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Santos Degollado and the Mexican Reforma, 1854-1861

Description: This study examines in detail the public career of Santos Degollado during the era of the Mexican Reforma, and, because of his central role in national events of that period, the story is presented in the context of a general history of the Reforma. Sources of information were largely primary, including manuscripts and newspapers from Mexican archives. The richest of these were the collection of Degollado's letters at the Instituto de Antropologia e Historia; manuscripts from the Secretaria de … more
Date: December 1975
Creator: Hardi, John T.
Partner: UNT Libraries
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Genic Differentiation and Evolution in the Ground Squirrel Subgenus Ictidomys (Spermophilus)

Description: The genetic structure of 26 natural populations of three species (S. tridecemlineatus, S. mexicanus, and S. spilosoma) of the Ictidomys subgenus of ground squirrels was analyzed using chromosomal and electrophoretic techniques. Chromosomal variation was not observed in S. mexicanus, and only slight karyotypic variation was found in the other two species. Chromosomal evidence indicated hybridization between S. tridecemlineatus and S. mexicanus, placing these species within the classical definiti… more
Date: December 1975
Creator: Cothran, E. Gus, 1951-
Partner: UNT Libraries
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