PLATE 78. 



Fig. 1. 704. 8. Calymene camerata. ( Pag. 337.) 



1 a. A specimen preserving eleven articulations of the thorax, and a lai-ge part of the cephalic shield. 

 1 b. The central part of the cephalic shield, the lateral portions being separated at the suture. 

 1 c. Another cephalic shield, in which the central portions are better preserved. 

 1 d. The caudal shield. 



1 e. Front view of the cephalic shield, from which the marginal rim is broken, showing the arched projec- 



tions from the eye to the glabella. 



Fig. 2. 705. 3. Cytherina ALTA? (Pag. 338.) 



2 a, b, c. Individuals of different size. 



2 d. An enlargement of the surface, showing the papulose character. 



Fig. 3 a, b. PlIRAGMOCERAS ? 



For description, see Appendix. 



i 



