M O U 



Mexico . 7,525 



Mount Cenis (Alps) transition slate, &c 6,780 



Mount Olympus (Turkey) primitive limestone, with serpen- 

 tine, syenite, porphyry . . , . . . . . 6,500 



: Stony Mountains (N. America) 6,250 ' 



Mont d'Or (France) . 6,130 



Roettruck (Sweden) gneiss and mica slate .... 6,000 



Mount Reculet (Switzerland) . 5,590 



Puy de Dome (France) ancient volcanic rocks (trachyte) . 5,225 



La Souffriere (Guadaloupe) volcanic 5,110 



Hecla (Iceland) volcanic from top to bottom, scoria, lava, 



tuff, porphyry, slate, &c 5,010 



Mount Ida (Turkey) 4,960 



Ben Nevis (highest in Britain) feldspathic slate, greenstone 



slate, &c 4,370 



Jorulla (volcano, Mexico) volcanic scoria .... 4,265 



Ben Lawers (Scotland) 4,015 



Mount Vesuvius (Italy) volcanic ashes, scoria, lava . . 3,935 



Ben Wyvis (Scotland) 3,720 



Snowden (highest in Wales) transition slate, with organic re- 

 mains, greenstone slate, &c. 3,571 



Town of Caracas 3,490 



Ben Lomond (Scotland) feldspathic slate, greenstone slate, 



&c 3,250 



Sea Fell (Cumberland) chloritic slate, greenstone slate, com- 

 pact felspar, &c 3,166 



Helvellyn do. . .,...* 3,055 



Skiddaw, clay slate, with crystals of chiastolite . . . 3,022 



Cadir Idris, compact felspar, greenstone slate, &c. . . 2,914 



Cross Fell, mountain limestone, and millstone grit . . 2,901 



Cheviot, porphyry 2,653 



Plyulimmon 2,463 



Whernside (Ingleton Fells) mountain limestone, gritstone, 



&e. . 2,38i 



190 



