Fig. 2.—Skull of a Man belonging to the Stone Age (the Borreby Skull).
Fig. 3.—Skull of the Gorilla.
Fig. 4.—Skull of the Orang-Outang.
Fig. 2.—Skull of a Man belonging to the Stone Age (the Borreby Skull).
Fig. 3.—Skull of the Gorilla.
Fig. 4.—Skull of the Orang-Outang.