Plate 32 



Fig. 1. Sigmomorphina nysti (Kenss) . X 45. Miocene, Burdigalien inferieur, 

 Le Coquillat, Leognan, France, a, side view; b, apertural view. 



2. Sigmomorphina jacksonensis (Cushman). X 35. Eocene, Ocala 



limestone, loose blocks along road near Blue Springs, Jackson 

 County, Fla. a, side view; b, basal view. 



3. Sigmomorphina jacksonensis (Cushman) var. costifera (Cushman). 



X 35. Eocene, Jacksonian, Barnwell County, S. C. a, side view; 

 b, apertural view. 

 4, 5. Sigmomorphina chapniani (Heron -Allen and Earland). X 20. 

 (After Heron-Allen and Earland.) Filter quarry, Batesford, Vic- 

 toria, Australia. 



6. Sigmomorphina nuttalli Cushman and Ozawa. X 45. Eocene, 



Mount Moriah beds, yellow sandy clay overlying orbitoidal lime- 

 stone, Vistabella quarr}-, Trinidad, British West Indies, a, side 

 view; b, apertural view. 



7. Sigmomorphina flintii (Cushman). X 25. Off Atlantic coast of 



Carolina, 440 fathoms, a, b, side views; c, basal view. 



8. Sigmomorphina pseudoregularis Cushman and Thomas. X 25. 



Eocene, 17}i miles south of Palestine Road on Grapeland Road, first 

 creek crossed by fording north of Grapeland, Houston County, Tex. 

 a, b, side views; c, apertural view. 



92709—30 14 177 



