Hatai, Nervous System of Albino Rats. 155 



are compared with the growth of the entire body the growth 

 of the stunted rats may be considered just as normal as that of 

 the controls. 



The stunted rats were made the subject of tests, by Mr. John 

 W. Hayes, fellow of psychology in the University of Chicago, to 

 determine whether their behavior was modified by their arrested 

 growth, and the results will be published by him later. 



