Meetings & Meeting ReportsSocieties and Academies THE IOWA ACADEMY OF SCIENCE See allHide authors and affiliations Science 26 Jun 1908:Vol. 27, Issue 704, pp. 986-988DOI: 10.1126/science.27.704.986 L. S. RossFind 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.