IXDIAXA UXR ERSITY SxUDlES 



Vol. V 



March, 1918 



STUDY No. 36 



AN EXPERIMENT TO TEST THE NATURE OF THE 

 VARIATIONS ON WHICH SELECTION ACTS. By 

 Fernandus Payne, Ph.D., Associate Professor of Zool- 

 ogy, Indiana University. 



This (the March) issue of the Indiana University Studies ivas 

 published in May. 



