1911 



YORKSHIRE TYPE AMMONITES 



XXViA 



Fig. I 



Fig 2 



Fig- 3 



Fig. la 



Ammonites figulints, Simpson, 1855 



Whitby Museum, No. 115, Holotype 



Figs. I, la, Side views ; Fig. 2, Apertural view ; Fig. 3, Perijiheral view 



OISTOCERAS FIGULINUM, Simpson sp. 



