1925 



TYPE AMMONITES— VI 



DCllI 



Fig. I 



Fig. 2 



Ammonites biplex 



Sandpit near smallpox Hospital, Moreton Farm, Thame, Oxon 



Hard layers of sandrock near top of Thame Sands 



S.B. Coll. 3997, pres. Mr. Dick Liddington 



S. 42, 38 ? 31, 36 ; 72, 30, 28, 43 ; c. 31 ribs 



P.\R.\VIRG.\T1TES INFREQUENS, NOV. 

 Paravirgatitan, paravirgatus ; Holotype. See CCCLXXXH 



