Abstract
I THINK it may be interesting to some of the readers of NATURE to know that a specimen of the “Ivory crayfish,” or Astacus (Cambarus) pellucidus, mentioned in the very interesting communication of Dr. Packard on the Mammoth Cave of Kentucky in NATURE, April 18, has been living in the aquarium-house in the Regent's Park for a considerable time. The specimen was brought over at the close of the last year by Mr. Boyd from the Mammoth Cave; it is now placed in the first fresh-water tank on the right hand of the visitor as he enters the aquarium. Its dark-loving habits do not permit it to be seen much, as it generally burrows partially under a large stone, from beneath which only the tips of its white claws can be seen.
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FORBES, W. The Ivory Crayfish. Nature 6, 45 (1872). https://doi.org/10.1038/006045d0
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DOI: https://doi.org/10.1038/006045d0
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