For, as a general rule, the more ancient the strata is in which the limestone is found, the harder the limestone is; except in cases where volcanic action and earthquake pressure have hardened limestone in more recent strata, as in the case of the white marbles of Carrara in Italy, which are of the age of our Oolites, that is, of the freestone of Bath, etc., hardened by the heat of intruded volcanic rocks.

This rare little fern is a northern species and springs from tiny crevices in rocks, preferring limestone.

At noon basalt appeared covering the limestone and sandstone.

The nearest trap rock is half a mile or more distant, a columnar dike perhaps fifteen feet in thickness, cutting the limestone vertically.

It is on the property of a Mr. John J. Gordon, and produces a very fine limestone for use in the furnaces and forges in the vicinity, as well as lime for agricultural purposes, it being the only limestone in the vicinity for fifteen miles.

May be looked for wherever there are ledges, as it does not require limestone.

There are three shades of bricka bright red, a dull or Indian red, and a shade between the two; slate from a neighboring quarry gives a dark bluish gray; an oolite supplies the warmer buff; and a fine white composition resembling limestone is used for the center points and borders.

White and yellow iron pyrites are abundant in the gneissic rock adjoining the limestone, and frequently very fine, perfect crystals may be found handsomely dressed upon the rock.

The sandstone underlying the magnesian limestone, and which is so soft as to be easily crushed, could be used we judge in the manufacture of glassware at great profit to the manufacturer; but as yet, there is nothing done that we know, and it is not strange when we reflect that it is but a score of years since St. Paul was really occupied and settled.

The water contains limestone, and coats over whatever substance it falls upon.