A Popular Key To The Birds, Reptiles, Batrachians And Fishes Of The Northern United States (1874) is a comprehensive guidebook written by David Starr Jordan. The book provides a detailed account of the various species of birds, reptiles, amphibians, and fishes found in the northern regions of the United States. The author has organized the book in a systematic manner, making it easy for readers to identify and learn about the different species. The book includes detailed descriptions of each species, along with illustrations and maps to help readers understand their habitats and distribution. Additionally, the book provides information on the behavior, migration patterns, and ecological significance of each species. The book is written in a clear and concise language, making it accessible to a wide range of readers, including students, researchers, and nature enthusiasts. Overall, A Popular Key To The Birds, Reptiles, Batrachians And Fishes Of The Northern United States is a valuable resource for anyone interested in the natural history of the region.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.