250 T R AVELS THROUGH 



Shells petrified into agate, in a yellow fine to- 

 phaceous fand-ftone, found in a fand-hill at the 

 Florentine gate at Siena. 



6. White and tranfparent petrified turbinites 

 in a fimilar fand-ftone-, the turbinites hollow. 



7. Native copper in quartz, with cryfocolla, 

 from a new-difcovered mine at Paris, in the Sa^ 

 nefe, twenty-three miles diftant from Siena, clofe 

 -to the Via confularis to Grojfctto. 



8. Grey antimony in large and long cryftals, 

 covered with cryftallized native fulphur and fari- 

 naceous auripigment, from an antimony-mine, 

 Bear Per eta nella Maremma Sanefe. 



9. Granite-^ the fubftance of fome hills in the 

 Sanefe. 



10. Argillaceous flate, from Montagnuola and 

 Prata, in the beginning of the Maremma Sanefe, 

 xvhere it is in large hills covered with calcareous ; 

 defcribed by Mr. Baldajfari in the eleventh volume 

 of the Sanefe Tranfaclions, or in his Sketch of 

 a .Natural Hiftory of Prata. 



11. Argillaceous flate, with white marble veins, 

 without any quartz ; different from the preceding 

 fpecies on account of its antiquity and pofition, 

 as being not inferior to the calcareous ftrata ; but 

 gratified in the calcareous hills hear Gerfalco, be- 

 tween that place and Prata. The micaceous 



