CHAPTER IV On the Abyssinian border. A new school of medicine—Sacred shrines and epidemics. We left the camp of Abou Sinn on the morning of July 25th, and in a few rapid marches arrived at Tomat, a lovely spot at the junction of the Atbara with the Settite. The Settite is the river par excellence, as it is the principal stream of Abyssinia, in which country it bears the name of "Tacazzy." Above the junction the Athara does not exceed two hundred yards in width. Both rivers have scooped out deep and broad valleys throughout their course. This fact confirmed my first impression that the supply of soil had been brought down by the Atbara to the Nile. The country on the opposite or eastern bank of the Atbara is contested ground. In reality it forms the western frontier of Abyssinia, of whic

