PLATE XIX. 



PAGF. 



FJO-. 1. CRUSTACEAN. Indet. 127 



Fig. 2 a f. CRUSTACEAN CLAWS. Indet. 127 



Fig. 3. CALLTANA^SA STIMPSONII. 127 



Fig. 4. PTILOTEUTHIS FOLIATUS. 



Fig. 5 a . Section of body volution of AMMONITES BREWKRII. 130 



5 b. Septum, 

 rig. 6. 6 a. A. BREWKRII. Young. 



Fig. 7. A. TRASKII. Young. 



7 a. Outline of body volution. 



7 b. Still younger specimen. 



