GEOLOGICAL 
AND 
MINERALOGICAL SPECIMENS. 
- KRANTZ, of Berlin, Prussia, begs ae to inform the scientific — 
tions and private collectors in this country, that eeps constantly on e 
= stock of minerals, fossils and rock-specime og enabling him to seuihas u 
private cultivators of the mineralogical and oeeeet sciences among its custom- 
ers ing twenty years, kept pace with oo rapid progress of 
these branches of human knowledge; its travelers are constantly ‘en route’’ in 
all countries of Europe (one of them is now in the United States) and all efforts 
to secure the acquisition of every thing new or interesting to collectors. 
latest date with its ree recent discoveries. ‘ esides this standard collection, oth- 
lesirable extent, and arranged in one) snot system, can be fir : 
ty at m7 ete as the "adj oined catalogs es t 
arvignetion of minerals, color, e, lustre, composition, etc., etc. pilcenas 
: useful. Seale of hardness, ontins iaree C. 
> abinets m — in Farry oper mahogany cases with drawers, joa vnind ich 
r case not larger than t et long by about one foot j in depth and breadth, gon one, 
j but very characteristic specimens, (price er 0 
Cabinet. ild 
) Minerals s for Chemists, for the kage, % i chemical sohelanas 
exercise of students in analyzin nium, Wolfra am, Tellaiom, 
. tanium, Mellite, ete., = the lowest pri 1 Ssanemd’d are provi with | 
3 Ba od labels, in English, German and Fr 
: Orders for minerals and wakspoiailll should ia mention the size desired. — 
Fossils.—The number of species of il : ins, amounts to 
permits, an 
the characteristic she 
name ; Bi collections are generally arran 
cial purposes zoological 
aske 
talogue eicine rices of casts of rare and interesting 
aihabel the original and forming a valuable 
n is s particularly called to Mr. K.’s ei aa 
fw. "Sek in some pieces for beauty and completen 
ms of Euro; 
from : — fishes and Crinoidea of the same and 
uf 1 
one eciaad or varieties “Of ‘rock-specimens are on hand, forming 
rima’ sedimentary rocks which form the known 
specimens of ety eae are of the’ same size 
of countries interesting to geologists, such as 
PSs Italy, Hungary, Ramee and Sweden, 
