tff alum* 2 of carbon, i± of oxyde of iron, 20 of 

 carbonic dcid, 14 of the water of cryftalliza(ion, 

 emitting the fmell of bitter-almonds, and 24 of 

 eiher ; with ^ frhall pdrti'on of the benzoic acid. 

 If^cBrifeqiieWe ofthe t iirc6ihbUftibiIity of the ho- 

 dey-ttdft^ He prdpofes' to exclude it from uhe 

 clafs of combuftible bodies, and Xo place it among, 

 that of alurriinous earth sY v 



b. Common Amber is found in feyeral countries 

 fcf Europe beneath the fiirface of the earth, among 

 clay, fanfl/'Arid' flie'irori bog ore, but rribft aBuh- 

 dantly in the fea, and particularly on the ihore.of 

 the Baltic j? found in .maffes, irregular, transparent 

 or opaque, of a white, yellow, or brown colour ; 

 fed and green amber being fcarce. Taftelefs ; of 

 a faint odour when rubbed, and becomes eleftric j 

 infoluble in water, 



c. Mineral tallow, or mumiaj 



fcurfd? Jft'i^ft, in the 1 Tea, on the coaft of Fin- 

 land ; alfo in fome rocky parts of Perfia, mixed 

 with petroleum. It is perfectly white, of the confid- 

 ence of tallbw, out more brittle though as greafy ; 

 it burns with a blue flame, and a fmell of greafe, 

 leaving a black vifcid matter, which is more dif- 

 ficultly confirmed. 



D. SULPHUR is a fimple body, which, during 

 combuftion, or, in other words, during it's combi- 

 nation with oxygen, produces fulphuric acid. 

 Sulphur is found near the craters of volcanos, 

 and the fources of fome mineral waters. 



Z a. Common 



