GEOLOGICAL AND NATURAL HISTORY SURVEY OF MINNESOTA 

 HENRY F. NACHTRIEB STATE ZOOLOGIST 



The Collembola of 

 Minnesota 



BY 



JOSEPH E. GUTHRIE M. S, 



ZOOLOGICAL SERIES IV 



EDITED BY 



HENRY F. NACHTRIEB 



MARCH 1903 

 MINNEAPOLIS MINNESOTA 



I 



