LettersDiscussion and Correspondence NORTHERN LIGHTS By Thomas Byrd Magath See allHide authors and affiliations Science 21 Sep 1917:Vol. 46, Issue 1186, pp. 290DOI: 10.1126/science.46.1186.290 Thomas Byrd MagathFind 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.