The Geology of Cincinnati. 99 
1873.-— Orton, Edward. Geology of the Cincinnati Group. (Rep. 
Geol. Sur. Ohio, I, 1873, pp. 365-418.) The Geology of Hamilton 
County. (Ibid., pp. 419-434.) 
1879. —Miller, S. A. Report of Committee on Geological Nomen- 
clature. (Jour. Cincinnati Soc. Nat. His., I, 1879, pp. 193-194.) 
1879.— James, U. P. Geological Nomenclature. The Cincinnati 
Group —The “Hudson River Group.’ (The Paleontologist, No. 4, 
July to, 1879, pp. 27, 28.) [Objects to the report of the Cincinnati Soc. 
Nat. Hist. Committee on Geological Nomenclature.] 
1882. —Linney, W. M. Notes on the Rocks of Central Kentucky. 
(Geological Survey of Kentucky, J. R. Proctor, Director, 1882, pp. I-19.) 
1886.— James, Joseph F. The Geology of Cincinnati. (Jour. Cin- 
cinnati Soc. Nat. Hist., [X, 1886, pp. 20-31, 136-141.) 
1887.— James, Joseph F. Account of a well drilled for oil or gas at 
Oxford, Ohio, May and June, 1887. (Jour. Cincinnati Soc. Nat. Hist., 
X, 1887, pp. 70-77.) 
1888.—Jamies, Joseph F. An ancient channel of the Ohio River at 
Cincinnati. (Jour. Cincinnati Soc. Nat. Hist., XI, 1888, pp. 96-101.) 
1888.— James, Joseph F. The Ivorydale well in Mill Creek valley. 
(Jour. Cincinnati Soc. Nat. Hist., XI, 1888, pp. 102-104.) 
1888.— Orton, Edward. The Geology of Ohio. (Rep. Geol. Sur. 
Ohio, VI, 1888, pp. 4-10.) 
1888.— Ulrich, E.O. A Correlation of the Lower Silurian Horizons 
of Tennessee and of the Ohio and Mississippi valleys with those of 
New York and Canada. (American Geologist, I, 1888, pp. 100-110, 
179-190, 305-315; II, 1888, pp. 39-44.) 
1889.— James, Joseph F. Remarks upon Sedimentation in the Cin- 
cinnati Group. (Jour. Cincinnati Soc. Nat. Hist., XII, 1889, pp. 34-36.) 
1889.— Orton, Edward. The Trenton Limestone as a source of 
Petroleum and Inflammable Gas in Ohio and Indiana. (Eighth Ann. 
Rep. U. S. Geol. Sur., 1889, Part II, pp. 475-662, especially pp. 546-7, 
556-8, 573-580. ) 
1889.— Perry, Nelson W. The Cincinnati Rocks; what has been 
their physical history. (American Geologist, IV, 1889, pp. 326-336.) 
1890.— Orton, Edward. Geological Scale and Geological Structure 
of Ohio, (First Ann. Rep. Geol. Sur. Ohio. Third Organization. 
Columbus, 1890, pp. 10-16.) 
1891.— Foerste, Aug. F. The Age of the Cincinnati Anticlinal. 
(American Geologist, VII, 1891, pp. 97-109.) 
1891.— James, Joseph F., On the Age of the Pt. Pleasant, Ohio, 
Beds. (Jour. Cincinnati Soc. Nat. Hist., XIV, 1891, pp. 93-104.) 
1895.— Orton, Edward. Geological Scale and Geological Structure 
of Ohio. (Rep. Geol. Sur. Ohio, VII, 1893 [1895], pp. 4-9.) 
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