ALTITUDE OF THE EARTH. 9 



lower ; its height being, according to Delambre, 

 6196 ft. 



22. The Pic du Midi of the Pyrenees, in 42 45' 

 N.L., penetrates the snow-line; its height being, ac- 

 cording to Ramond, 9640 ft. ; and the line of perpe- 

 tual snow commences on the Pyrenees at 11,180 ft. 



23. The Marbore, also a Pyrenean mountain, in 

 42 25 N. L., extends yet farther into the snow-line; 

 its height being, according to Ramond, 11,190 ft. 



24. The same holds good in the Maladetta, another 

 summit of the Pyrenees; which, according to Cordier, 

 is 10,679 ft. 



25. Vesuvius, in the vicinity of Naples, in 41 N.L., 

 is, according to Saussure, 3899 ft. ; and therefore 

 remains much below the snow-line. 



26. But the highest summit in Southern Europe, 

 Etna, in 2725 / N.L.,is covered with perpetual snow; 

 its height being 10,963ft. 



27. Several summits of the Cordilleras, in North 

 America, are higher than the limit of perpetual snow. 

 Besides Mount Elias, there is the Peak of Louisiana, 

 in about 36; which, according to Pike, is 19,803 ft. 



28. The Himalayan Mountains in Asia, between 

 the 40th and 30th degree of North Latitude, are un- 

 doubtedly the highest in the world. A peak in 35 

 of N. L., according to Crawford, is 24,964 high. 



A 3 



