Inflammables. 221 



nitre, and therefore too gr. of it contain nearly 

 90 of phlogifton ; by diftillation it affords a 

 fmall quantity of water, an oil of the nature 

 of petrol, and a peculiar acid called the fuc- 

 cinous acid, btockar, p. i , n, 17, &c. Ac- 

 cording to Baumer Reg. Men. 22. loo gr. of 

 amber afford about 72 of petrol, and 4,5 of 

 fait, that is, fuccinous acid; the remainder 

 was fixed, or water. 



It is found in mafles of different fizes in 

 feveral pits in Germany, particularly in 

 PruJJia, but the beft fort is that which is 

 taken out of, or caft on fhore by the fea. Ac- 

 cording to Mr. Scheele amber yields by diflil- 

 .lation an aqueous acid, which poffefles all the 

 properties of vinegar ; if fo, it is probably of 

 vegetable origin. Scheff. Forlef. . 68. i 

 Anmerk. 



Ambergris, Ambra. 



This is a grey, brown, yellowifh, black or 

 brown fubftance, of the confiftence of wax, 

 and an agreeable fmell, lighter than water, 

 and eafily inflammable, caft up by the fea on 

 the coafts of Madagafcar^ Coromandel^ &c. but 

 as Dr. Sivediar has lately proved it to be of 

 animal origin, I fhall take no further notice 

 of it. 



