PLATE XXXII. 



Fio". I. Yoldia fratcr Dall ; Oligocene of Oak Grove, Florida; exterior of left valve; 



13.5 mm. ; p. 596. 

 Fig. 2. Lcda hypsoina Dall; Miocene, Duplin County, North Carolina; 5.5 mm.; 



p. 589. 

 Fig. 3. Lcdii acahi Dall ; Eocene of Wood's Bluff, Alabama ; 15.5 mm. ; p. 586. 

 Fig. 4. Leda trochilia Dall; Miocene of Alum Bluff, Florida; 9.5 mm. ; p. 590. 

 Fig. 5. Lcda peltella Dall ; Oligocene of Bowden, Jamaica ; 8 mm. ; p. 579. 

 Fig. 6, Lcda dodona Dall; Oligocene of Oak Grove, Florida; 9.2 mm. ; p. 589. 

 Fig. 7. Nucida sinaria Dall ; Oligocene of Oak Grove, Florida ; 4,5 mm. ; p. 575. 

 Fig. 8. Lcda pliarcida Dall ; Eocene of Wood's Bluff, Alabama ; 34 mm. ; p. 587. 

 Fig. 9. Nucitla p7-unicoIa Dall ; Miocene of Plum Point, Maryland ; 6 mm. ; p. 576. 

 Fig. 10. Niicitla chipolana Dall; Oligocene of Chipola, Florida, marl ; 3.6 mm.; p. 575. 

 Fig. II. Area initiator V)2\\ ; Oligocene of Chipola, Florida, marl; 5,5 mm. ; p. 634. 

 Fig. 12. Lcda trochilia Dall; Miocene of Alum Bluff, Florida; 8.5 mm. ; p. 590. 

 Fig. 13. Lcda catasarca Dall; Eocene of Wahtubbee Hills, Mississippi; 5.5 mm.; 



p. 588. 

 Fig. 14. Niiciila taphria Dall ; Miocene of I.)uplin County, North Carolina, Natural 



Well ; 3.8 mm. ; p. 576. 

 Fig. 15. Area latidentafa Dall ; Oligocene of the Chipola marl ; iS mm. ; p. 638. 

 Fig. 16. Area Spcnccri Dall ; Pliocene of Tehuantepec ; hinge of right valve ; 16 mm. ; 



p. 652. 

 Fig. 17. Trinacria Meckii Dall ; Oligocene of Oak Grove, Florida ; 4 mm. ; p. 604. 

 Fig. 18. Area ovalina Dall ; Oligocene of Bowden, Jamaica ; 3.2 mm. ; p. 630. 

 Fig. 19. Area {CucuUaria) Aldriehi Dall ; Eocene of the Claiborne Sands ; 8.2 mm. ; 



p. 530. 

 Fig. 20. Area eatasarea Dall ; Phocene of Alligator Creek, Florida ; 55 mm. ; p. 654. 

 Fig. 21. Area eampsa Dall ; Miocene of Alum Bluff, Florida ; 41.5 mm. ; p. 656. 

 Fig. 22. Area eampyla Dall, var. ccrcfca Dall ; Pliocene of Shell Creek, Florida ; 34 



mm. ; p. 645. 

 Fig. 23. Area vi7'ginice Wagner ; Miocene of Virginia ; 84 mm. ; p. 627. 

 Fig. 24. Area Spcnccri Dall; Pliocene of Tehuantepec; restored left valve ; 18 mm. ; 



p. 652. 



927 



