LettersDiscussion and Correspondence A REPLY TO DR. PERCIVAL LOWELL By F. R. Moulton See allHide authors and affiliations Science 05 Nov 1909:Vol. 30, Issue 775, pp. 639-641DOI: 10.1126/science.30.775.639 F. R. MoultonFind 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.