165 



Warren county, Geology of. John Collett. pp. 191-259, 



Description of Reptilian footprints, p. 247. 



Lawrence county, Geology of. John Collett. pp. 260-314. 



Knox county, Geology of. John Collett. pp. 37")-382. 



Gibson county. Geology of. John Collett. pp. 383-4o0. 



Dekalb, Steuben, Lagrange, Elkhart, Noble, St. Joseph, and Laporte. 



Observations on. G. M. Levette. pp. 430-474. 

 —Annual report of the Geological Survey of Indiana for 1874, p. 



287 ; two plates and maps. (County reports by Cox, Collett and Borden ; 

 fossil lists by Hatfield and Cornett ; papers on fishes, Jordan ; on botany. 

 Coulter.) 



In the chapter on geology it gives a sketch of continental development ; a list of 

 Loch's fossils : reports the discovery of Porcelain clay, and tables of analyses of 

 clays and of iron ore. 



Geological survey of Indiana, 1875, (with maps of several of 



the counties appended). 



Describes briefly the varieties of Indiana coals ; discusses their industrial values and 

 the method of analysis of coals, which should be followed, and reviews the Geo- 

 logical work accomplished during the year. Analysis of coals from Clay, Owen, 

 Fountain, Vanderburg, Greene, Warrick, Posey, Sullivan, Daviess, Vermillion, Vigo, 

 Parke, Montgomery, Fayette (Pa.), Mecklenburg (Ky), Lignite, Robeftson county 

 (Tex). 



Geology of Vigo county, pp. 79-115. 

 Traces the various coal-seams and gives numerous sections from quaternary and 



the coal-bearing areas. Building stone, clays, petroleum, iron ore. 

 Huntington county, pp. 116-133. 



The only rocks represented here belong to Paleozoic (Niagara), followed directly 

 by glacial drift. Reference is made to the fossils of the Niagara to Glacial drift 

 (quaternary.) 

 Species of Fossil Marine Plants from the carboniferous measures, pp. 



135-145, by L. Lesquereux. 

 Jennings and Ripley counties, pp. 146-202. 

 Describes the stratigraphic features of the geol. formations represented, viz : 



Quaternary, Devonian (Hamilton), Up. Silurian. 

 Orange county, pp. 203-239, by M. N. Elrod and E. S. Mclntire. 

 Vanderburg, Owen and Montgomery counties, Geology of. John 



Collett, pp. 240-422. 

 Clay county. Geology of. John Collett, pp. 423-462. 

 Geological Reconnoissance of the Coal Measure Rocks of Putnam 

 county. John Collett, pp. 463-468. 



