192H 



TYPE AMMONITES— VII 



DCCLXIIa 



x 056 



Ammonites birchi gigas, Quenstedt 

 (Amm. Schw. J., i, 1883, 137 ; xvm, 13) ; Lyme Regis, Dorset 



Lower lias, birchi bed ; S.B., ex T. Wright Coll., 4732 

 S. 135, 28, 33, 47*5 ; 191, 24, c. 25, 61 ; size c. 210 ; max. c. 250 



MICRODEROCERAS GIGAS, Quenstedt sp., 1883 

 Microderoceratan, birchi. Cf. DCCVI 



