Abyssinian girls carrying water to a camp. Wood engraving by P.F. Durand.

"In April, accompanied by John Wylde, he [Sir William Hewett] went on a mission to King John of Abyssinia, whom, by judicious concessions on trade, he induced to sign a treaty of friendship, at Adowa (3 June 1884), and to agree to assist the evacuation of Egyptian garrisons in his neighbourhood, and more especially Kassala." (Oxford dictionary of national biography)