Articles Knuckle-Walking and the Problem of Human Origins See allHide authors and affiliations Science 21 Nov 1969:Vol. 166, Issue 3908, pp. 953-961DOI: 10.1126/science.166.3908.953 Russell H. TuttleFind 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 166, Issue 390821 November 1969 Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)