i86 POPULAR SCIENCE MONTHLY. 



bleached to whiteness luider the burning sun, and in great part still 

 (tarrying the dried-up cartilage and muscle which had not yet fully 

 left their support. Here, perhaps, a leg, there a skull, elsewhere 

 the full skeleton — each sadlv reading the same history — the 









'Pk^'^ 'fr^K:-^ 



attempted passage of the Sahara and the fall by the roadside. In 

 the course of the day we came upon the parts of probably not less 

 than fifty animals, most of them camels; the remains of a few mules 

 and donkeys were added to these, but their scarcity plainly showed 



