Meetings & Meeting Reports THE NATIONAL ACADEMY OF SCIENCES By ARTHUR L. DAY See allHide authors and affiliations Science 17 Apr 1914:Vol. 39, Issue 1007, pp. 566-569DOI: 10.1126/science.39.1007.566 ARTHUR L. DAYFind 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.
