He insists on the importance of acquiring Mombasa from the Sultan of Imam and persuading him to declare the slave trade piracy and condemned in his dominions as an adjunct to the Spanish Treaty. He mentions information received from Captain Coghlan of the extent of the Sultan's slave trade. He offers to send him the information gathered from Montgomery Martin about Mombasa, suggesting that he might show it to Lord Palmerston so that the opportunity to acquire the island might not be lost. He comments on the arrival of Captain Henderson in London to obtain Britain's acknowledgement of the independence of Texas. (Copy.)