1913 



YORKSHIRE TYPE AMMONITES— II 



LXX 



Fig. i 



Fig. 2 



Ammonites gubernator, Bean-Simpson, 1843 



Whitby Museum, No. 69, Holot^ype 



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



PLEUROLYTOCERAS GUBERNATOR, Bean-Simpson sp. 



