OTTPPY- — EARTHQUAKE. 
3 7 
in a line nearly North and South. Although the movement 
was so slight that no article on the table by my side was 
disturbed, there was a most distinct rumbling noise which 
seemed simultaneous with the passing of the wave. The 
shock took place at 5.37 p.m., as nearly as I could ascertain. 
Mr.' Lechmere Guppy communicated an abstract of a 
paper published in the c ‘ Annals and Magazine of Natural 
History,” by Professor Karston, “ On Bhynchoprion pene- 
trans .” 
Tuesday, 13^ No vernier, 1863. 
The Association met at Mr. Lambert’s house, Edward 
Street. 
The Hon. Hexry Stuart Mitchell, M.D., Ph. D., 
President, in the Chair. 
The following Visitor was introduced r— Mr. Goring, by 
Mr. Prestoe. 
The following communication was read : — 
On the Petroleum or te Green-Tar ” and the “ Manjack” of 
Barbados. 
By the Hon. Francis Goding, M.D., Corresponding Mem- 
ber of the Scientific Association of Trinidad. 
. Looking to the recent experiments of Mr. C. J. Kich- 
ardson at Woolwich Dockyard, and his very successful 
results in generating steam for machinery by the employ- 
ment of Petroleum in lieu of coal, and also to the grave 
question lately agitated as to the future supply of the latter 
fuel from the Coal-fields of Great Britain, the mineral pro- 
ducts of Trinidad and Barbados allied to Petroleum, sud- 
denly start up into significance beyond our ordinary esti- 
