Waterdale Researches or, Fresh Light on Dynamic Action. By "WATERDALE." London, Chapman & Hall, 1892. 12mo.pp. vi., 293. Cosmical Evolution: A New Theory of the Mechanism of Nature. By E. McLENNAN. Chicago, Donabue, Hennenberrry, & Co., 1890. 12mo. 399 p. $2

1893 Science  
12mo. 399 p. $2. IN these volumes wve have interesting illuistrations of those methods of thought, and their results, whichi are characteristic of the attempts of amateurs in science to bring contributions of new thought and novel theories to the attention of scientific men. In the first-naimied, the anonymous author, writing under the nomn de plutme "' Waterdale," presents his " discovery of a cause for gravity other than the hypothesis of attraction," and "sothet theorems as important." That an amateur should, especially in ph.ysi-
doi:10.1126/science.ns-21.519.26 fatcat:lcnmtgqfsvai7pa43ynw6jyzxe