10 
B. Ormoceras nomscoticus Foerste. Vertical section through the siphtmcle, showing septal 
necks and probable form of connecting ring, 
J. Ormoceras brevicameratum Foerste. Vertical section through the siphunele, showing septal 
necks and probable form of connecting ring. 
M. Ormoceras brevicameratum Foerste. Lateral view of conch, shoving inclined sutures of 
septa, probably owing to distortion. 
