Proc. Ac.Nat Sc.Phila 1875 Plate XVM 
a 
67 
W. GB. del. P Sinciaiy &Sen. hth Pinia. 
lL Helix Wheatleyi, Aiaz7. 5. Helix Mitchelliana, Zaz. 9. Helix asteriscus Ase. 
2Helixthyroides Sg «6. Helix pulchella, #7 10. Helix obstricta Zea. 
| 3. Helix Pennsylvanica, ex. 7. Helix labyrinthica, Say 1. Heltx Hubbardi, 42.27 
4 Helix loricata, Giz. 8. Helix Townsendiana Ze. 
