PLATE XXIX. 



Pentamerus knighti. 



Fig. 1, 2. Dorsal and profile view of a specimen. Page 57 



Fig. 17. Profile vie\v of an unusually large specimen. 



Rhynchonella stricklandi. 

 Fig. 3-6. Doral, cardinal, profile and front view of a specimen. Page 81 



Meristina maria. 

 Fig. 7-10. Dorsal, ventral, profile and front view of a specimen. Page 101 



Streptorhynchus subplanus. 



Fig. 11, 12. Profile and ventral view of a specimen. Page 141 



Spirifera radiata. 



Fig. 13-16. Dorsal, ventral, profile and cardinal view of a specimen. Page 130 



Orthis biforata. 



Fig. 18-22. Ventral, profile, dorsal, front and cardinal view of a 



specimen Page 35 



Pentamerus pergibbosus. 

 Fig. 23, 24. Profile and dorsal view of a specimen. Page 62 



Spirifera rostellum. 

 Fig. 25. Dorsal view of a specimen. Page 129 



Strophodonta profunda. 



Fig. 26. Ventral view of a specimen. Page 148 



