1922 



T YPE A MMOM 77: S-/ 1 ' 



CCCLIX 



I'ig. 2a 



Tig. I 



Fiff. 2 



Ammonites polvmorphus 



Burton Bradstock, Dorset : Inf. Oolite," Top of i?t bed 



O.J.G.S., LXVI, iQio, 65 ; S.B., ex Darell, Coll. 3836 



S. 26-5. 41, 45, 36; 43, 32-5, 31. 37: max. c. 52^ 



POLYSPHINXTITES REPLICTUS, nov. 

 Zigzagiceratan, zigzag ; Holotype. ?ee CCCXXII 



