1923 



TYPE AMMOXITES^IV CCCLXXXIIIb 



Fig. I 



Fie 



" Perisphixctes ROTUNDUS " 



" Swindon, [Wiltshire" ; Portland Sands " ; [Seq. in, 12, p. 29' 



Geol. Surv. E. 45936, (Hudleston C.) ; EL, 66, Li, 60, L2, ^S, at 26'5mm. 



S. 57> 37. 43. 34 ; 96, 34-5, 44'5, 37'5 ; 3S ribs 



WHEATLEYITES OPULEXTUS, xov. 

 Paravirgatitan, Wheatleyitcs ; Paratype. See CCCLX\' 



