This book is adequately illustrated with the line diagram and coloured plates of fishes and there are also specially compiled table and graph to assist the reader in readily grasping the essential points discussed in the text. In fact, no pains have been spared to make the book as attractive and appealing to the students as possible and author hopes that he has been able to provide a complete guide to student, which will not only be help in their class-work but will also give them better practical study of the subject.