< I N D E X* 



Elephant tufk in volcanic tufo, 204. 



S. Elmo volcano, 127. 



Emerald in a columnar cryftallized form, like (herl, with Iherl- 



cryftals in quartz, 317. 291, 

 _ matrix, green, with red garnets, wrongly called 



Granite, 329. 



Euganean hills volcanic, 15. 17. 

 Eumecide, Tufean name of Breccia, 88, 89. 

 and of other objects, 89. 



F. 



Fabrini at Florence, 263. 



Farfetti (Filippo) at Venice, 16. 34. 



Favorita petrifactions, 48. 



Feld-fpath in Granite, red, violet, and white, 226, 227. 



conftantly in cubic, lamellous, or undetermined 



forms, 227. 



in Serpentine- ilone fiflures, 278. 



S. Filippo (Bagni di) 



on monte di S. Fiore, which is volcanic, 244. 

 Their calcareous porus or fedtment, and D. F'egnis rnanu- 

 fadory, 24^. 



FiordiPerficO) or Perfechino axtico, marble, 21 6. 

 S. Fiore (Montagna) volcanic, 242. 

 Fiorito antico, marble, 216. 



Fijhes Jjying, and BraJHiatt ones, petrified in monte Solca, 21. " 

 petrified in white argillaceous flate, at Pappenheim, Scap- 

 pezano, Mondolib, and mount Liban, 311, 



Pi/urti, 



