1927 



TYPE AMMONITES— VI 



DCXXXIX D 



Fig 2 



F'g- 3 



Ammonites uotundus 

 Chapmans Pool, Isle of Purbeck, Dorset 

 Kimmeridge Clay [Nodule Bed] ; S.B. Coll. 4366, pres. Miss E. R. Thompson 

 S. (185, 26, 35-5, ~, est.) ; width to height, 136 : 100 ; SI. 47, 64, 62, 38 

 Fig. 2, note effect of foreshortening on inner lobule of Li 



LYDISTRATITES GIBBOSUS, S. Buckman, 1926 

 Paravirgatitan, lyditicus ; Paratype. See CCCLIIl 



