134 The American Geologist. March, 2a 
But Roemer’s American studies were by no means confined 
to Texas. In 1860 he published “Die Silurische Fauna des 
Westlichen Tennessee; eine Palaeontologische Monographie,” 
with five plates. 
In June, 1848, he became Privat Docent in mineralogy and 
paleontology at Bonn. That his studies in Texas were still 
uppermost in thought is apparent from the title of his proba- 
tionary discourse, “Eine iibersichliche Darstellung der Geog- 
nostischen Verhiltnisse von Texas.” His natural gifts as a 
teacher rendered possible, in 1855, the call to an ordinary pro- 
fessorship in the University at Breslau, in connection with 
which he became director of the mineralogical cabinet. Here 
he found a few minerals, scarcely sufficient to meet the needs 
of instruction in a realschule, stored away in most inaccessible 
quarters. At once he determined to undertake the laborious 
task of making a great collection. How well he succeeded is 
shown by the fact that he left to his successor one of the rich- 
est and best arranged collections of minerals and fossils in any 
of the Prussian universities. 
In 1861, to the great satisfaction of his colleagues and 
friends, he declined a flattering call to Gottingen. Five years 
later, in 1866, his fidelity and labor were rewarded by the re- 
moval of his collections into a new and commodious building, 
erected largely after his own plans, on the Oder between 
Schuhbriticke and Universitatsplatz. In arranging the collec- 
tions in their new appartments Dr. Roemer was ably assisted 
by Oberbergrath Martin Websky, who under his influence soon 
resolved to devote himself entirely to science, becoming first 
extraordinary professor at Breslau and later the successor of 
Gustav Rose at Berlin. It was not a small matter to have 
discovered such a man. But his influence with his students 
~vas also great, for on the list of those, who, under the inspira- 
tion of his teaching, took upon themselves science as a life 
work we find such names as H. Credner, W. Dames, Kk. Hintze, 
Cl. Schtiter, Th. Liebisch, H. Eck, K. von Seeback, T. Tietze, 
and others who have gained recognition in the learned world. 
Indeed, no better evidence of his unusual power as a teacher is 
needed. Says one of his students: “His love of teaching, his 
ready utterance, his kindly care for his pupils remained un- 
changed to the end. When well advanced in years he taught 
