522 DR G. S. BEADY ON 



Pontocypris gracilis. 

 Fig. 5. Shell seen from left side } 

 „ 6. „ „ above / 



Pontocypris sicula. 

 „ 7. Shell seen from left side 

 „ 8. „ „ above 



Plilyctenoplwra reniformis. 

 „ 9. Shell seen from left side 

 „ 10. „ „ above 



Bairdia tenera. 



11. Shell seen from left side 



x 40. 



1 x40. 



?. 



1 x60. 



12. „ ,, above 



} 



Bairdia nodulifera. 



13. Shell seen from left side \ 



14. „ „ above I x 40. 



15. „ „ behind ) 



16. Posterior extremities of valves seen obliquely. 



Sarsiella sculpta. 



17. Shell seen from right side- 



18. „ „ above , 



19. „ „ right side 



20. „ „ below 



Sarsiella foveata. 



21. Shell seen from left side ) ,~ 



22. „ „ below J X 



Pleoschisma moroides. 



23. Shell seen from right side ) . „ 



24. „ above j 



Plate II. 



Bairdia truncata. 

 Fig. 1. Shell seen from left side 

 „ 2. ,, „ above 



}* 



65. 



Cythere inflata. 



3. Shell seen from left side 



4. „ „ above \ x 60. 

 5- » » „ 



Cythere cuneolus. 



6. Shell seen from left side 



7. „ „ above 



Cythere ochracea. 

 „ 8. Shell seen from left side 

 „ 9. „ ,, above 



Cythere caudata. 

 „ 10. Shell seen from left side 

 „ 11. „ „ above 



Cythere ovalis. 

 „ 12. Shell seen from left side x 50. 



} 



I x80. 



x80. 



