PLATE XLVIII. 



Fig. I. Cardium virile Dall ; Chipola beds ; alt. 28.0 mm. ; p. 1086. 

 Fig. 2. Cardium acrocome Dall; Chipola beds; alt. 8.0 mm.; p. 1081. 

 Fig. 3. Protocardia jamaicense Dall; Bowden beds; alt. 6.0 mm.; only a part of the 



pustulose ornamentation is intact; p. 1114. 



Fig. 4. Cardium malacum Dall ; Oak Grove sands ; alt. 25.0 mm. ; p. 1087. 

 Fig. 5. Cardium alicula Dall ; Chipola beds ; alt. 12.0 mm. ; only a part of the nodules 



is intact, if perfect each rib would have a row of them; p. 1103. 

 Fig. 6. Cardium apateticum Dall; Oak Grove sands; alt. n.o mm.; this species is 



normally without nodules; p. 1105. 

 Fig. 7. Cardium maturense Dall; Trinidad; alt. 6.0 mm.; only a part of the nodula- 



tion is intact; p. 1105. 



Fig. 8. Cardium Simrothi Dall ; Chipola beds; alt. 8.5mm. ; p. 1104. 

 Fig. 9. Cardium Willcoxi Dall, a young shell with sculpture nearly intact; Caloosa- 



hatchie marl; alt. 8.5 mm.; p. 1106. 

 Fig. 10. Cardium precursor Dall ; sileic beds, Ballast Point, Florida ; alt. 22.5 mm. ; 



p. 1086. 



Fig. ii. Cardium aminense Dall; St. Domingo; alt. 14.0 mm.; p. 1104. 

 Fig. 12. Cardium propeciliare Dall ; Chipola beds ; alt. 20.0 mm. ; p. 1080. 

 Fig. 13. Cardium phlyctana Dall ; Ballast Point silex beds ; alt. 27.0 mm. ; p. 1097. 

 Fig. 14. Cardium cestum Dall ; Chipola beds ; alt. 32.0 mm. ; p. 1083. 

 Fig. 15. Cardium Burnsii Dall; Chipola beds; alt. 6.5 mm.; p.- 1101. 

 Fig. 16. Cardium dominicanum Dall ; St. Domingo ; alt. 28.0 mm. ; p. 1082. 

 Fig. 17. Cardium parile Dall; Chipola beds; alt. 15.0 mm.; p. 1086. 

 Fig. 18. Cardium delphicum Dall ; Oak Grove sands ; alt. 34.0 mm. ; p. 1084. 

 Fig. 19. Cardium waltonianum Dall; alt. 39.0 mm.; p. 1093. 



Fig. 20. Cardium (Papyridea) bulbosum Dall; Chipola beds; Ion. 27.0 mm.; p. 1109. 

 Fig. 21. Cardium (Lavicardium) compressum Dall; Chipola beds; alt. 23.0 mm.; p. 



1109. 



1621 



