Results of a Biological Survey of the San Francisco Mountain Region and Desert of the Little Colorado, Arizona (open access)

Results of a Biological Survey of the San Francisco Mountain Region and Desert of the Little Colorado, Arizona

Brief summary of a biological survey of the Painted Desert, specifically the San Francisco Mountain region, and the Grand Canyon (Cañon).
Date: September 11, 1890
Creator: Merriam, C. Hart & Stejneger, Leonhard
Object Type: Report
System: The UNT Digital Library
Results of a Biological Reconnoissance of South-Central Idaho (open access)

Results of a Biological Reconnoissance of South-Central Idaho

Brief summary of south-central Idaho, including descriptions of subregions, mammals, birds, and reptiles.
Date: July 30, 1891
Creator: Merriam, C. Hart & Stejneger, Leonhard
Object Type: Report
System: The UNT Digital Library
The Death Valley Expedition: A Biological Survey of Parts of California, Nevada, Arizona, and Utah, Part 2 (open access)

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

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.
Object Type: Report
System: The UNT Digital Library
Revision of the North American Bats of the Family Vespertilionidæ (open access)

Revision of the North American Bats of the Family Vespertilionidæ

Classification of more than 3,000 bats to enable correct specimen identification based upon material contained in the collection of the Biological Survey of the U.S. Department of Agriculture.
Date: October 16, 1897
Creator: Miller, Gerrit S. (Gerrit Smith), 1869-1956
Object Type: Report
System: The UNT Digital Library
Results of a Biological Survey of Mount Shasta California (open access)

Results of a Biological Survey of Mount Shasta California

From introduction: "Biological survey of northern California from the Madeline Plains to the Pacific Ocean and from the Oregon boundary to Lassen Butte and parts of the Sierra, with Mount Shasta occupying a nearly central position."
Date: October 28, 1899
Creator: Merriam, C. Hart
Object Type: Report
System: The UNT Digital Library
Results of a Biological Reconnaissance of the Yukon River Region (open access)

Results of a Biological Reconnaissance of the Yukon River Region

Brief summary of the Yukon River region, including itinerary of expedition, faunal districts, new species identified, and mammals and birds present.
Date: October 6, 1900
Creator: Osgood, Wilfred H. & Bishop, Louis B.
Object Type: Report
System: The UNT Digital Library
Natural History of the Queen Charlotte Islands, British Columbia. Natural History of the Cook Inlet Region, Alaska (open access)

Natural History of the Queen Charlotte Islands, British Columbia. Natural History of the Cook Inlet Region, Alaska

Results of 1900 expedition on Queen Charlotte Islands describing natural history.
Date: September 26, 1901
Creator: Osgood, Wilfred H.
Object Type: Report
System: The UNT Digital Library
A Biological Reconnaissance of the Base of the Alaska Peninsula (open access)

A Biological Reconnaissance of the Base of the Alaska Peninsula

General account with outline of route and life zones, and lists of mammals and birds.
Date: November 23, 1904
Creator: Osgood, Wilfred H.
Object Type: Report
System: The UNT Digital Library
Biological Survey of Texas (open access)

Biological Survey of Texas

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
Object Type: Report
System: The UNT Digital Library
Revision of the Skunks of the Genus Spilogale (open access)

Revision of the Skunks of the Genus Spilogale

From introduction: "Revision of skunk genus Spilogale based upon a study of about 380 skins with skulls and 75 additional skulls from the collection of the Biological Survey."
Date: November 24, 1906
Creator: Howell, Arthur H.
Object Type: Report
System: The UNT Digital Library
Revision of the Mice of the American Genus Peromyscus (open access)

Revision of the Mice of the American Genus Peromyscus

From letter of transmittal: "The work consists of a systematic study of all the members of the genus, and includes keys for the identification of the various forms, together with the necessary illustrations, and maps showing the geographic distribution of the species."
Date: April 17, 1909
Creator: Osgood, Wilfred H.
Object Type: Report
System: The UNT Digital Library
The Rabbits of North America (open access)

The Rabbits of North America

From introduction: "Revision to include all known hares and rabbits of North America from Isthmus of Panama to north Greenland."
Date: August 31, 1909
Creator: Nelson, E. W.
Object Type: Report
System: The UNT Digital Library
Biological Investigations in Alaska and Yukon Territory (open access)

Biological Investigations in Alaska and Yukon Territory

From letter of transmittal: "Report on biological investigations made in the interior of Alaska and the Yukon territory in 1903 and 1904. It consists of separate reports on three distinct areas, describing the physiography and giving detailed accounts of the animal life of the region."
Date: October 7, 1909
Creator: Osgood, Wilfred H.
Object Type: Report
System: The UNT Digital Library
Revision of the Wood Rats of the Genus Neotoma (open access)

Revision of the Wood Rats of the Genus Neotoma

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.
Object Type: Report
System: The UNT Digital Library
A Systematic Synopsis of the Muskrats (open access)

A Systematic Synopsis of the Muskrats

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.
Object Type: Report
System: The UNT Digital Library
A Biological Survey of Colorado (open access)

A Biological Survey of Colorado

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
Object Type: Report
System: The UNT Digital Library
Revision of the Spiny Pocket Mice: (Genera Heteromys and Liomys) (open access)

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

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.
Object Type: Report
System: The UNT Digital Library
Life Zones and Crop Zones of New Mexico (open access)

Life Zones and Crop Zones of New Mexico

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
Object Type: Report
System: The UNT Digital Library
Revision of the American Harvest Mice: (Genus Reithrodontomys) (open access)

Revision of the American Harvest Mice: (Genus Reithrodontomys)

Discusses history, specimens, habits, economic status, food, and pelages of American harvest mice. Lists locations and provides a key to species and subspecies, and provides species descriptions.
Date: June 5, 1914
Creator: Howell, Arthur H.
Object Type: Report
System: The UNT Digital Library
Revision of the American Marmots (open access)

Revision of the American Marmots

Discusses history, nomenclature, common names, habits, external characters, and specimens of American marmots. Describes, lists locations, and provides a key to species and subspecies.
Date: April 7, 1915
Creator: Howell, Arthur H.
Object Type: Report
System: The UNT Digital Library
A Review of the American Moles (open access)

A Review of the American Moles

Discusses habits; economic status; characteristics and development of young; pelages and molts; and geographic, individual, sexual, and age variation. Describes subfamilies, history, and generic names of the family Talpidae. Describes, lists locations, and provides a key for genera, species and subspecies.
Date: September 30, 1915
Creator: Jackson, Hartley H. T.
Object Type: Report
System: The UNT Digital Library
Revision of the Pocket Gophers of the Genus Thomomys (open access)

Revision of the Pocket Gophers of the Genus Thomomys

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
Object Type: Report
System: The UNT Digital Library
A Systematic Account of the Prairie Dogs (open access)

A Systematic Account of the Prairie Dogs

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.
Object Type: Report
System: The UNT Digital Library
Life Zone Investigations in Wyoming (open access)

Life Zone Investigations in Wyoming

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
Object Type: Report
System: The UNT Digital Library