1919 



YORKSHIRE I'YPE AMMONITES— II 



CXXIa 



I'lg. 1 



Fig. i 



Ammonites loncevus, Bean (Leckenby) 1859 



Sedgwick Museum, Cambridge (Leckenby Coll.) Lectotype 



Fig. 1, Side view ; Fig. 2, Peripheral view 



LONG^VICERAS LONGiEVUM, Bean sp. 



