CONTENTS:- 1. Introduction by Qaiser H. Baqri. 2. Mammalia by S. Chakraborty and V.C. Agarwal. 3. Aves by Barid Baran Dutta. 4. Reptilia by R.C. Sharma. 5. Amphibia by A.K. Sarkar and S. Ray. 6. Marine and estuarine fishes by R.P. Burman, P. Mukherjee and S. Kar. 7. Freshwater fishes by T.K. Sen and P.K. Banerjee.