Synopsis The present title “Biology of Mullusca” has been carefully organized for undergraduate, post graduate and those involved in Agricultural studies. The text has been designed to approach the classification, morphology, anatomy, physiology and development of all required types in a simple lucid and straight forward manner. The text is not encylopaedic in scope, but also of introductory coverage, commensurate, concise, comprehensive yet exhaustic presentation. We sincerely feel that this publication will adequately meet the long felt need of the students for a simple and upto date book and hope that the method of presentation will be liked an found beneficial.