its Regulation in Gills of Fish and Crustacea.- Regulatory Functions of Na++K+-Atpase in Marine and Estuarine Animals.- Ultrastructural Localization of Na++K+-Atpase in Specialized Membranes of Salt Transporting Cells in Marine Vertebrates.- Models of Salt and Water Flow Across Epithelia: An Evaluation by Electron Probe X-Ray Microanalysis.- Taxonomic Index.