Book Reviews PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES By Edwin Bidwell Wilson See allHide authors and affiliations Science 10 Nov 1916:Vol. 44, Issue 1141, pp. 685-686DOI: 10.1126/science.44.1141.685 Edwin Bidwell Wilson Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.