Delaivare Sulphur Springs. 73 



the Mississippi River ; it is so much like this that one can hardly be 

 distinguished from the other. I have specimens of both in my cabi- 

 net. These deposits, destitute of vegetable remains, would seem to 

 indicate the western termination of the coal series.* The deposits 

 north and west are evidently tertiary, resting on the older secondary, 

 filled with bowlders of the primitive rocks and broken relics of the 

 secondary series — in some places encroaching on the coal measures, 

 as at the falls of the Cuyahoga, and again receding to the west, like 

 the bays and headlands on a rocky coast. Another indication of 

 a change in the deeper deposits, si nilar to that on the south east 

 side of the coal measures, is the formation of mineral springs. While 

 none are found of any magnitude or mineral strength within the great 

 sandstone and coal basin, they are very abundant on both the north 

 and south sides of it, in the magnesian and transition limestone series, 

 which are known to prevail in these regions. 



Delaware Sulphur Springs. — In Delaware County, about thirty 

 five or forty miles north westerly from Newark, are found several 

 sulphur and ferruginous springs. The most noted of these is the 

 White Sulphur, in the town of Delaware. From the midst of lime- 

 stone rocks, filled with marine shells and Encrini, similar to those 

 found in the valley of the Greenbrier, (Va.) it issues in a stream of 

 considerable volume, and discharges such quantities of sulphuretted 

 hydrogen, as to be smelt at a considerable distance. As the gases 

 leave the water, a precipitation of lime and sulphur takes place, in 

 such abundance as .to incrust sticks and stones lying in the course 

 of the current with a white coat, similar to the White Sulphur water 

 near Lewisburgh, Va. It is celebrated for the cure of similar dis- 

 eases, and is fast rising into notice, for its valuable sanative proper- 

 ties. The following analysis, made last spring by Dr. Michell, pro- 

 fessor of chemistry in Kenyon College, will show how near it ap- 

 proaches to those celebrated waters. 



Analysis of the Delaware Sulphur Spring. — " One wine pint of 

 the water, taken immediately from the spring, contains of 



* Six miles west of Newark, at Granville, in the same fine grained sandstone, 

 fossil bones of animals have several times been found by quarry-men. I have not 

 seen any of the specimens, although I have made application to procure some of 

 them, but have the statement from such a source as to satisfy me of its truth. This 

 rock is, geologically, below the coal measures — passing under that formation — and 

 may contain the Sauroid fishes of Agassiz, if not the Saurian reptiles. 



Vol. XXXI.— No. 1. 10 



