1927 



TYPE AMMONITES— VI 



DViA 



Ammonites discus 

 Blackthorn Hill, (Qy. N. of Bicester-Aylesbury Road) 

 Bicester, Oxen ; Lower Cornbrash ; S.B. Coll. 4117, purch. 

 S. 53, 58, c. 26, c. 6-6 ; no, 58, c. 23, 4'5 [o ?] ; max. 170+ 

 Without test. Li more projected than in DVI 



CLYDONICERAS DISCUS, J. Sowerby sp. 1812 

 Clydoniceratan, discus. Cf. D & Vol. v, 29 



