1927 



TYPE AMMONITES— VII DCCXLVII d 



\.s. 



Fig- 3 



Fig. 2 



Fig. 4 



Fig. i 



" Ammonites " variocostatus 



" Bedford " ; S.B. Coll. 4735 ; Figs. 2-4, septal degeneration 



SI. 43. 93, 72, N. 81 ; 62, 53, c. 47, N. 57 



Primary divide into 2 and frequently 3 on venter 



DICHOTOMOCERAS STRUMATUM, nov. 

 Prionodoceratan, dichotomum ; Holotype. See CXXXIX 



