News & Comment SCIENTIFIC NOTES AND NEWS Science 01 Jan 1909:Vol. 29, Issue 731, pp. 22-25DOI: 10.1126/science.29.731.22 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 29, Issue 73101 January 1909 Table of Contents Print Table of Contents Front Matter (PDF)