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The Systematic Status of Painted Turtles (Chrysemys) in the Northeastern United States
F. Harvey Pough and Margaret B. Pough
Vol. 1968, No. 3 (Aug. 31, 1968), pp. 612-618
Stable URL: http://www.jstor.org/stable/1442033
Page Count: 7
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Chrysemys picta from islands and the mainland of the northeastern United States show great intrapopulation variation in characters distinguishing C. p. picta from C. p. marginata. There are no significant differences between island and mainland samples. The extent of variation in Chrysemys populations in the northeastern United States precludes meaningful delimitation of restricted areas of intergradation. These turtles probably represent a hybrid swarm.