186 



Stein, Fredrick. Synopsis of the Molluscus faunas of Indiana. J. Col- 



lett's Geol. Rep. 1880. 

 Steuben county. Flora of. E. T. Cox Geol. Rep. 1873. 



S. S. Gorby's Rep. 1891. 



Stevenson, J. J. Report of the Sub-Committee on Upper Paleozoic 



(Carbonic). Am. Geologist, vol. II, pp. 248-25(). 



Gives classification of the carboniferous rocks as known in U. S. 



Indiana classification as follows : 



Merome Sand stone. 

 Upper coal measures. 



Upper coal measures . . . 



Middle coal measures ■ • • ] Lower coal measures 



Lower coal measures .... I Conglomerate or millstone. 

 ( Grit. 



gg I Greenbrier Mountain Limestone. 



^5 -I 



3 ^ I Pocono Knobstone group in part. 



St. Joseph county. Geology of. R. Os^^en's Rep. 1859-(i0; do (peati, 



E. T. Cox Rep. 1872-73. 

 Sutton, George. The Gold bearing rocks of Ind. A. A. A. S., vol. 30, 

 p. 177, 1881. 



Glacial or ice deposits in Boone county (Ky.) of two distinct 



and widely distant periods. E. T. Cox Geol. Rep 187(i-77-78. 

 Sullivan county. Geology of. R. Owen's Rep. 1859-60; (Coal) E. T. 

 Cox, 1872; do 1873; do (coals) E. T. Cox, 1870; do 1875. J. Collett's 

 Rep. 1883; coal (seeLesquereux). 

 Switzerland county, Geology oi. R. Owen's Rep. 1859-60; do E. T. 



Cox Rep. 1872. 

 Thompson, Maurice. Fifteenth Annual Report Dept. of Geology and 

 Natural History, 1885-86. 

 Compendium of Geology and Mineralogy of Indiana, pp 10-25. 

 Gives a sketch of the geographical extent of the Sil. Dev. Subcarb. and Coal-meas- 

 ure rocks of Indiana. 

 Indiana Building Stone, pp. 26-33. 



Describes the qualities and extent of I, limestones in general. II, oolitic lime- 

 stones. Ill, sandstones. 

 Clays of Indiana, pp. 34-40. 



Describes the nature, composition and mode of formation. Describes endianite 

 (analysis; and compares it with analysis of clays from other countries. 



