The current practical syllabus of Zoology has been framed Periyar University as well as State level. As there are no such books which cover diagrams only but we have insert the original specimen picture were included. we thought to prepare such a book for students and teachers as well as for those people who have scientific aptitude and interest for the subject. The book is richly illustrated with figures and original photographs. First aid, precautionary methods and safety rules and regulations and also included specific guidelines, how to handling the equipment in the laboratory and also add up the Glossary and Reference.