LettersDiscussion and Correspondence SHARKS AT SAN DIEGO By H. W. Norris See allHide authors and affiliations Science 23 Dec 1921:Vol. 54, Issue 1408, pp. 630DOI: 10.1126/science.54.1408.630 H. W. Norris 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 above.