October 1911 Issue [Article] Tracking up the Rio Negro Download PDF Adjust Share by Caspar Whitney, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Brazil Canoes and canoeing Description and travel Rio Negro Rio Negro (Amazonas, Brazil) Social life and customs Tupi Indians More from Caspar Whitney The rise of the country club and the suburban home Adventuring along the upper Orinoco Through the gateway of El Dorado Adjust Share