Dust Storms. A Fine Spectacle. 



99 



as a thick murky cloud, but once from the top of Gebel 

 Auli we witnessed a storm advancing upon us over the 

 desert like a huge tidal wave. Towering some two or three 



THE WRECK OF A TENT. 



Waiting for the Sandstorm to clear. 



hundred feet in the air, and stretching away almost to the 

 horizon on either side, the great wave curved like a 

 gigantic bow. Its centre was a shapeless mass of inky 

 blackness, but where the bow curved and the brilliant 

 sun lighted up the wave in profile, its form was as 



