PLATE 8 
EXPLANATION OF FIGURES 
66 to 69 A series of four sections from specimen No. 175; all X 56. 
66 Taken through plane a to 6, figure 29. 
67 Taken through plane c¢ to d, figure 29. 
68 Taken through plane e to f, figure 29. 
69 Taken through plane g to h, figure 29. 
676 
