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Conspecificity of two pocket mice, Perognathus goldmani and P. artus

Perognathus goldmani_ Osgood and _Perognathus artus_ Osgood from southern Sonora, northern Sinaloa and adjoining parts of Chihuahua and Durango, are two named kinds of the _Perognathus intermedius_ group of pocket mice, of the subgenus _Chaetodipus_. Until now the two kinds have been treated in the literature as two species. In both _goldmani_ and _artus_ the […]

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Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park

Centuries ago in southwestern Colorado the prehistoric Pueblo inhabitants of the Mesa Verde region expressed their interest in mammals by painting silhouettes of them on pottery and on the walls of kivas. Pottery occasionally was made in the stylized form of animals such as the mountain sheep. The silhouettes of sheep and deer persist as […]

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Mammals taken Along the Alaska Highway

Mammals from along the Alaska Highway were obtained for the University of Kansas Museum of Natural History in the summers of 1947 and 1948 by Mr. J. R. Alcorn, field representative of the Museum. He and his family visited Alberta, British Columbia, the Yukon Territory and Alaska in an automobile and trailer from June 9, […]

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Mammals from Tamaulipas

Forming the northeastern border of Mexico, Tamaulipas extends in an elongated, north-south direction from the Temperate into the Torrid Zone and contains faunal elements from both the Nearctic and Neotropical regions. The mammals are less known than those from some of the bordering states; for the most part collecting has been limited to a few […]

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Mammals from Southeastern Alaska

The University of Kansas Museum of Natural History received from J. R. Alcorn and Albert A. Alcorn a sizable collection of mammals taken in the summer of 1951 in Alaska. In addition to visiting localities at which they had collected in 1947 and 1948 (see Baker, Univ. Kansas Publ., Mus. Nat. Hist., 5:87-117, 1951) the […]

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Mammals of the San Gabriel Mountains of California

This paper presents the results of a study of the mammals of the San Gabriel Mountains of southern California, and supplements the more extensive reports on the biota of the San Bernardino Mountains by Grinnell (1908), on the fauna of the San Jacinto Range by Grinnell and Swarth (1913), and on the biota of the […]

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Mammals of Mesa Verde National Park

A person standing on the North Rim of the Mesa Verde in southwestern Colorado sees a vast green plain sloping away to the south. The plain drops 2000 feet in ten miles. On a clear evening, before the sun reaches the horizon, the rays of the sun are reflected from great sandstone cliffs forming the […]

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Mammals of the Grand Mesa

The Grand Mesa of Colorado is a westward extension of the mountains of central Colorado, standing more than five thousand feet above the valleys of the Colorado and the Gunnison rivers. To certain montane mammals the mesa is a peninsula of cool, moist, forest surrounded by inhospitable, hot, dry, barren lowland. Few mammals previously have […]

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Natural History in Anecdote

Illustrations are like windows to the house of knowledge. They let light in upon the understanding, and they facilitate the outlook upon truth and beauty. To illustrate is to help one sense by the use of another, to reason by analogy, and to teach the unknown by the known. When definition fails, illustration often carries […]

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Illustrative Anecdotes of the Animal Kingdom

The purpose of the present volume is to exhibit a series of well-authenticated anecdotes, calculated to illustrate the character and habits of the more prominent species of the animal kingdom. The plan of the work, of course, excludes full scientific descriptions; but it has been thought that it may be more useful, as well as […]

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