PLATE 55 



Dalmanites cf. griff oni Clarke 

 Page 2C9. 



Fig. 1. An almost wholly exfoliated, incomplete cephalon. 



Dalmanites sp. 

 Page 209. 



Fig. 2. A partially exfoliated portion of a glabella. 



Fig. 3. Interior of a part of a cephalon. 



Fig. 4. A fragment of a cephalon with the impression of the genal spine. 



Fig. 5. A part of a pygidium. 



Fig. 6. A nearly complete pygidium. 



Fig. 7. A part of a pygidium that retains portions of the test. 



