The Cambridge natural history, Vol. 09 (of 10)

"The Cambridge Natural History, Vol. 09 (of 10)" by A. H. Evans is a scientific publication written in the late 19th century. This volume specifically focuses on the topic of birds, offering detailed descriptions of various species and their classifications. It aims to provide a comprehensive resource for both novices and those traveling or residing in foreign lands who seek knowledge about the avian species they may encounter. The opening of the book features a preface that outlines its purpose and the approach taken by the author. It discusses the necessity for a detailed yet accessible description of birds, combining scientific rigor with practical information. The author highlights the importance of avoiding overly complex taxonomic variations while providing brief summaries of each family and typical species within the extensive Passerine order. Following this, the introductory chapter sets the stage by defining what constitutes a bird and emphasizes a variety of structural aspects, from feathers and colors to skeletal anatomy, providing the foundational knowledge necessary for understanding the subsequent, more detailed classifications.