100 Cincinnati Society of Natural History. 
1898.— Fowke, Gerard. Pre-glacial Drainage in the Vicinity of 
Cincinnati; its relation to the origin of the modern Ohio River, and 
its bearing upon the question of the southern limits of the ice-sheet. 
(Bull. Sci. Lab. Denison Univ., XI, 1898, pp. I-10.) 
1900.— Fowke, Gerard. Pre-glacial Drainage Conditions in the 
Vicinity of Cincinnati, Ohio. (Ohio State Academy of Science, Special 
Papers, No. 3, 1900, pp. 68-75.) 
1901.—Cumings, Edgar R. A Section of the Upper Ordovician at 
Vevay, Indiana. (American Geologist, XXVIII, 1go1, pp. 361-381, pls. 
XXXIV, XXXv.) 
1898.— United States Geological Survey. Topographic Map. East 
and West Cincinnati Quadrangles. Surveyed in 1898. Contour 
interval, 20 feet. 
CATALOGUES OF CINCINNATI FOSSILS. 
1871.— James, U. P. Catalogue of the Lower Silurian Fossils, Cin- 
cinnati Group, found at Cincinnati and vicinity — within a rangé of 
forty or fifty miles. Cincinnati, 1871. I4pp. Second Edition, April, 
1875. 8pp. Supplement, July 10, 1879, in Paleontologist, No. 4, 1879, 
Pp. 29-32. 
1873.— Orton, Edward. Catalogue of the Described Fossils of the 
Cincinnati Group as shown in southwestern Ohio. (Rep. Geol. Sur. 
Ohio, I, 1873, pp. 400-411.) 
1878.— Mickleborough, John, and Wetherby, A.G. A Classified List 
of Lower Silurian Fossils, Cincinnati Group. (Jour Cincinnati Soc. 
Nat. Hist., I, 1878, pp. 61-86.) 
1879.— Miller, S. A. Catalogue of Fossils found in the Hudson 
River, Utica Slate, and Trenton Groups, as exposed in the southeast 
part of Indiana, southwest part of Ohio, and northern part of Ken- 
tucky. (Eighth-Ninth-Tenth Ann. Reports [one volume] Geol. Sur. 
Indiana, 1879, pp. 22-56.) 
1880.— Ulrich, E.O. Catalogue of Fossils occurring in the Cincin- 
nati Group of Ohio, Indiana, and Kentucky. Cincinnati, 1850. 31Ipp. 
1881.— James, Joseph F. Catalogue of the Fossils of the Cincin- 
nati Group. Cincinnati, 1881. 27pp. 
1896.— Harper, G. W., and Bassler, R. S. Catalogue of the Fossils 
of the Trenton and Cincinnati Periods, occurring in the vicinity of 
Cincinnati, Ohio. Cincinnati, 1896. 34pp. 
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