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Biological Survey of Texas

Description: From introduction: "Report on the biological survey of Texas conducted over a number of years through collection of information and specimens. Focus on life zones and their subdivisions and on the mammals and reptiles of the state."
Date: October 24, 1905
Creator: Bailey, Vernon
open access

Life Zones and Crop Zones of New Mexico

Description: Discusses geography, climate, agricultural practices, and crops of each life zone in New Mexico. Provides mammal, breeding bird, reptile, amphibian, and plant species list for each zone. Includes a life zone map.
Date: September 5, 1913
Creator: Bailey, Vernon
open access

The Mammals and Life Zones of Oregon

Description: From introduction: "Summary of the life zones and mammals of Oregon with emphasis on providing reliable information on the management of wildlife. Importance for identifying those species which are state and national assets, and those species of less value or destructive habits."
Date: 1936
Creator: Bailey, Vernon
open access

Mammals of New Mexico

Description: Summary of the species of mammals native to New Mexico, including a map of the life zones, descriptions of the physiographic features, and lists of characteristic zone-marking plants, birds, mammals.
Date: December 1931
Creator: Bailey, Vernon
open access

Revision of the Pocket Gophers of the Genus Thomomys

Description: Describes habits, predators, morphology, sexual variation, pelages, and distribution of pocket gophers. Describes genera and group relations. Describes, lists locations and distribution, and provides a key for species and subspecies.
Date: November 15, 1915
Creator: Bailey, Vernon
open access

A Biological Survey of Colorado

Description: From introduction: "Report based chiefly on the field work prosecuted during 1905, 1906, 1907, and 1909. It is primarily a characterization of the several major distribution areas or life zones."
Date: August 17, 1911
Creator: Cary, Merritt
open access

Life Zone Investigations in Wyoming

Description: Characterizes five transcontinental life zones in Wyoming; defines their extent and limits; lists mammal, breeding bird, reptile, amphibian, and plant species; and provides notes on distribution and abundance of trees observed during the survey.
Date: October 3, 1917
Creator: Cary, Merritt
open access

The Death Valley Expedition: A Biological Survey of Parts of California, Nevada, Arizona, and Utah, Part 2

Description: Collection of reports on Death Valley, the bordering region of California, Nevada, Arizona, and Utah. Reports include birds, reptiles and Batrachians, fishes, insects, mollusks, trees and shrubs, cactuses and yuccas, and list of localities in the reports.
Date: May 31, 1893
Creator: Fisher, A. K.; Stejneger, Leonhard; Gilbert, Charles H.; Riley, C. V.; Stearns, R. E. C.; Merriam, C. Hart et al.
open access

Raccoons of North and Middle America

Description: Summary of the raccoons of North and middle America, including history, habits, economic status, pelage and molt, measurements, and subgenera.
Date: 1950
Creator: Goldman, Edward A.
open access

Revision of the Spiny Pocket Mice: (Genera Heteromys and Liomys)

Description: From introduction: "Result of a study of the spiny pocket mice in the collection of the Biological Survey, now numbering nearly 1,000 specimens, supplemented by about 130 in the United States National Museum and from various sources."
Date: September 7, 1911
Creator: Goldman, Edward A.
open access

Revision of the Wood Rats of the Genus Neotoma

Description: From introduction: "Result of a study of the wood rats in the collection of the Biological Survey, numbering over 3,000 specimens, including topotypes of most of the species."
Date: October 19, 1910
Creator: Goldman, Edward A.
open access

The Rice Rats of North America (Genus Oryzomys)

Description: Discusses habits, economic status, morphology, variation, history, and specimens of North American rice rats. Provides a key and descriptions for species and subspecies.
Date: September 23, 1918
Creator: Goldman, Edward A.
open access

A Systematic Account of the Prairie Dogs

Description: Discusses distribution, habits, economic status, predators, nomenclature, specimens, and pelages of prairie dogs. Describes, lists locations, and provides a key for species and subspecies.
Date: June 20, 1916
Creator: Hollister, N.
open access

A Systematic Synopsis of the Muskrats

Description: From introduction: "Systematic account of the genus Fiber through study of over 1,000 specimens, chiefly well-prepared skins, accompanied by skulls, together with many odd skulls and skeletons."
Date: April 29, 1911
Creator: Hollister, N.
open access

Voles of the Genus Phenacomys

Description: Nests, young, food, habits, and enemies of the voles of the genus Phenacomys.
Date: October 12, 1926
Creator: Howell, A. Brazier
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