4 Prof. Cotta’s Eulogy on Von Buch. 
where a cheerful shaper establishment surrounded the worker, 
with nothing however of that luxury which might have been 
expected from a man ik his rank and opulence. The faithful 
Mrs. Baumgarten—known to almost every geologist—had been 
for more than twenty years his only attendant; and it very often 
happened that he himself opened the door to the one who rang. 
ere it a stranger who then had come, and asked, “Is Mr. v. Buch 
at home ?”—he received an answer according to circumstances— 
“T will see’”’—or, ‘“‘ what do yon wish of him”—or, * No.” Evena 
well known ete ae he sometimes also asked, “To whom 
do you come? r, began immediately even in the partal the con- 
Suasaiinemieia's with a question—on some determiuate sci- 
entific subject. Once, while I was engaged in the geological 
survey of Thuringia, and visited him, he asked, even in the 
house-door, “ Now does Ammonites semipartitus occur also in 
Eichsfeld ?” 
I have purposely made mention of these apparently insignifi- 
cant circumstances, because they characterize the man, and be- 
cause the last especially, shows the great activity of his mind, 
which, in moments of the greatest surprise, forthwith and omit- 
ting sit introductory phrase, began at ounce at the very heart 
of the subject—at all times interesting to the new comer. How- 
ever, a 2 shall soon have occasion to speak of many peculiarities 
which not a little characterized the departed. 
Permit me next to cast a glauce at what science has. gained 
from his life and genius. It would engage our attention for 
indebted to him, who also in the departments of natural science 
as elsewhere, has given manifold proofs of a geniug deep search- 
ing into the very heart of things. Tor it is especially character- 
istic of his labors, that he never lingered over trivialities, but 
knew how to discern at a glatice the essential from the unessen- 
tial, to render the characteristic distinctly characteristic, and to 
seek out the true connection of phenomena. It is less difficult 
even for an acknowledged obtuser mind, to make numerous and 
accurate observations, than through these to discern the legiti- 
mate in nature. This latter gil, paneer was lent to L. v. Buch 
in a degree possessed only by t 
The copiousness of his dee however, will make it ne- 
cessary for me to limit ores at this time, to those alone, which 
appear the most importan 
He it was who first of all in Germany proved with precision that 
the disturbance of the — relations in the deposition of strata 
cannot be explained alone by events on the surface, but that 
these have had in an cases a deep seated subterranean, plutonic 
or volcanic origin. e showed by little and little that not only 
the basalt, but “also Pig other crystalline massive rocks have been 
