News & Comment SCIENTIFIC NOTES AND NEWS Science 10 Aug 1934:Vol. 80, Issue 2067, pp. 136-139DOI: 10.1126/science.80.2067.136 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 80, Issue 206710 August 1934 Table of Contents Print Table of Contents Back Matter (PDF) Front Matter (PDF)