430 , Scientific Intelligence. : 
to convert any soluble bi-carbonate of lime that may have been formed, 
into insoluble neutral carbonate, allowing repose, decanting or straining 
of the clear supernatant liquid from the. precipitated carbonate of lime, 
and she Rade 2 as before, if necessary, to drive off any ex- 
cess of w 
As ction fixed or injurious is employed in the process, the glyce- 
rin, thus prepared, sai “i triage pure. 
Baltimore, Md., Mar 
lil. Mrineratocy anp GeEooey. 
=1. Mineratocicat Notices, No. V. 
(1.) New Works. 
Das Krystallo-chemische Mineralsystem von Gustav Rose, 156 p 
8vo, with 10 wood-cuts. Leipzig, 1852.—A classified catalogue rot 
minerals, based on the system of Berzelius, with their chemical form- 
ulas, follows an introductory chapter of 16 pages. ‘The classification 
gy ee the following grand divisions, 
mple bodies : ‘with the subdivisions, (1) Tesseral, (2) Dimetric, 
(9 "phansbabedral, (4) Trimetric and Clinohedral. 
; . Compoun nds of Antimony, Arsenic, Tellurium, Sulphur and Se- 
enium 
if. Compounds of Chlorine, Fluorine, Bromine and Iodin 
their system of sealalesile 
Elemente der Mi ee von Carl Friepertca Naumann, Professor 
an der Univ. Leipzig. 3d edit. 448 pp. 8vo, with 385 wo casa Leip- 
into mathematical formulas.” The icieel and chemical characte 
and classification of minerals occupy the next 90 pages, and are t reated 
with Any uch detail and system. In his classification of species, W 
enumerates and describes 643 species of minerals, giving the erystal- 
lography and chemical characters of pene briefly but. with precision, 
and mentioning the prominent localitie 
