1922 



TYPE AMMOMTES—IV 



CCCXLVa 



X o 65 



Ammonites humphriesianus, crassicosta 

 [Sandford Lane], near Sherborne, Dorset ;" S.B. Coll. 1239 

 S. 116, 32, 42, 46 ; 30 ribs ; 186, zS, 32, 50-5 ; 34 ribs ; max. 189 

 A coronate becoming planulate, loss of spines 



KUMATOSTEPHANUS KUMATERUS, xov. 

 Sonninian, Labyrinthoceras, Genotype, Holotvpe 



