1927 



TYPE AMMONITES— VII 



DCCXXXVI b 



Fig. 2 



Fig. i 



N.S. 



" Perisphinctes martelli " 



Headington ; S.B. Coll. 4289 ; SI. 60, 74, 72, N. c. 72 



S. 293, 22, 34 (25), 60 ; 387, 22, c. 30, 60 ; max. 390 



End of body-ch.. hollows till up, ribs decrease much in size 



MARTELLICERAS ORIENTALE, Siemiradzki, 1899, 259 

 Perisphinctean, biplex {martelli). Cf. DCCXIV 



