94 



Upper Silurian Fossils. 

 FIG. 23. 



Strophomena euglypha. 



Protaster Miltoni. 



Pentamerus oblongus. 



Bellerophon dilatatus. 



IllEenus Barriensis. 



Calymene Blumenbachii. Phacops caudatus. 



Group of Upper Silurian Fossils. 



