Book ReviewsScientific Books Nature and Scientce on the Pacific Coast See allHide authors and affiliations Science 02 Jul 1915:Vol. 42, Issue 1070, pp. 27-31DOI: 10.1126/science.42.1070.27 John M. ClarkeFind 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 below.