1923 



T YPE A MMOM TES—I V 



CDII A 



Fig. la 



Fig. 2a 



Fig. 2 

 Xo-83 



Fig. I 



Ammonites biplex 



Oakley, heap ot stones, 'ex Briir, Bucks ; hard, shelly, sUghtly glauconitic 



Portl. Stone (=Tab. ii, 14" ; S.B. Coll. 3221, pres. Mr. James Kirb\- 



S. 90, 40, 25, 30 ; 119, 30, 25, z^ 



Ribs c. 28 on flat side, bifurcate on edge of flat venter 



SIMOTOICHITES SIMUS, nov. 

 Behemothan, leptolobatus ; Genotype, Holotype. Cf. CCCLIII b 



