118 | Scientific Intelligence. 
M. Barrande points out the existence of what he calls colonies of se 
url 
. Barrande stated it as his belief, that the granites which surround 
the Bohemian Silurian basin are subsequent in age to the schistosé 
formations. 
kind of coal, splitting easily between the layers. Our specimen wa 
very tough and difficult to cut with a saw. ‘There was no. different? 
And upon considering it attentively it will be seen at once that ne? 
nothing more than an oblique rhomboidal prism of the common coal 
the mines, rounded somehow into a rough ball. So far, for the preset! 
as to its external characters. Soe 
I find its specific gravity to be 1°37.. The mean of 5 specimens | 
Burdwan Coal, according to Mr. Prinsep, is 1-365. I place here i 
analysis and the mean of the first six specimens in Mr. Prinsep’s table 
Mean of Burdwan ei 
Analysis of the Ball coal. Mr. Prinseps § 
Were & ep io fo ee ss 
Volatile matter, . 29-00 : é ‘ : . 356 
rbon, . . 57:00 . . * . bd 52'5 
O00: 6 pes, : 122 
100-00 
There was a slight excess in my analysis ; no doubt due to the pe 
oxydation of the iron. : 
5. Gold in Australia.—The gold region of New South Wales, sil” 
ated in the mountain south of west from Sydney, in the Bathurst Dis 
trict, appears from the reports still to promise well. From Sydney p® 
pers we learn that the existence of gold was first predicted by Rev. Ww. : 
Clarke, who has long been en in investigating the geology of ee 
country. His opinion was upon his knowledge of the charac, 
and position of the rocks, and he early recommended exploration 9 
ve | 
