Letter | Published:

Dr. J. G. Bartholomew and the Layer System of Contour Colouring

Naturevolume 105page328 (1920) | Download Citation



To prevent misapprehension, it would have been better if, in the sixteenth line of the obituary notice which appears on p. 238 of NATURE for April 22, the word “introduced,” used by Dr. Bartholomew himself in “Who's Who,” had been employed instead of “devised.” Dr. Bartholomew made no claim to be the originator of the idea of indicating differences of altitude by differences of colour, but he was the first to apply this method to topographical maps.

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