THE SOUTH-EASTERN MOUNTAINS OF THE CRIMEA.

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latter are frequently incrufted with calcareous fpar; being fromone fpan to upwards of ten feet ia thicknefs; extending fome-times in a ftraight line, at others with ferpentine infle&ions;rifing almoft North-eaft by Eaft, and North-north-eaft; andfinking precipitately towards the horizon. The firft of thelarge beds of ftone, which terminates at the fhore, confiftsof whitifh-grey ftrata of fand-ftone, alternately interfperfedwith bulky and thin or fmall mafles of fpar; having likewifeintermediate layers of loofe ochre with fpathofe cavities, inwhich were depofited large, flat, kidney-formed fpecimens ofa beautiful Ludus Helmontli. I alfo found, between the layersof this foflil, a comprefled piece of blackifh petrified wood,about the breadth of two expanded hands, being in a mannerdivided into fplinters, and intermingled with fpar: fimilartraces of woody particles were farther obfervable in fome ofthe fand-ftone beds. The adjacent ftratum of clay containsa few diminutive and fcattered pieces of felenite, fuch as areoften difcovered in the horizontal layers of that foflil. Anotherbed of a hard mineral, extending fomewhat more to the Eaft,refembles the ruins of a wall ere&ed of free-ftone. Its ftrataincline almoft perpendicularly, though fometimes rather con-verfely. They confift of irregulär accumulated fquares, notexadtly fitted to one another; and are in the interftices,as well as on the furface, covered and encrufted with a matter,that is apparently a Compound of fandy fchiftus and mire.Enclofed within fuch mafs, ferving the fame purpofe as themortar of a wall, we remarked a whimfical mixture of brokenbelemnites, or finger-ftones, lying together in their fragments;flat impreflions of ammonites of the breadth of a hand; and

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