LettersDiscussion CORRECTION OF AN ERRONEOUS STATEMENT See allHide authors and affiliations Science 01 Jun 1934:Vol. 79, Issue 2057, pp. 506DOI: 10.1126/science.79.2057.506 Maynard M. MetcalfFind 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.
Science Vol 79, Issue 205701 June 1934 Table of Contents Print Table of Contents Back Matter (PDF) Front Matter (PDF)