292 SUMMARY OF THE CONTENTS OF VOL. I. 



Diego Ramirez to Behring's Strait. Long circulated errors re- 

 specting the heights of mountains in the eastern chain of the Andes 

 of Bolivia, especially the Sorata and the Illimani. Four summits 

 of the western chain of Bolivia, which, according to Pentland's 

 latest determinations, are higher than the Chimborazo, but are not 

 equal in height to the still active volcano of Acongagua measured 

 byFitz-Roy 5558 



The African mountains of Harudsch-el-Abiad. Oases . 58 60 



West winds on the coast of the Sahara. Accumulation of sea-weed ; 

 position of the great bank of Fucus from the time of Scylax of 

 Caryanda to that of Columbus, and to the present day . 60 67 



Tibbos and Tuaricks. The camel and its distribution . 6771 



Mountain systems of the interior of Asia between Northern Siberia 

 and India. Erroneous belief in the existence of a single great 

 elevated plain called " Plateau de la Tartarie" . . 7175 



Chinese literature a rich source of orographic knowledge. Series of 

 elevations of different higlilands. Desert of Gobi. Probable mean 

 height of Thibet 7585 



Review of the mountain systems of the interior of Asia. Chains 

 running in the direction of the meridian ; the Ural, which separates 

 the low part of Europe from the low part of Asia, or divides into 

 two portions the Scythian Europe of Pherecydes of Syros and of 

 Herodotus ; Bolor ; Khingan and the Chinese chains, which, near 

 the great bend in the direction of the Thibetian and Assamo- 

 Burmese river Dzangbo-tschu, run north and south. The elevations 

 which, between 66 and 77 E. long, from Greenwich, follow the 

 direction of meridians from Cape Comorin to the Icy Sea, alternate 



