FIGURE 52. SECTION SHOWING THE POSITION OF THE BLOCK IN FIGURE 51.
FIGURE 53. SECTION THROUGH CANAAN AND RICHMOND VALLEYS AT A TIME WHEN THEY WERE MARINE CHANNELS.
FIGURE 54. UPPER SURFACE OF BRAIN OF CHIMPANZEE, DISTORTED.
FIGURE 55. SIDE VIEW OF BRAIN OF CHIMPANZEE, DISTORTED.
FIGURE 56. CORRECT SIDE VIEW OF CHIMPANZEE'S BRAIN.
FIGURE 57. CORRECT VIEW OF UPPER SURFACE OF CHIMPANZEE'S BRAIN.
FIGURE 58. SIDE VIEW OF HUMAN BRAIN.
