1922 



TYPE AMMOMTES—IV 



CCLXXVII B 



Fig. 2 



Fijr. I 



Fig- 3 



A dysmorph contracticone 

 Bradford Abbas, Dorset, Inf. Ool., Foss. Bed "middle" 

 S.B. CoU. 3093 I S. iS-5, 36-5, 87, 36-5 ; 25, 28, 56, 44 



See CXL ; d, dysmorphy 



TRILOBITICERAS PLATYGASTER, xov. 

 Sonninian, Eudtmtoceras (Bajocian, discitcs) ; Paratype 



