1927 



TYPE AMMONITES— VII 



DCCXXXVIII 



Fig. i 



Fig. 2 



Stephanoceras commune 

 ' Byfield, [Northamptonshire] ; acutum layer on top of Marlstone 



" [Transition Bed (athleticum)] ; Mus. Pract. G. Coll. 38384 " 

 S. 285, 31, 26, 47 ; 42, 26, 21, 56 ; ribs 47 ; size c. 44 ; max. c. 55 



ORTHODACTYLITES MITIS, nov. 

 Harpoceratan, directus ; Holotype. See DCLIV 



