Numerous studies have been conducted about the comparative weight of white and negro brains with results that fell within the range of about an 8-12 percent lower weight for the negro brain. Such studies have been conducted by Bean, Pearl, Vint, Tilney, Gordon, Todd, and others. In addition to the difference in brain weight, the negro brain grows less after puberty than the white. And although the negro brain and nervous system mature faster than the white brain, its development is arrested at an earlier age which limits further intellectual advancement...