770 



MEMOIRS NATIONAL ACADEMY OF SCIENCES. [vol.xv. 



Table 313. — Per cent distribution of alpha scores. Colored draft, North (Group V), of different schooling. 



Table 314. — Per cent distribution of beta scores. Colored draft, North (Group V), of different schooling. 



Table 315. — Per cent distribution of alpha scores. Colored draft, South (Group IV) of different schooling. 



