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Taxonomic Status and Relationships of Peromyscus boylii from El Salvador

Michael D. Carleton
Journal of Mammalogy
Vol. 60, No. 2 (May, 1979), pp. 280-296
DOI: 10.2307/1379799
Stable URL: http://www.jstor.org/stable/1379799
Page Count: 17
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Taxonomic Status and Relationships of Peromyscus boylii from El Salvador
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Abstract

The status and affinities of Permoyscus boylii cordillerae and P. b. sacarensis, both described from El Salvador, are evaluated using principal components analysis. Representative examples of P. aztecus, P. boylii levipes, P. evides, P. hylocetes, P. oaxacensis, and P. spicilegus are included for comparative purposes. It is concluded that sacarensis is a subspecies of P. boylii, while cordillerae is related to aztecus, evides, hylocetes, and oaxacensis. Because many traits that separate the latter five taxa vary significantly with elevation, it is hypothesized that they represent segments of a once continuous montane species.

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