National Geographic : 1931 Feb
A CAMEROUN PLANTER AND HIS DRILL This ape and its more spectacular relative, the mandrill, are confined to West Africa and are found in the largest groups in sections of the Cam eroun. The drill has a disposition as ugly as its face. A DRUMMER BOY OFDOUALA Not only are these instruments used tostimulate dancers and warriors, but also as an effective means ofcommunication. Messages may besent to great distances by this means. However, thecode iscarefully guarded.