In 1850 James Richardson, accompanied by Heinrich Barth and Adolf Overweg, reached the lake, also via Tripoli, and Overweg was the first European to navigate its waters (1851).
See the works of Denham, Clapperton, Barth and Nachtigal cited in the biographical notices; Geog.
Stralsund entertains passengerboat communications with Barth, Stettin, Rostock and Lubeck as well as with various small ports on the isle of Riigen.
Barth, Religions of India, Eng.
Barth, however, concluded that the present town does not date earlier than the second half of the 1 6th century, and that before the rise of the Fula power (c. 1800) scarcely any great Arab merchant ever visited Kano.