8o Egypt of the trade by driving it into secret and circuitous channels. It was Egypt that now gave a lead to the East in this suppression of the slave trade. Slavery had been abolished as a legal institution by Said. Ismail now signed a series of international conventions against the slave trade (Conventions with Great Britain, August 4 and September 7, 1877, and Decrees of August 4, 1877, and January i, 1878). And it was no small matter for an Islamic autocrat to decree that a fundamental principle of Islam and one of its main forms of property was illegal, and to join with Christian States for suppress- ing it internationally. But Ismail went further than decrees, and did succeed in striking a real blow at the root of the evil at great risk to his own power. For the slave trade was of more importance to Egypt than to any other Eastern State. The Nile and the Red Sea were the natural channels by which the slaves of Central Africa reached Asia Minor and Arabia. Some fifty thousand slaves, the survivors of probably four times that number wasted in collection and transport, passed annually along that via dolorosa, and of these some ten thousand at most survived mutilation and the miseries of being marketed to enter a comparatively happy life in the,households of the Near East. Which traffic was not only a source of much private profit to Egypt, but was a part of the whole structure of public and private property. If Egypt wanted recruits or revenue either could be got by a slave raid in the Sudan, The Sudanese Pashas were paid, or rather paid themselves in slaves, The slave dealers (djeUahs) and their mercenaries were the real government of the Sudan. In 1864 the Governor of Kassala was besieged for two months by slavers. Slave traders had the Pashas of Egypt in their pay,