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 /, figure 29. 



69 Taken through plane g to h, figure 29. 



676 



