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
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.
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.
System: The UNT Digital Library
Revision of the American Pikas (Genus Ochotona) (open access)

Revision of the American Pikas (Genus Ochotona)

Discusses distribution, habitat, habits, pelage, molt, specimens, history, and nomenclature of pikas. Provides descriptions, locations, and a key for species and subspecies.
Date: August 21, 1924
Creator: Howell, Arthur H.
System: The UNT Digital Library
Natural History of the Tres Marías Islands, Mexico (open access)

Natural History of the Tres Marías Islands, Mexico

Brief description of the Tres Marías Islands, Mexico, including mammals, birds, reptiles, crustacea, and plants found there.
Date: April 29, 1899
Creator: Nelson, E. W.; Stejneger, Leonhard; Rathbun, Mary J. & Rose, J. N.
System: The UNT Digital Library
An Account of the Taxonomy of North American Wolves From Morphological and Genetic Analyses (open access)

An Account of the Taxonomy of North American Wolves From Morphological and Genetic Analyses

Taxonomy, genetics, morphometrics of North American wolves.
Date: October 2012
Creator: Chambers, Steven M.; Fain, Steven R.; Fazio, Bud & Amaral, Michael
System: The UNT Digital Library