"In your number of March 3rd [1860] I observe a long quotation from The Times, stating that Mr. Darwin "professes to have discovered the existence and modus operandi of the natural law of selection," that is, "the power in nature which takes the place of man and performs a selection, sua sponte," in organic life. This discovery recently published as "the results of 20 years' investigation and reflection" by Mr. Darwin turns out to be what I published very fully and brought to apply practically to forestry in my work Naval Timber and Arboriculture, published as far back as January 1, 1831, by Adam & Charles Black, Edinburgh, and Longman & Co., London, and reviewed in numerous periodicals, so as to have full publicity in the "Metropolitan Magazine," the "Quarterly Review," the "Gardeners' Magazine," by Loudon... and repeatedly in the "United Service Magazine" for 1831, &c. The following is an extract from this volume, which clearly proves a prior claim. [excerpt follows]"