News & Comment Animal Day See allHide authors and affiliations Science 29 Apr 1988:Vol. 240, Issue 4852, pp. 596DOI: 10.1126/science.240.4852.596-a C. H.Find 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 240, Issue 485229 April 1988 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)
