Foreign Literature and Science. 199 
would not admit’ of dissections, and especially to persons 
who ‘have a natural repugnance to these operations. — 
46. Schools of Mutual Instruction —This system contin- 
ues'to spread rapidly in almost every part of Europe, In 
Italy, Spain, Portugal, and especially im France, it is mak- 
ing a most encouraging progress. — The society of Paris is 
active in its exertions. Agreeably to the statements pre- 
sented to that society, there are now in the single department 
of Seine Infereure thirty schools in full activity, containing 
two thousand scholars, viz. within the district of Rouen eight 
schools, one of which is of girls ; Neufchatel five; Yacetot 
three ; Dieppe four ; Havre nine. This progress is due to 
the zeal and protection of the Baron Maonet. Dr. Hamel 
who has’been commissioned by the Emperor Alexander to 
travel over Europe, to examine all the schools of mutual in- 
struction, has remarked on the Register of that of Rouen, 
that it was one of the handsomest and best kept that he had 
ie visited. 
»47. Razors.—A paste or powder for Razor Strops, Yor? 
superior to Emery, plumbago and other things commonly 
used has’ been discovered in Paris by M. Merimée. It 1s 
the crystalized tritoxide of iron, called by mineralogists, 
Specular Oligiste Iron. Itis a mineral substance, but an 
artificial oxide of equal fitness for the purpose may be made 
thus.> Take-equal parts of sulphate of iron. (green coppe- 
ras) and common salt. Rub them well together, and heat 
the mixture to redness in a crucible. When the vapours 
have ceased to rise, let the mass cool, and wash it to remove 
the:salt, and when diffused in water, collect the brilliant mi- 
caceous scales which first subside. ‘These when spread up- 
on leather, soften the oes of a razor, and cause it to cut 
perfectly. ; 
48. Geneva-~Museum.—The halls of thi natural astablighy 
ment, due entirely to the patriotism of the Genevese, (which 
dates only a year since its commencement,) will soon be in- 
sufficient to contain the donations which are daily received. 
It has already been found necessary to construct an addi- 
tional hall for the reception of the black Elephant, killed at 
Geacya at the beginning of the year 1820. 
