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The letter to the journal Nature by Dougherty and Calhoun (1948b) detailing the potential for use of rhabditid nematodes in genetics research. Note that the letter predates the erection of the subgenus Caenorhabditis by Osche (1952) and its elevation to genus level by Dougherty (1955a). Reprinted by permission from Macmillan Publishers Ltd: Nature No. 4079 Page 29, 1948.
