CODING — fETftOLElJ'jr. 
4S 
termediate states of coherency between a soft bitumen (an 
excellent varnisb) and a hard compact asphaltum, or bi- 
tuminous coal, which is sometimes used in conjunction 
with megass as a fuel in the furnaces. Mr. Andrew Fife, 
of Edinburgh, many years ago analysed some of the latter 
description of manjaek; and his results correspond with 
tho analysis subsequently made by Mr. Wm. Herepath of 
Bristol. According to the latter gentleman it contains in 
100 parts— 
Bitumen resolvable by heat into tar and gas . 61.6 
Coke 36.9 
Ashes . . . . . . . . .1.5 
Sulphur, none . . . . . « .... 
100 
He further adds : “X should think it could be advan- 
tageously employed in the production of gat } of which it 
would furnish a large quantity and of rich quality, even 
exceeding that of cannel coal, the best for that purpose 
hitherto known.” 
I have now, Gentlemen, laid before you some thoughts 
as they have presented themselves to my mind while re- 
flecting upon a great national question, and connecting with 
it our own mineral products as suggestive of further con- 
siderations. I have brought my grist to the mill, in the 
hope of our deriving mutual advantage from any labours 
which may continue to be bestowed on the subject. 
Mr. Lechmere Guppy stated that Dr. Goding had men- 
tioned the two formations which were exhibited in Barba- 
dos, ' namely, the Coral formation and the Scotland forma- 
tion. He would present a few remarks on the correlation 
