1921 



TYPE AMMONITES— III 



CCXV 



Fig. I 



Fig. ia 



Fig- 4 



Fig. 2 



Fig- 3 



A coronate Sph^roceratid 



Frogden Ouarry, Oborne, Dorset ; Inf. Ool., green-grained Marl 



(PJ.G.S.,~XLIX, 1893, 500, § xv, 9) ; S.B., ex Darell, Coll. 1228 



S' 30 r 5, 37, 87, 21 ; 45, 33. 71. 30 ; max. c. 55. Last s.l. black, fig. 4 



FROGDENITES SPINIGER, nov. 

 Bajocian. sauzei ; Genotype, Holotype 



