175 



berg groups of Indiana. (Plates.) J. Collett's Rep. 1882. 



Descriptions of the fossil reticulate sponges, constituting the 



family Dictyospongidfe (4 plates). 35th Ann. Rep. N. Y. Mus. Nat. 



Hist., 1884. 



The following genera from the Keokuk beds about Crawfordsville are 



figured and described : Dictyophyton, Ectenodictya, Lyrodictya, 



Phyagmodictya, Cleodictya, Physopongia. 



Descriptions of some new species of fossils from the carbon- 



iferous limestones of Indiana and Illinois. Trans. Albany Inst., vol. IV, 



pp. 1-37. 



See also A. J. S., vol. XXIV (second series), p. 27C. 



Notice of some new species of fossils from the Niagara of In- 

 diana, with list of identified species from the same place. Pub. May 2d, 

 1883 (34 pp. 8vo). 

 Abstract read before Albany Inst., April 29th, 1862. 



Hancock county, Geology of. R. Owen's Rep. 1859-60. M. Thomp- 

 son Rep. 1885-1886. 



Gas. (See Phinney Natural Gas, in Indiana.) 



Hamilton county, Geology of. R. Owen's Rep. 1859-60. Collett's Rep. 

 1884. (Gas, see Phinney.) 



Harrison county. Geology of. R. Owen's Rep. 1859-00; do E. T. Cox, 

 1872; do, 1876-78 ; do. 1881. 



Hartmann, Hugh. Manufacture of Spiegeleisen, E. T. Cox Rep. 1872, 

 pp. 71-101. 



Iron and steel industries of Rhenish Prussia and Westphalia. Germany at the 

 Vienna Exhsbition of 1873 (with map), pp. 13-70. 



Hatfield. R. S. Indiana Oolitic stone. J. Collett's Rep. 1884. 



Hay, O. P. Batrachians and reptiles of Indiana. S. S. Gorby (17th an- 

 nual report), 1891. 



Haymond, Rufus. Notes of remains of Megathorium, Mastodon and 

 Silurian Fossils. (General description.) A. J. S. (first series) vol. 

 XLYI, pp. 294-296. 



Hendricks county, Geology of. Owen's Rep. 1859-60. 



Henry county, Geology of. Owen's Rep. 1859-60; do M. Thompson's 

 Rep. 1885-86. (Gas see Phinney.) 



Hobbs, Prof. B. O. Geological report of Parke county, E. T. Cox Rep. 

 1872, pp. 337-341. 



Describes topography, drift deposits, stratigraphy (general sections), gives some gen- 

 eral observations upon coal, iron ore and sand stones of the county. 



