Contents: 1. An overview/P.M. Sureshan. 2. Freshwater crabs (decopoda : Brachyura: Gecarcinucidae/S.K. Pati, R.M. Sharma and P.M. Sureshan. 3. Collembola/G.P. Mandal, K.K. Suman and K.K.Bhattacharya. 4. Insecta : Odonata/K.G. Emiliyamma. 5. Insecta : Isoptera/Anima Poovli and K. Rajmohana. 6. Insecta :Mantodea/P.M. Sureshan. 7. Insecta:  Dermaptera/K.G. Emiliyamma. 8. Insecta : Lepidoptera: Rhopalocera/Muhamed Jafaer Palot. 9. Insecta: Hymenoptera : vespidae/P. Girish Kumar and P.M. Sureshan.10. Insecta : Hymenopera: diaprioidea: Diapriidae/Rajmohana K and Shweta M. 11. Insecta : Hymenoptera : platygastroidea: platygastridae/Rajmohana K. and Shweta M. 12. Insecta : Hymenoptera : Ceraphronidae/C. Bijoy, K. Rajmohana and M. Shweta. 13. Insecta : Hymenoptera : chalcidoidea : Pteromalidae/P.M. Sureshan. 14. Arachnida : Araneae (Spiders)/Dhruba Chandra Dhali, Sunil K. Jose and P.M. Sureshan. 15. Arachnida : Scorpiones/P.M. Sureshan and K. Aswathi. 16. Arachnida : Thelyphonida (Whip scorpions)/Dhruba Chandra Dhali and P.M. Sureshan. 17. Chilopoda : Scolopendromorpha/P.M. Sureshan and Dhanya Balan. 18. Mollusca : Gastropoda (Snails)/S.K. Pati, R.M. Sharma and P.M. Sureshan. 19. Pisces/Shaji, C.P. and Muhamed Jafer Palot. 20. Amphibian/K.P. Dinesh and B.H. Channakeshava Murthy. 21. Reptilia/Muhamed Jafer Palot. 22. Aves/Muhamed Jafer Palot. 23. Mammalia/Muhamed Jafer Palot.