187 



Indiana Chalk-beds, pp. 41-43. 



Describes the probable modes of formation; gives analysis <by Dr. Hurty) of sam- 

 ples from Lake Maxinknckee and Kosciusco county. 



Glacial deposits in Indiana, pp. 44-56. 



Discusses Glaciers and their action; the glacial period, its extent and effect; 

 descriptions of the drift deposits of Ind.; describes briefly sections and borings 

 showing the interior of the drift deposits ; also special features of the drift. 



A Terminal Moraine in Central Indiana, pp. 57-GO. 



Henry county and portions of Randolph, Wayne and Delaware coun- 

 ties, Geology of. A. J. Phinney, pp, 97-116. 



Washington county, Geology of. S. S. Gorby, pp. 117-153. 



Clinton county, Geol. Survey of. W. W. Thompson, pp. 154-159. 



Boone county. Geology of. S. S. Gorby and S. E. Lee, pp. 160-176. 



Marshall county. Geology of. AV. H. Thompson, pp. 177-182. 



Maxinknckee lake. W. H. Thompson and S. E. Lee, pp. 182-186. 



Hancock county. Geology of. R. T. Brown, pp. 187-197. 



Benton county. Geology of. S. S. Gorby, pp. 198-220. 



Starke county. Geology of. W. H. Thompson, pp. 221-227. 

 * The Wabash Arch. S. S. Gorby, pp. 228-241. 



Geographical Botany. W. W. Thompson, pp. 242-252. 



Origin of Indiana Flora. .T. ^l. Coulter and H. Thompson, pp. 253- 

 282. 



Fossil Mammals of the Post-Pliocene of Indiana, pp. 283-285. 



Pre-historic Race in Indiana. S. S. Gorby, pp. 286, 313, 334.* 



Natural Gas (what is it?) pp. 314. 



Dissimilarities in composition, origin and accumulation; where found. "Surface 

 signs" of its existence. 



Gas Wells and Oil in Indiana. Outline of well sections. Character 

 of the gas. Glossary, S. E. Lee. 



Geology and Natural History with natural Gas map (Sixteenth 



Annual Report, edited by S. S. Gorby) 1888. 



Drift beds of Indiana, pp. 20-38. 



Describes the changes and modifications of the drift since its deposition ; direction 

 and force of the glacial ice ; depth and structure of the drift in Ind.; minerals 

 and fossils of the drift. 



The Wabash Arch. p. 41. 



Fossils and their values. W. H. Thompson, pp. 54-74. 



Outline sketch of the most valuable minerals of Ind. W, H. Thomp- 

 son, pp. 77-85. 



