148 Mr. Harenerr’s Odfervations on Bituminous Subflances. 
A, No. 3. 
Dark brown bitumen of a ftalaétitical form, hard, but in fome 
degree elaftic. 
) A, No. 4. 
Bitumen of a reddifh brown, in the form of globules, fome of 
which are elaftic, and others hard: on brownifh-grey limeftone, 
accompanied by cryftallized white fluor, dogtooth calcareous fpar, 
and pyrites in fmall cryftals, fome of which are on the furface of 
the globules of bitumen. 
A, No. 5 
The fame of a darker brown, of a ftalaétitical form, hard and 
brittle; on pale brown calcareous fpar, impregnated with bitu- 
men. 
A, No. 6. 
"Bitumen of adark reddifh brown, very hard; on pale brown {parry 
ftink-ftone, with grey limeftone, in which are fome coralloides, 
A, No. 7. 
Bitumen of a dark yellowith brown, elaftic, but very foft, fo fae 
it adheres to the fingers. 
A, No. 8. 
The fame thinly fpread over grey {parry ftink-ftone. 
A, No. 9. 
Bitumen of a brownifh olive colour, which becomes reddifh 
brown by the air, but when oppofed to the light it appears femi-: 
_tranfparent, 
