C 32 } 



Implanted in it in fuch a manner that they 

 may be eafily detached without breaking, 

 leaving the exa6t impreffion of their figure 

 in the enamel. This enamel, which is 

 compa61:, heavy, and of a grey cinereous 

 colour, is found in detached pieces, both in 

 the road and in the tufa ; and is the firft 

 production which prefents itfelf, after leav- 

 ing the city to proceed towards the ftoves. 



Continuing our journey ftill further along 

 this road, we find in it, and likewife within 

 the tufa, very curious mixtures of a white 

 argillaceous earth and black enamel ; both 

 of which are fo mingled and kneaded toge- 

 ther, that we can fcarcely find a quantity of 

 this earth of the fize of a pea, which does not 

 contain feveral particles of this enamel ; and 

 very few, indeed, are the pieces of enamel 

 that contain none of this earth. It has an 

 earthy odour, and adheres to the tongue. 



In the fame fituations where this peculiar 

 mixture is found, we likewife meet with an 

 enamel containing garnets, fimilar to thofe 



above 



