Gyps. 5^5 ft is not improbable that when we become ac quainted with the gyps formation of ^° nt . a f r "’ will prove to be much newer than t e ai formation, even younger than the newe c1 z The oldeft gyps occurs in primitive rnoun , fecond or the oldeft A^iz gyps lies over th fioetz limelfone, and is accompanied with roc and ftink-ftone ; the third or newer gyps lies over th fecond or variegated fandftone formation, and under the fecond floetz limcftone. The fibrous gyps occurs in, and is charatleriftic of, the third formation, as the foliated is of the fecond. Th formation difcovered by Von Buch appears o ineiorma t i inr if h fhall be confirmed, he m tranfition rocks, fo that, ^ irwrzftir- it muft be placed between the pr.tn.tive and Sorts .o, mations. .. 1 . Geographic Situation* The oldeft formation has only b “” ‘ f one place, that is, near to Bellmeona, m the Alps Italian Switzerland. '11« tranGuon gyps, of Vjr Buch occurs in the valley of Leogang.... theco^ y of Salzbourg *, the two «or« forma.tons are found in abundance in the province of Uiortng.a. In Eug'and, it occurs in Derbyllnrc, but to wto formation the gyps of that county belongs we ta not, as no well educated geognolt has ever cated any obfe,rations regard,ng ... It «« conhderlble guantity in as far as 1 am able to judg » neighbourhood 4