Abstract
Noble and Schmidt1 have shown that the facial pit of the pit vipers (Crotalinæ) is a sensory organ enabling the snakes to detect warm-blooded animals in absolute darkness. Their work indicates that this organ senses the radiation from the warm-blooded animals.
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References
Noble, G. K., and Schmidt, A., Proc. Amer. Phil. Soc., 77, 263 (1937).
Lynn, W. Gardner, Amer. J. Anat., 49, No. 1 (1931).
Golay, Marcel, J. E., Rev. Sci. Instr., 18, 357 (1947).
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BLOCK, M. Function and Operation of the Facial Pit of the Pit Vipers. Nature 165, 284–285 (1950). https://doi.org/10.1038/165284b0
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DOI: https://doi.org/10.1038/165284b0
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