The American Midland Naturalist 
PUBLISHED BI-MONTHLY BY THE UNIVERSITY 
OF NOTRE DAME, NOTRE DAME, INDIANA. 
Vol. I. FEBRUARY, 1910. No. 6,+ 
An ENT Study of Faunal Changes in Indiana. 
WALTER L. HAHN, 
is a matter of common knowledge that the fauna and 
flora of the Central States have changed greatly during the 
last century. The changes in Indiana have been as 
to incidentally or discussed at some le math in various pum 
saa extensive analysis of them has not been published pl 
"The greatest obstacle to such an analysis is ls; lack x 
positive information as to the former abundance of most 
Species. From local histories, tales of Hom coim reminis- 
cences of *oldest inhabitants," and the like we can obtain a 
and animals and even the larger fishes. But our knowledge 
of the former abundance of the native mice, the chipmunks, 
e less conspicuous birds, the smaller fishes, and more par- 
Lony of the mollusks, crustaceans, insects and other small 
creatures, is necessarily very limited. In some instances, de- 
ductions can be drawn 2 ies position the species occupies 
in the general are of n 
st e of this antes to collate and discuss the 
data that are avaliable on the subject. The facts to be consid- 
ered may be grouped under the following heads: 
e extermination of the bison at about the time 
white settlers became numerous. 
The extermination of the beaver, Seer and wapiti 
not long ice the dlls of the biso 
* Butlér, Bulletin Brookville Soc. Natural History, No. 1, 1885, pp. 
5-13. Proc. Ind. Academy of Science, 1895, pp. 31-42, Culbertson, Proc. 
Ind. Academy Science, 1908, pp. 27-37. Hahn, vd Ann. Rep't. Dep't. 
Geology and Nat. Resources of Indiana, pp. 418-6 
T February 15, 1910.—Pages 145 to 164. ` 
