Synopsis The present title ‘Fossils’ has been carefully organized and clearly written for the undergraduate students however, it would also supplement of students of postgraduate classes. It has been written in a simple language and in a straight forward manner. Our approach throughout is critical and evaluative, neither old nor new theories are taken trust but are examined rigorously and often critical, the students should be aware of what materials is sound and what untested or controversial. Those principles which survive such analysis have put together in a new and current synthesis of the “State of the art.” It is sincerely felt that this title will adequately meet the long felt need of the students for a simple and up-to-date book and hope that the method of presentation will be liked and found beneficial.