3*8 IN D E X. 



Serpentlne-Jlont. 



3. Soap-ftone and Bacon-ftone, white and green, at 

 Impruneta, 277. 



4. Amianth, white and green, ibid. 275. 77. 



5. Calcareous fpar, ibid. 278. 



6. Fcld-fpath, 278. 

 See Polzevera. 



Granitone. 



Serpenfino nero anfico, black Porphyry, 225. 

 Scrra.0, at Naples, 104, 105. 

 Sette baji antico, marble, 218. 

 Selte fongi (monte) volcan. 53. 

 S.Severo (Prince) at Naples, in. 



Sicily, its inner parts and Natural Hiflory unknown, m. 

 Siena, 247. 



Silver ore in Lava, 65* 



Shells (microfcopic foffil and natural) new fpecies, 37, 

 Sfjfrl Rock, Bafaltes, a fpecies of, 148. 



* (Cryjlallizations) in the Lavas, by P. La Torre, erro- 



neouily called Marcalite, 122. 



' immediate productions of fire in frrrelted Laras, or other 



volcanic fubftances, 56. 145. 258. 



however found likewife in other matrices^ as in white 



Quartz, 7, 



. large fine grafs-green cryflals in forde di Corjica, 296. 



which is a filiceous ilone. 



brown and polygone, with Emerald cryflallizations in 



- Quartz, 317. 

 . - in Vefuvian calcareous fpar t 140. 



in Trapp,^. 226. 



in Granite, 228. 



in many volcanic productions, pajjlm. 



Ski* 



