PLATE 7. 



Page 



Fia. 1. Anchuea haydeni 311 



a. Lateral view ; the posterior process of the wing and the beak 

 restored from casts left in the matrix ; natural size. 



Fig. 2. Anchura (Deepanocheilus) peolabiata 312 



a. Lateral view ; natural size. . 



Fig. 3. Anchuea (Deepanocheilus) mudgeana 312 



a. Lateral view, showing exterior surface of wing. 

 h. Apertural view of another example. Natural size. 



Fig. 4. Anchuea (Deepanocheilus) euida 312 



a. Apertural view ; natural size. 

 i. Opposite %^ew of the same. 



Fig. 5. TUEEITELLA MAENOCHI 314 



a. Lateral view, showing natural surface ; natural size. 

 Z>. Another example ; a natural cast ; the test removed. 



Fig. 6. Neeitina incompta 308 



a. Lateral view ; natural size. 



&. Apertural view of the same example. 



c. Apical view of the same. 



Fig. 7. Neeitina (Velatella) patellipoeimis 309 



a. Dorsal view ; natural size. 



}>. View of the under side of the same. 



c. Lateral view of the same. 



d. Posterior view of the same. 



Fig. 8. i^. (V.) PATELLIPOEMIS var. WEBEEENSIS 309 



a. Dorsal view ; natural size. 

 ?>. Lateral view of the same. 



Fig. 9. Action woosteei 304 



a. Lateral view of natural cast ; natural size. 

 Z». Apertural view of the same. 



c. Gutta-percha cast of a natural mould of the exterior surface, 

 showing striie. Enlarged. 



Fig. 10. AcT^ONiNA peosocheila 305 



a. Lateral view ; natural size. 

 h. Apertural view of the same. 



Fig. 11. Neeitina pisum 308 



a. Apical view ; natural size. 

 1). Lateral view of the. same. 

 c. Under view of the same. 



Fig. 12. Physa caeletoni 306 



a. Lateral view ; natural size. 



Fig. 13. Physa ? 307 



a. Lateral view of a sandstone cast ; natural size. 



Fig. 14. Placunopsis hilliaedensis ., 278 



a. Exterior view of the upijer valve ; natural size. 



