PLATE 9. 



Page. 



Fig. 1. Anisomyon centrale 303 



a. Lateral view ; natural size. 

 i. Apical view of the same. 



c. Lateral view of another example. 



d. Apical view of the same. 



Fig. 2. Oaedium % 292 



a. Natural cast of left valve ; natural size. 



6. Lateral view of the same. 



c. Cast showing exterior surface, with character of costae. 



Fig. 3. Oakdium pattpercultjm. 291 



a. Cast of right valve ; natural size. 



FlG. 4. TURRITELLA COALYLLLENSIS 315 



a. Imperfect example ; natural size. 



Fig. 5. Turbonilla (Chemnitzia) coalvillensis 305 



a. Lateral view ; natural size. 

 1). Apertural view of the same. 



Fig. 6. Admetopsis rhomboides 317 



a. Apertural view ; natural size. 

 1). Opposite view of the same. 



Fig 7. Admetopsis subfusiformis 318 



a. Apertural view ; natural size. 



FlG. 8. TURRITELLA (ACLIS ?) MICRONEMA 316 



a. Lateral view ; enlarged two diameters. 



Fig. 9. Fusus (Keptunea ?) gabbi 317 



a. Lateral view ; natural size. 



Fig. 10. Eulimella funicula 316 



a. Apertural view ; natural size. 



Fig. 11. Mactra canonensis 297 



a. Exterior view, right valve ; natural size. 



Z». Left side view ; test partly exfoliated, showing pallial lines and 



muscular impressions. 

 c. Dorsal view. 



