National Geographic Magazine Volume 2 Number 1 April 1890.: * On the Telegraphic Determinations of Longitude by the Bureau of Navigation * Report: Geography of the Land * Report: Geography of the Air National Geographic Magazine Volume 2 Number 2 May 1890.: * The Rivers of Northern New Jersey, with notes on the classification of rivers in general. * A Critical Review of Bering's First Expedition, 1725-30, together with a translation of his original Report upon it. * Supplementary note on the alleged observation of a Lunar Eclipse by Bering in 1728-9.