UPPER LIAS CEPHALOPODA. 
Fig. 70. Fig. 71. 
Fig. 74. 
Fig. 72. 
Fig. 75. 
FIG. 70. Ammonites serpentinus, Rein. . 
.,71. cornucopia, Y. and B. 
72. fibnlntiu, Sow. ^.' 
FIG. 7:?. Ammonites communis, Sow. 
74. ' bifrons, Brug. .V. 
, 75. *foy<w*,Y'.ftndB. 
