ADVERTISEMENTS. 
3 
Netv Issue of 
CHEAP rOPULAR SCIENTIFIC DIAGRAMS. 
The valuable and instructive Diagram, No. VI., of 
FLINT IMPLEMENTS PROM 
THE DRIFT, 
Will be Issued to all 
SUBSCEIBEES TO THE "GEOLOGIST," 
At the Price of 
ONE SHILLING, 
(Price to the Public Two Shillings and Sixpence.) 
Either Direct or through their Booksellers. 
An EXPLANATORY ARTICLE will be printed in the November number of the 
" GEOLOGIST." 
FIRST CLASS 
LITHOGRAPHIC WORK 
OF UNUSUAL SIZE 
Can be Executed at the 
"GEOLOGIST" OFFICE, 
22, SOUTHAMPTON - STREET, STRAND, 
By the Large Press Manufactured for these Diagrams. 
MINERALOGY. — King's College, London. — Professor Tennant, F.G.S., will 
commence a coxirse of Lectures on Mineralogy, with a view to facilitate the 
study of Oeolof/y,, and of the application of Mineral Substances in the Arts. 
The Lectures will begin on Friday, October 5th, at Nine O'CIock, a.m. They 
will be continued on each succeeding Wednesday and Friday at the same hour. 
Fee £2 2s. R. W. JELP, D.D., Principal. 
