Principles of Zoology, Part 1: Comparative Physiology is a comprehensive book that explores the structure, development, distribution, and natural arrangement of the races of animals, both living and extinct. Written by Louis Agassiz Gould and Augustus Addison, this book was originally published in 1860 and is a valuable resource for anyone interested in the study of zoology.The book covers a wide range of topics, including the classification of animals, the principles of comparative anatomy, the physiology of animals, and the distribution of animals in different habitats. It also includes detailed descriptions of various animal species, their physical characteristics, and their behaviors.The authors provide a thorough overview of the different systems of the animal body, including the skeletal, muscular, circulatory, respiratory, digestive, and nervous systems. They also discuss the development of these systems from embryonic stages to adulthood.In addition, the book explores the natural arrangement of animals, including their relationships to one another and their place in the ecosystem. The authors examine the different types of animals, from invertebrates to vertebrates, and provide detailed information on their physical characteristics, behaviors, and habitats.Overall, Principles of Zoology, Part 1: Comparative Physiology is a valuable resource for anyone interested in the study of zoology. It provides a comprehensive overview of the structure, development, distribution, and natural arrangement of the races of animals, both living and extinct.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.