Proc. Ac. Nat.So.Phila.1875. Plate X. 
| W. G. B del T Sinclair &$on, lith.Pinia . 
l Helix tridentata Say. 3. Hel Rugeh SAza7. 6. Helxx Hopetonensis SZud77. 
4.Helix palliata, Say. A Helixinilecta, Say, 7. Helix appressa, Say. 
5. Helix fallax, Say. 
