1809] 
have formed an establishment at Stony- 
hurst, in. Lancashire, where they are 
making a laudable attempt to introduce 
the sciences, im their improved staie, 
into their common course of education. 
As a first. step, a handsome roum fora 
Irbrary, and another for a mathematical 
apparatus have; beew built; to which it 
is intended to add a chemical laboratory 
as soon as possible, [t is not doubted 
that they will svon be enabled not only 
to finish the eréction of their building, 
but to procure the books: and instru- 
ments necessary for the completion of 
their undertaking; a very liberal sub- 
scription having been procured among 
the friends to their establishment. : 
FRANCE, 
M. Vavaurtin has examined’ the 
root of a species of polypody, known by 
the appellation of calaguala, Of the 
substances which compose it, only those 
soluble in aleohol and water are capable 
of producing any effect on the animal 
economy. These are saccharine mat- 
ter, mucilage, muriate of potash and 
resin, which Jast he conjectures would: 
be mina to destroy the tape-worm, He 
has likewise made similar experiments 
on the roots of the common polypody 
and nialé fern, and obtained from them 
precisely similar principles and nearly 
in the same proportions as from the 
calaguala, The former roots, however, 
contaii a’ small quantity of taints 
Thus the analogy of organization, which 
led Jussieu and Richard to conclude, 
that the medicinal virtues of the cala- 
guala-root must be similar to those of 
other ferns, is fully confirmed by che- 
mical analysis. 
~The following method of making ar- 
tea stone 1D “the vicinity of Packie 
has been published by M. Bertrand :— 
The niaterials employed for this purpose 
are the ruins of the citadel, consisting 
of lime, bricks, and sand. These are 
broken to pieces by means of a mill 
farmed of two stone wheels following 
each other and drawn by a horse. Wa- 
ter is added, and the matter when well 
ground is reddish. This is put ito a 
trough and kept soft by means of water. 
When the trough is full, some lime is 
burned and slaked by leaving it exposed 
to the air, and this isemixed im the pro- 
portion of one-eighth with the above - 
cement. A wooden mould .is laid on the 
stone, and after a thin Jayer of sand has 
been thrown on the latter to prevent 
the adhesion of the cement, a layer of 
cement is poured in, and on ‘this a layer 
Literary and Philosophical Intelligence. 
‘OX, the urus of the ancient 
601 
of bricks broken into acute-angled frage 
ments. Thus cwo other strata are put 
in before the last which is of pure ces 
ment. The mould being removed, the 
stones thas formed are laid in heaps to 
dry. The lime. being very: greedy ‘of 
water, aud quickly becoming solid, these 
stones ‘are not long in forming a hard 
body fit for building, 
M. Braconnor has analysed some 
fossil horns of an extraordinary size 
found in an excavation’ at-St. Martin, 
near Commercy. He supposes them 
to have been the horns of ‘the great wild 
s, and aurochs 
of the Germans. From *one hundred 
parts he obtained «phosphate of lime, 
composed of 
‘Lime ms Ue) lg tt peal 
Phosphoric oid - cao 69.3 
W ater - = «= Ae Ba ae ie ges tide 
Solid Gelatine - eee AG 
CarbonateofLime - - - 45 
Bituminous: Matter’ - - = 4.4 
Ferriferous Quartz Sand =~. 9 4, 
Phosphate of Magnesia - = 1. 
AlummeaGasiG oss eikee TORR 
Oxide of Iron - =" = = = © 0:5 
According to a report made to the Na-' 
tional Institute, M. Dourovureéerats, 
optician to the Emperor Napoleon, has 
produced a ponderous flint glass, ine’ 
tended for the manufacture of achro- 
matic glasses, in which he has attainegt' 
the highest degree of perfection ever 
attaitied by those of English manufac. 
ture. The glass made by him is heavier? 
than Aint-glass ; its specific gravity being: 
5,588, w bile the heaviest ‘lint-glass is” 
only 3,529. ° i) 
GERMANY: 
Dr. Jann, of Berlin, has Jately des 
scribed: and asc an oriental | tur=* 
quoise from Visiapour, near Khorasan, 
which he found to-contain‘—= + - ! 
Alumine -.- + -°= 78. 
Oxide of copper'- = = 4.5 
Water bs ore i sue) 18. 
—_— 
ran 
This resnit verifies that obtained by 
Lewitz, and proves the existence of twa’ 
distinct: Species of the turquoise. 
Dr. Jahn likewise conceives ‘that: he. 
has tound a new volatile and acidifiable: 
metal dn the grey ore of manganese from: 
Saxonye') Hevobtained:) it Eby distilling: . 
the 
Droin: a= ate rows “ 
99.5 wt 
