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Animal Sciences

1962

Doctoral Dissertations

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The Possibility Of The Existence Of Mimicry Between Two Species Of Southern Appalachian Salamanders, Lowell Preston Orr Mar 1962

The Possibility Of The Existence Of Mimicry Between Two Species Of Southern Appalachian Salamanders, Lowell Preston Orr

Doctoral Dissertations

A study was conducted in the Great Smoky Mountains National Park to determine the validity of the mimicry hypothesis which has been proposed to explain the resemblance between red-cheeked color variants of Desmognathus ochrophaeus carolinensis and Plethodon jordani jordani, the red-cheeked salamander. Five basic rules of mimicry were tested in both field and laboratory approaches to the problem.

The color patterns of carolinensis were recorded in 587 individuals observed. Of this number, 25.7 per cent displayed some cheek coloration which included color variations of red to orange, yellow, and white. Red to orange cheek colors were found in 92 ...