110 



Prof. J. Prestwich. 



II 



Name of place. 



Ill 



Nature of the strata. 



IV 



Depth of 

 well or 

 boring. 



29 



61 

 94 

 118 

 119 

 89 

 90 



34 

 64 

 168 



161 



81 

 144 



182 

 166 



144a 



Switzerland. 



Pregny, near Genera . . . 



j, • . . 



Italy. 



Conselica, Ferrara 



Reggio* 



Venice, Villa Francesco 

 Venice, Gras -works 

 Naples, Largo Vittoria. . 

 „ Royal Palace . . . 



Germany and Austria. 



Neu Salzwerk 



Vienna 



Buda-Pesth 



jj 



Artern, Thuringia* . . . 

 Rudersdorff, Prussia . . . 



Rehme, "Westphalia .... 



Sperenberg, Berlin 



3> JJ 



J> 5J 



JJ >) 



Minden, Westphalia . . . 

 Pitzbuhl, Magdeburg* . 



Russia. 

 St. Petersburg § 



Molasse 



Alluvial Beds . . 

 Pliocene Marls , 

 Alluvial Beds . . 



Volcanic Tuffs and Tertiary Strata 



Liassic and Triassic Strata . . . 



Tertiary Strata 



Tertiary and Triassic Strataf 



Triassic Strata. 



Gypsum and Anhydrite, 283 feet Rhen. 

 Rock Salt 3769 feet Rhen. 



Silurian Strata resting on Granite 



Feet. 



713 



0—200 

 200—650 



164 

 2297 

 118 

 236 

 909 

 1460 



2038 



617 



2966 

 0—328 

 328—1640 

 1640—2966 



1012 

 880 



22S0 



4052+ 

 Rh. 0—700 



700—1500 

 1500—2100 

 2100—3390 



2230 



495 



656 



