8 Bulletin 8 174 



Ringjcula biplicata, PI. 2, fig. 12. 



vSyn. Marginella biplicata Lea, Cont. to GeoL, p. 201, pL 6, fig. 216, 1833. 

 Ringicula biplicata Con., Check list, 1866, p. 9. 

 R. biplicata Con., Amer. Jour. Conch., 1865, p. 35. 

 R. biplicata DeGreg., Annales de GeoL, 8e livr., p. 167, pL 16, figs. 



26-33, 1890. 

 R. biplicata var. vilma DeGreg., Ibid., figs. 26-29. 

 R. biplicata wax. pita DeGreg., Ibid., figs. 30-31. 

 R. biplicata var. le^ica DeGreg., Ibid., figs. 32-33. 

 R. biplicata Coss., Ibid., I2e livr., p. 50, 1893. 



M. Cossmann corre(ftly considers the varieties described b}- De 

 Gregorio as different periods of growth of the same species. The 

 figure given here is copied after O. Meyer's. The type speci- 

 men in the Academy of Natural Sciences, Philadelphia, has a 

 broken spire. Described from the Claiborne sand bed, Clai- 

 borne, Ala. 



Ringicula mississippiensis, PI. 2, fig. 13. 



Syn. R. mississippiensis Con., Proc. Acad. Nat. Sci. Phila., 1847, p. 287. 

 R. mississippiensis Con., Jour. Acad. Nat. Sci. Phila., 1848, p. 117, 



pi. II, fig. 36. 

 R. [Ringinella) mississippiensis Con., Amer. Jour. Conch., 1865, 

 P- 35- 

 The figure given here is copied after O. Meyer's and has been 

 compared with the type. Described from Vicksburg, Miss. 



Ringicula trapaquara, PI. 2, fig. 7. 



Syn. R. trapaquara Har., Proc. Acad. Nat. Sci. Phila., 1895. p. 53, pi. 3, 



fig- 7- 

 Described from Texas. 



Ringicula butleriana, PI. 2, fig. 14. 



Syn. R. butleriana Aid., Bull. Amer. Paleont., vol. i, p. 57, pi. 2, fig. 8, 

 1896. 



Described from Butler, Ala. Wood's Bluff horizon. 



Ringicula dalli, PI. 2, fig. 6. 



Syn. R. dalli Clark, J. H. Univ. Cir., vol. xv, p. 4, 1895. 



R. dalli Clark, Bull. U. S. GeoL Surv., No. 141, p. 64, pi. 9, figs. 

 3a, 3b, 1896. 



Described from Woodstock, Va. Type figured here. 



Ringicula lisbonensis, n. sp., PI. 2, fig. 11. 



This Bulletin. 



