I / 2 



Cincinnati Society of Natural History. 



section below the Clinton. The bluish shaly clay below the 

 Belfast bed undoubtedly corresponds to the blue clay bed found 

 at a similar horizon along Todd's Fork, west of the Belfast bed expo- 

 sure, a considerable distance down stream. It probably also corres- 

 ponds to the blue clay bed at the base of the section on Morris' Hill, 

 east of Dodd's Station, and to the brownish shales immediately over- 

 lying the same. 



10. Goe's Station — three and a half miles south of Yellow 

 Springs. West of the station, up a ravine behind the farm house of Mr. 

 Goe, a considerable thickness of Clinton is well exposed. It is chiefly 

 crinoidal, and is stained reddish or brown by iron compounds. Few 

 fossils were found here. Including those found in the same horizon 

 as far northwards as Yellow Springs, the following is the list : Favosites 

 favosideus, Favosites venustus, with cells i mm. and less in diameter, 

 Halysites catcnulatus, Diphyp/iylln/n ccespitosum, CyathophyUum calicula, 

 Chonophyllum niagarense, PhyUoporina angulata, Hemitrypa ulrichi, Orthis 

 biforata i var. daytonensis and liken us daytonensis. 



Immediately beneath the Clinton occurred a fine grained, light 

 brown rock, more bluish where fresher, inclined to be massive in some 

 of its courses. This rock attains here an aggregate thickness of seven 

 feet. It is the Belfast bed of more southern sections. It is 

 more inclined to show shaly courses than the more massive 

 representatives farther south. Beneath are nine feet of thin, light 

 brown shales. Below this the section was not measured. First there 

 comes one foot of a light blue clayey material, then at least six feet, 

 which are unknown, but which at another point, not far south, seems 

 to contain some brownish rubbly rock. Below this are at least eight 

 feet of clay, of a bluish color, frequently mottled however with reddish 

 and purple. This completes the section in the ravine, but farther 

 southwest, along the hill side, it becomes evident that perhaps twelve 

 feet of light brown shale intervened between the clay and the fossil- 

 iferous Cincinnati limestone beneath. 



1 1 . Donnelsville — nine miles west of Springfield, on the railroad 

 to Troy. An eighth of a mile east of the station, on the hillside north 

 of the pike, the Clinton is well exposed. Its color is here pinkish or 

 even rose colored. The rock is very hard, apparently siliceous, and 

 contains few fossils, even the crinoid stems are often represented only 

 by casts. Underlying the same is the typical Belfast bed, a fine 



