THE AMERICAN 



MIDLAND NATURALIST 



DEVOTED TO NATURAL HISTORY, PRIMARILY 

 THAT OF THE PRAIRIE STATES 



JULIUS A. NIEUWLAND, C. S. C, PH. D.. Sc. D. 

 EDITOR 



VOLUME V. 1917-1918 



# 292*fii K 



^VAL MUS^ 



UNIVERSITY OF NOTRE DAME 



NOTRE DAME, INDIANA 



