Curious Markings on Chalk

  title={Curious Markings on Chalk},
  author={James F. Moir},
DR. ANDREWS (NATURE, March 13, p. 25) probably knows more about the natural forms assumed by chalk than I do, but I think, nevertheless, that the specimen described by me in the February issue of Man (p. 17, pl. B) cannot be disposed of quite so summarily as he supposes. And I would suggest that it is generally considered unwise, in such matters, to publish a definite opinion before an examination of the actual specimen has been made. 

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