TAB. XII. 



Fig. 



1. Pholadomya Heraulti, p. 124. 



2. Pholadomya oblita, p. 243. 



3. Goniomya hemicostata, p. 120. 



4. Cyprina nuciformis, p. 90. 



5. Pholadomya oblita, p. 143. 



6. Myacites Terquemea, p. 115. 



7. Tancredia axiniformis, p. 93. 



8. Tancredia angulata, p. 94. 



9. Neaera Ibbetsoni, p. 98. 



10. Astarte recondita, p. 88. 



11. Myacites compressus, p. 116. 



12. Ceromya similis, p. 109. 



14. Myacites gibbosus, p. 138. 



15. Myacites sequatus, p. 139. 



