Articles THE AURORA See allHide authors and affiliations Science 07 Apr 1893:Vol. ns-21, Issue 531, pp. 186-187DOI: 10.1126/science.ns-21.531.186 W. A. Ashe,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.