2 o 2 TRAVELS THROUGH 



road went over fuch a clay-bed in a plain gnd 

 horizontal direction, 



Four miles toCrjaneth; where it generally afcen- 

 ded over a long ridge of hills, which being entirely 

 cloathcd with fhrubs and bufhes did not appear 

 ftratified j but oftered rubbifh and feparated frag- 

 ments cf marl-Hate and clay, with fome mica. 



This rubbifh continued fourteen miles to Monte 

 Caravallo j where a fleep and bare hjll offers fome 

 beds of a coarie clay, mixed -with lime or marl- 

 fccne, which incloled mica and irregular broken 

 pieces of macigno. Theie beds are in an oblique 

 dipping pofition, oppofiue to that before-mentioned, 

 which, appearing but for a Ihort way, is a mark 

 of an accidental convulfion ; which 



Two miles farther has happened in Monte Tra- 

 verfo. 



This hill lies acrofs the ridge of the Apennines, 

 is extremely fleep, fplit from top to bottom, and 

 conftfts of blaclc-greenilli grey ipotted lava. Among 

 the many fcattered feparated ftones, which are 

 remains of the old eruptions, I found numbers of 

 large limeftones. Beyond Monte Traverfo towards 

 Bologna, the grey limeitone-beds appear again in 

 their general dipping pofition. 



From Monte tfraverfo the road afcended fome- 

 what during four miles to Pietra Ma/a, on whofe 



fummit 



