Proc. Ac. Nat. 6.Ehila 18 715 
W.G.B. del. “T Sindlair £8, ith, Phila 
l Helix Texasiana, Mor 5.Helix Hazard, 47. 9.Helix auriformis, AZ, 
2. Helix Troostiana Zea. 6. Helix Septemvolva,Sar10. Helix Mooreana, WOL. 
8. Helix uvulitera, sZu#7.7, Helix Febigern, AY. 11. Helix fastigans , Say. 
#elxespiloca,Aay. 8. Helix pustula, ze 12. Helix auriculata, say. 
