PT - JOURNAL ARTICLE ED - , TI - <em>SCIENTIFIC JOURNALS AND ARTICLES</em> AID - 10.1126/science.39.1012.760-a DP - 1914 May 22 TA - Science PG - 760--761 VI - 39 IP - 1012 4099 - http://science.sciencemag.org/content/39/1012/760.2.short 4100 - http://science.sciencemag.org/content/39/1012/760.2.full SO - Science1914 May 22; 39