News & CommentScientific Events THE DEPARTMENT OF EXPERIMENTAL BIOLOGY OF THE AMERICAN MUSEUM See allHide authors and affiliations Science 21 May 1943:Vol. 97, Issue 2525, pp. 460-461DOI: 10.1126/science.97.2525.460-a Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 97, Issue 252521 May 1943 Table of Contents Print Table of Contents Back Matter (PDF) Front Matter (PDF)