OF FOSSILS. 



fily obtains in the clafs of falts t as to all the fpc- 

 dcs pcrfin'lly faturated, That earthy and me- 

 tallic falls oui.',ht to he arranged under the head 

 of their mcnilrua, \vc have fecn in j 70. ; but, 

 with rcfpeft to the perfect neutral falls, it is not 

 fo clear, 68. It feems indeed more conveni- 

 ent to refer them to the genera of their feverai 

 bafcs ; and in this way alfo 1 -have proceeded. 

 But we fliall have more agreement with the a- 

 nalogical falts, moft of u Inch are properly af- 

 figncd to the acid, if the neutral falls are fub- 

 jccled to the fame arrangement. According to 

 this iiK-thod we (hall have names fiulkientiy apt 

 by combining the acid with the adjedivc of the 

 balls. As lor example, 



ir . ,. . ^ (Tartarus vitrio- 



Vitnolicum potalTmatum, for< j atuin 



XT . r \ Nit rum cubi- 



ISitrofum natratum, < 



., . . C Sal ammonia- 



Munaticum ammomacum, < cus 



, C Terra foliata 



Acctum potafunatum, < t'irtari 



Vitriolicum calcarcatum, Gypfum. 



r C Sal catharticus 

 magncfiatum, - amarus ^ 



argillatum, Alumen. 



XT-* r t ^ Barytes nitra- 



Nitrofumbarytatum, < ' 



... C Calcarcum ni- 

 argillatum, - Uatum< 



m* . . r S Barytes muri- 



Munaticum barytatum, 6tc. < a ^ cus 



U 3 Metallic 



