The book on “Fundamentals of Limnology” deals with air-breathing fishes which have evolved on several occasions. Evolution of the first bony fishes during the late Silurian and Devonian period produced two new features, lobe fins and the lung fishes. Animals inhabiting the water/air interface show many morphological and physiological adaptations designed with different types of function in that unique environments. In the present age there are new ...
A Hand Book of Methodology for Microscopists, Illustrated With Photomicrographs
Contents: Preface. 1. Narcotization of animals and fixing and hardening. 2. Fixation by Altman's freezing drying method. 3. Cytology and cytochemistry of the granular cells found in the gills of certain fresh water teleosts. 4. Vital staining. 5. A guide for students of microtomy. 6. Chloride cells in the gills of fresh-water teleosts. 7. Scanning electron microscopy special methods for blood vessels. 8. Electron microscopy. 9. Gill diffusion capacity of a ...
The Life of Air-Breathing Fishes: Palaeo-Ecology, Evolution, Diversity, Cardio-Respiratory Innovations and Life Pattern ( In 2 Volumes)
