For B.Sc., B.Sc. (Hons.) and M.Sc. students of All Indian Universities. Includes Development Biology of Non Chordates and Chordates. Almost all the old chapters have been either rewritten and refasioned. More than one hundred new illustrations and many new tables have been added. In this edition every effort has been made to incorporate all the current information of embryology yet retaining classical views od provide a complete picture of the subject to the students and teachers.