1923 



TYPE AMMOMTES—IV 



CDIlB 



Fig. 2 



N.S. 



Fig. I 

 X 1-7 



Ammonites virgatus 



Long Crendon (X.W.), Bucks, in mouth of 3839^1, PI. CDI 



S.B. Coll. 38396 ; S. 16-5, 46, 24 ? 24 ; 29, 48, 24, 20 



Ribs c. 2^, mostly triplicate or perhaps more di\'ided 



SIMOTOICHITES SIMUS, xov. 

 Behemothan, leptolobatiis ; Paratype 



