PLATE II. 
Fig. 
1. Ammonites subcontractus, py. 11, side view. 
la. _ — front view. 
2,24. — _- young of. 
3. Ammonites macrocephalus, var., p. 12, side view. 
3a. ~~ — front view. 
4. Ammonites arbustigerus, p. 12, side view. 
Aa. a — front view. 
5. Nautilus dispansus, p. 9, side view. 
Da. —_ = front view. 
