1921 



TYPE AMMONITES— III 



CCLVI b 



Fig. I, X 0-32 



Fig. 2, X 0-23 



Fig. 3, X 0-87 



Ammonitf.s gigantf.us, J. Sowfrp.y, 1816, Chorotypc 



Portland Stone, [" The Hard Lime or Blue Bed " 



The 4th Bed down in the " Creamy Limestones "" 



S.B. Coll. 2957 ; Fig. 3, EL, Li, L2 about equal length 



GTGANTITES GIGANTEUS, J. Sowkrby sp. 

 Portlandian, Gigantitcs ; Genotype 



