INDEX 



Page- 



buckland, --14 



Classes, 15, 25 



Creation, 10^ H 



CuviER, 13 



Definitions, 9, 25, 26 



Deposites, 15, 16 



Depth, known, lo 



Descriptions, 31, 47 



Equivalents, 61 



Geography, physical, - - - - - 12 



Gravity, specific, - 9 



Heat, internal, 9, 10 



History of and by, Geology, - - - 10, 12 

 Humbolt, - 13 



HUTTON, -13 



Hypotheses, - - - - - 16, 25 

 Lehman, 



Minerals, useful, - - - - - H 



Mining, - - - - - - -11 



Organic Relics, ------ 49 



Segments, - - - - - - 17^ 21 



Series, 15, 25 



Soils, 11, 53 



Strata, general, 31 



Synopsis, - -- -- --27 



Uses of Geology, ------ 10 



Werner, - 12, 13 



ERRATA. 



Page 3, line 1, "Every geologist," should be, all geologists. 

 Page 9, line 10, "insolated" should be, insulated. 



Page 23, on the Segment, the word Mississippi should be three-fourths ol an 



inch farther west. 

 Page 32, line 9, from bottom, " tubular," should be, tabular. 

 Page .50, in the third paragraph, the second time *• retired" is nsed, it should 



be, returned. 



