7926 



TYPE AMMONITES— VI 



DCLXVI 



FlK. 



Fig. I 



" Lytoceras cornucopia ; B. Thompson, 1896, cit. spec. 



" Proc. Geol. Assoc, xiv, p. 426 ; near Woodford Halse, Northants 



" Up. Lias, Ceph. Bed inconstant, above Fish Bed ; B. Thompson Coll." 



S. 43, 42, c. 30, 33 ; 79, 47, 36, 28 ; 116, 46, 35, 32 



Granulate ribs distant ; SI. wide-spreading 



ORCHOLYTOCERAS METORCHION, nov. 

 Harpoceratan, metorchion ; Genotype, Holotype. Cf. CDXL 



