CLASS III. INFLAMMABLES. 
73. Turfa. 
74- Bitumen. 
7S‘ Mellites, 
7^. SUCCINUM,. 
77*. Am BRA,. 
78. Graphites. 
79* Sulphur. 
Confiding of vegetable fibres interwoven to- 
gether and penetrated with bitumen. 
Giving out a faint difagreeable fmell when 
burnt. 
Of a honey-yellow colour, in the form of 
fmall 8-lided cryftals. 
Melting with difficulty, and emitting an 
agreeable fmell during ignition, becoming 
eleftric by friftion or heat. 
Softening and melting like wax in a gentle 
heat, and emitting a ftrong agreeable fmell 
when warm, not becoming eleanc. 
Burning with difficulty, but mixed with foda 
emitting reddifh flames and fparks, ftain- 
ing the fingers black. 
Burning with pale blue flames, and emitting 
during combultion ftrong fuffocating pecu- 
liar fumes. 
Ff 2 
