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A New Marsh Rabbit (Sylvilagus palustris) from Florida's Lower Keys

James D. Lazell, Jr.
Journal of Mammalogy
Vol. 65, No. 1 (Feb., 1984), pp. 26-33
DOI: 10.2307/1381196
Stable URL: http://www.jstor.org/stable/1381196
Page Count: 8
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A New Marsh Rabbit (Sylvilagus palustris) from Florida's Lower Keys
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Abstract

A new subspecies of Sylvilagus palustris differs from mainland and Upper Keys S. p. paludicola in having a short molariform tooth row, high and convex frontonasal profile, broad cranium, and elongate dentary symphysis. It differs additionally from S. p. palustris in having gray ventral pelage similar to the underside of the tail. The new form is apparently confined to the oolitic Lower Keys where it occurs in small, scattered colonies. The mainland subspecies of S. palustris differ from each other only in ventral pelage color and average length of the molariform row. S. p. paludicola as redefined occurs northward through peninsular Florida to southeastern Georgia. Oryctolagus is a junior synonym of Sylvilagus. Keys biogeography is considered relevant to mammalian endemicity.

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