A comprehensive report on the bird collections made during 1871-1874 in several US states and territories, including Utah, Nevada, Arizona, California, Colorado, and New Mexico. This volume contains detailed descriptions of the collected birds, with information on their behavior, physiology, habitat, and distribution, as well as the methods used to collect and preserve them. The report includes numerous illustrations and maps, making it a valuable resource for ornithologists, naturalists, and bird enthusiasts.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

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