Contents: 1. An Overview / J. Thilak 2. Phylum : Cnidaria / Arunendra Mohapatra and Vanishree Jagadeesan 3. Phylum : Echinodermata / Arunendra Mohapatra and Vanishree Jagadeesan 4. Rotifera / J. Thilak 5. Cladocera (Crustacea : Branchiopoda) / J. Thilak 6. Crustacea : Ostracoda / J. Thilak 7. Crustacea Decapoda, Stomatopoda, Isopoda and Thoracia / Arunendra Mohapatra and Vanishree Jagadeesan 8. Insecta : Odonata / R. Babu and K. A. Subramanian 9. Insecta : Orthoptera / D. Prabakar and R. Sakthivel 10. Aves / R. Sakthivel 11. Mammalia / R. Sakthivel.