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."

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.

A report regarding a characterization that describes the approximately 4000-mile area of the Maine coast norths and east of Cape Elizabeth. It attempts to clarify the current state of knowledge of this ecosystem by synthesizing and integrating existing biological, physical, and socioeconomic information. It provides information on the natural resources of coastal Maine in an ecological framework designed to guide resource management and coastal planning and to aid in the evaluation of human impacts on the ecosystem.

A study conducted as part of the Federal Interagency Energy/Environment Research and Development Program of the Office of Research and Development, U.S Environmental Agency; the U.S. Army Corps of Engineers Tidal Power Study; and the U.S. Fish and Wildlife Service National Coastal Ecosystems Project.

A study conducted as part of the Federal Interagency Enery/Environment Research and Development Program of the Office of Research and Development, U.S. Environmental Protection Agency; the U.S. Army Corps of Engineers Tidal Power Study; and the U.S. Fish and Wildlife Service National Coastal Ecosystems Project.

The appendices of a report regarding an ecological characterization of coastal Maine, North and East of Cape Elizabeth

The Data Source Appendix of a report regarding an ecological characterization of coastal Maine, North, and East of Cape Elizabeth

The Atlas of a report regarding an ecological characterization of coastal Maine, North and East of Cape Elizabeth.

From abstract: Important Chinook salmon spawning areas are listed and charted in this report according to their past use and present use.

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."

Booklet describing the biology of Alabama in two sections: (1) physiography and life zones, and (2) mammals. It also includes an annotated species list of mammals, bibliography, and index starting on page 81.

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."

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.

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."

Brief summary of the Yukon River region, including itinerary of expedition, faunal districts, new species identified, and mammals and birds present.