PLATE XLVI. 



Fig. I. Tellina (Angulus) acosinita Dall ; Chipola Oligoccne ; Ion. 10.5 mm.; p. 1026. 



Fig. 2. Tellina (Angulus) euttznia Dall ; Claibornian ; Ion. 9.0 mm. ; p. 1016. 



Fig. 3. Macoma (Cymatoica) I'cndrycsi Dall; Oligocene of Bow den. The sculpture 



in the figure is too regular, the concentric waves are more hroken up than 



the artist has indicated in this figure ; Ion. 7.0 mm. ; p. 1056. 

 Fig. 4. Tellina (Macaliofsis) mcntla Dall; silex beds of Ballast Point, Florida; Ion. 



16.0 mm. ; p. 1019. 

 Fig. 5. Tellina (Moerella) Hcndersoni Dall; Oligocene of Bowden; Ion. 7.5 mm.; 



p. 1024. 

 Fig. 6. Tellina {Angulus) [>ropetcnella Dall; Miocene of York River, Virginia; Ion. 



10.0 mm. ; p. 1033. 



Fig. 7. Tellina (Angulus) fharcida Dall ; Oligocene of Bowden ; 1011.5.5111111.; p. 1025. 

 Fig. 8. Tellina (Macaliopsis) cloneta Dall ; Chipola beds ; Ion. 13.5 mm. ; p. 1020. 

 Fig. 9. Tellina (Moerella) Aldrichi Dall; Chickasawan Eocene of Lisbon, Alabama; 



Ion. 20.0 mm.; p. 1017. 

 Fig. 10. Tellina (Merisca) acrocosmia Dall; Oligocene of Bowden; Ion. 7.0 mm.; p. 



1 020. 

 Fig. ii. Tellina (Angulus) agria Dall; Oligocene of Oak Grove, Florida; len. 6.7 mm.; 



p. 1027. 

 Fig. 12. Tellina (Moerella) Simpsoiti Dall; Oligocene of Bowden; Ion. 7.0 mm.; 



p. 1024. 

 Fig. 13. Tellina (Angulus) umbra Dall; Miocene of Duplin County, North Carolina; 



Ion. 12.5 mm. ; p. 1033. 



Fig. 14. Tellina (Scissula) lamfra Dall; Chipola beds; Ion. 8.6 mm.; p. 1028. 

 Fig. 15. Macoma irma Dall ; Ballast Point silex beds, Florida ; Ion. 28.0 mm. ; p. 1047. 

 Fig. 16. Tellina (Moerella) aclonetaDM; Oligocene of Bowden ; 1011.4.7111111.; p. 1025. 

 Fig. 17. Tellina (Angulus) dupliniana Dall ; Miocene of Duplin County, North Carolina ; 



Ion. 12.5 mm. ; p. 1032. 

 Fig. 18. Tellina (Phyllodina) lepidota Dall ; Oligocene of the Gatun beds, near Panama ; 



Ion. 7.5 mm. ; p. 1022. 

 Fig. 19. Tellina (Moerella) nucinella Dall; Oligocene of Oak Grove, Florida; Ion. 3.5 



mm. ; p. 1026. 

 Fig. 20. Tellina (Angulus) macilenta Dall; Miocene of Duplin County, North Carolina; 



Ion. 16.5 mm. ; p. 1034. 

 Fig. 21. Isocardia floridana Dall ; Vicksburgian of Florida ; umbonal view of internal 



cast ; Ion. 25.0 mm. ; p. 1066. 

 Fig. 22. Isocardia Carolina Dall ; Miocene of Grove Wharf. Virginia ; Ion. 84.0 mm. ; 



p. 1067. 



Fig. 23. Tellina (Merisca) hypolispa Dall; Chipola beds; Ion. 13.5 mm.; p. 1022. 

 Fig. 24. Metis trinitaria Dall; Oligocene of Trinidad; Ion. 52.0 mm.; p. 1041. 

 Fig. 25. Tellina (Moerella) suberis Dall; Pliocene of the Caloosahatchie marls; Ion. 



7.0 mm. ; p. 1031. 

 Fig. 26. Isocardia floridana Dall ; Vicksburgian of Florida ; side view of internal cast ; 



Ion. 36.0 mm. ; p. 1066. 

 Fig. 27. Tellina cynoglossa Dall ; Chickasawan Eocene of Wood's Bluff, Alabama ; 



Ion. 16.5 mm. ; p. 1017. 



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