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Biol Bull 70: 50-55. (February 1936)
© 1936 Marine Biological Laboratory
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EXPERIMENTAL STUDIES ON THE NUPTIAL PADS OF MALE TRITURUS VIRIDESCENS

CHARLES MARC POMERAT 1

1 From the Biological Institute, Harvard University, and the Department of Biology, Clark University

The femoral pads of the newt, Triturus viridescens, respond to pituitary extract stimulation by characteristic hypertrophy and pigmentation. Autoplastic transplants of pads were found to persist intact after more than three hundred days while homoioplastic transplants lost the capacity to exhibit normal reactions after sixty days. This is not a function of the total amount of pad tissue present. Regeneration of the femoral pads in denuded areas was never observed. Regenerated limbs showed pigmentation of the first toe within seventy days. Evidence of the reorganization of the femoral pad was noted three hundred days after amputation.






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Copyright © 1936 by the Marine Biological Laboratory.