1926 



TYPE AMMONITES— VI 



DCL 



Fig. 2 

 xo-73 



Fig. I 

 X 0-51 



DiCHOTOMOCERAS DICHOTOMUM 



Cf. T.A. iii, 1920, p. 10, Tab. ix, 9 & pp. 27, 28 ; Headington Quarry 



(Magd. Coll. Pit), Oxford; "well up in Bottom Course," workman 



Exogyra Bed merged in B.C. ? ; S.B. Coll. 3513 



S. 138, 29, 22, 45 ; 213, 35, 17, 54 ; SI. 39, — , 43+, N. 77 



DTCHOTOMOSPHINCTES ANTECEDENS, Salfeld sp. 1914 

 Perisphinctean, antecedens ; Genotype. Cf. CXXXIX 



