1919 



TYPE AMMONITES— III 



CXLII 



Fig. i x 1.5 



Fig. 2 



Fig. 3 

 x 2 



Fig- 4 



Fig- 5X4 



Ammonites ferrugineus, Simpson 1855, Holotype 



Pp. 78, 79; Amauroceras, S. B., Y.T.A., II, vii ; " near Whitby, Yorkshire; 



Ironstone Beds of Middle Lias " ; Whitby Mus. No. 482 ; 



S. 18, 47, 26, 22 ; See XX and Homoeomorph LV 



AMAUROCERAS FERRUGINEUM, Simpson sp. 

 Domerian, c. Icevis 



