Principles Of Zoology : Touching The Structure, Development, Distribution, And Natural Arrangement Of The Races Of Animals, Living And Extinct : (Part I), Comparative Physiology, For The Use Of Schools And Colleges has been considered by academicians and scholars of great significance and value to literature. This forms a part of the knowledge base for future generations. So that the book is never forgotten we have represented this book in a print format as the same form as it was originally first published. Hence any marks or annotations seen are left intentionally to preserve its true nature.