Th. Thoroddsen: An Account of the Physical Geography of Iceland with special Reference to the Plant Life. The Botany of Iceland, edited by L. Kolderup Rosen vinge and Eug. Warming, Part I, Nr. 2 (S. 187—343). Published by the aid of the Carlsberg Fund. Copenhagen (J. Frimodt) & London (J. Wheldon & Co.) 1914. - H. Ostenfeld, C. (Geografisk Tidsskrift, 1916)