22 University of Texas Bulletin 



PLATE II 



Figs. 1, 3, Turritella bartonensis n. sp., natural size. 



Fig. 2, Turritella bartonensis n. sp., X2. 



Figs. 4, 5, 6, Turritella budaensis Shattuck, natural size. 



Fig. 7, Turritella felteri n. sp., natural size. 



Fig. 8, Turritella felteri n. sp., X5. 



