PLATE 7 
EXPLANATION OF FIGURES 
62 to 65 A series of four sections from specimen No. 290; all X 46. 
62 Taken through plane a to b, figure 2. 
63 Taken through plane c to d, figure 2. 
64 Taken through plane e to f, figure 2. 
65 Taken through plane g to h, figure 2. 
674 
