News & Comment SCIENTIFIC NOTES AND NEWS Science 06 Jan 1922:Vol. 55, Issue 1410, pp. 15-18DOI: 10.1126/science.55.1410.15-a Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 55, Issue 141006 January 1922 Table of Contents Print Table of Contents Front Matter (PDF)