chapter 1 Osmoregulation: Some Principles of Water and Solute Transport -- chapter 2 Volume Regulation and Osmosensing in Animal Cells -- chapter 3 The Contractile Vacuole Complex and Cell Volume Control in Protozoa -- chapter 4 Osmotic and Ionic Regulation in Molluscs -- chapter 5 Osmoregulation in Annelids -- chapter 6 Osmotic and Ionic Regulation in Aquatic Arthropods -- chapter 7 Osmotic and Ionic Regulation in Insects -- chapter 8 Osmotic and Ionic Regulation in Fishes -- chapter 9 Osmotic and Ion Regulation in Amphibians -- chapter 10 Osmotic and Ionic Regulation in Reptiles -- chapter 11 Osmotic and Ionic Regulation in Birds -- chapter 12 Osmotic and Ionic Regulation in Mammals.