Foreign Literature and Science. 271 
lect from the bottom some stones, which were only si- 
liceous tufa, of which the silex is in actual solution in the 
waters of the spring. If a stone be thrown into the funnel it 
produces an explosion. 
In the middle of one of the nights which he passed near 
the Geyser, the traveller was awakened by a noise similar 
to thatofthunder. He rushed from his tent, and saw the 
waters of the Stroch projected to such a height, that the 
smoke of the boiling water seemed to reach the skies ; 
whilst in the midst of terrible explosions, the grand Geyser 
displayed most magnificently its co mountain of va- 
pour. The brightness of the moon and the first rays of Au- 
rora enlightened on each side, the waving clouds formed by 
this watery volcano. In his enthusiam Professor Menge con- 
gratulated himselfin having been a witness to the first spec- 
tacle which in his opinion nature can offer to the view of 
mortals. 
2. M. Gaus, of Gottingen, an eminent Geometrician has 
been elected a foreign associate of the French Academy, in 
the room of Sir Joseph Banks. 
3. Lava.—Dr. Gmelin, of Tubingen,bas found in clinkstone 
lava, (which includes the narolite or mesotype,) a certain 
quantity of ammonia, which is disengaged by distillation. 
He has also met with it in columnar basalt. It would be ex- 
tremely interesting to be able to prove that lava contains an 
animal substance. 
4. Seulpture-—The celebrated Canova has proved, by 
his sculpture of the two lions which ornament the mausole- 
um of Pope Clement XIII. in the church of St. Peter, that 
his talent is equally adapted to all sorts of composition. 
few years since he made the model of a horse of a colossal 
size. This work, which presented a crowd of difficulties, 
was much admired by connoisseurs. It was cast in bronze 
will be connected with the former. Both of them will or- 
nament the grand place of the magnificent temple of St. — 
