1921 



TYPE AMMONITES— III 



CCXX 



Fig. 2 



Fig. i 



x 125 



Ammonites robinsoni, Simpson, 1843, Holotypc 

 P. 42 ; " Robin Hood's Bay, Yorkshire ; lowest beds of lias " 



A cast of a bronze colour from a grey sandy matrix 

 Whitby Museum, No. 478 ; S. 24, 49, 23, 21. See PL CCXIX 



TRAGOPHYLLOCERAS ROBINSONI, Simpson sp. 

 Wessexian, ibex 



