THE GEOLOGIST. 
sketch C D. 'Now, it is xjlain, from a mere inspection of the longitu- 
Lign 3., Longitudinal Section on C D. 
dinal section C D, that the rain falling on the country between H and 
K will percolate through the soil and fissures of the rocks until it 
meets an impervious bed, along which it will run, and issue at the 
outcrop as a spring, as shown in the cut. This bed being cut through by 
the railway-works, the water was intercepted and carried into the 
tunnel, drying up the spring ; a prediction that was verified by the fact. 
I have been informed that the pumping of the water alone, out of the 
tunnel, during the construction of the works, cost the contractor nearly 
as much as all the other works relating thereto put together. 
ABSTRACT FROM MM. VON" HAUER'S AND HORNES' REPORT 
CONCERNING THE ERECTION OF THE MONUMENTAL 
BLOCK m COMMEMORATION OF LEOPOLD VON BUCH. 
Communicated by Count Maeshall, of Vienna. 
It will be remembered that, on the motion made by M. E. Ehrlich, 
Keeper of the Provincial Museum at Linz (September 20th, 1856), the 
section for Mineralogy, Geology, and Palasontology of the Congress of 
German Naturalists and Physicians, then meeting at Vienna, resolved 
by unanimous acclamation, that an erratic block of granite, situated 
near Losenstein, between Steyer and Wcyen (upper Austria) should be 
converted into a monument commemorative of the illustrious geologist, 
Leopold von Buch. In consequence of this resolution, MJI. von Hauer 
and Homes formed, with M. Ehrlich, an executive committee, opened 
a subscription with a maximum amount of five florins (about ten 
shillings) and took every measure to ensure the success of the enter- 
prise by enlisting contributions at home and abroad. L'he success 
proved to be beyond expectation. H.S.H. Archduke Stephau and the 
illustrious Baron de Humboldt expressed their assent in the most 
flattering terms ; Baron Schcucheustacl, at the head of the mining 
department in Austria, and Baron Bcust, occupying the same official 
station in the kingdom of Saxony, have been most active in promoting 
the subscription within their spheres. 
As soon as Sir Roderick I. Murchison had received notice of the 
project by a letter from Director Haidinger, he answered that, if the 
amount of the subscription should prove insufficient for the intended 
monument, he himself was ready to fill up the deficit from his own 
funds. The French Geological Society proved not less active in pro- 
