In this lecture before an audience at the Bromley Literary Institute in London in 1862, the author chronicles the early "exploration" by Europeans along the River Niger. There is detailed information on the the slave trade, and European commercial venturing and exploitation in Central Africa during the 18th and 19th centuries. This pamphlet includes and early map of Central Africa and a table detailing the rise and fall of the River Niger. 1862, 2005. 43 pp.