CHAPTER XVII.
THE SECOND CATARACT.
Volcanic Mountains--Kalat Adda--Gebel est-Shems--The First Crocodile--Dull Scenery--Wady Halfeh--The Rock of Abusîr--The Second Cataract--The Great View--Crocodile-slaying--Excavating a Tumulus--Comforts of Home on the Nile 283