THE NAUTILUS. 77 



13. Z. fiilvus Drap. Very few on benches. 



14. Z. gularis Say. Common on top. 



15. Z. internus Say. Very common on top and benches. 



16. Z. sp. (?) possibly a new species. 

 16a. Zonites suppressus Say. 



17. Patula alternata mordax Shutt. Frequent on benches. 



18. P. Curaberlandiana Lea. Very common on benches. 



19. P. perspectiva Say. Common on benches among dead leaves. 



20. Helicodiscus lineata Say. Very few on benches. 



21. Punctom pygmseum Drap. Few. 



22. Helix clausa Say. Few. 



23. H. thyroides Say. Common in coves. 



24. H. albolabris major Binn. Common on top. 



25. H. exoleta Binn. Very common. Large with thick shell, 

 (specimens from Chattanooga, Tenn. have very thin shell.) 



26. H. elevata Say. One example. (Beautiful purple-banded 

 var. taken at Chattanooga, Tenn.) 



27. H. hirsuta Say. Common on top and benches. 



28. H. stenotrema Fer. Common on benches. 



29. H. stenotrema var. globosa, n. var. Very common between 

 rocks. 



80. H. spinosa Say. Few on benches. 



31. H. tridentata Say. Frequent. 



32. H. fallax Say. Frequent. 



33. H. inflecta Say. Common on top. 



34. H. Rugeli Shutt. Scarce on sides under rocks. 



35. H. appressa Say. Very large and fine. Common on top and 

 benches. 



36. H. Sargentiana J. & P. (sp. nov.) common on rocks. 



37. H. obstricta Say. Few on benches and in coves. 



38. H. pustuloides Bid. Scarce, only six specimens taken. 



39. H. dorfeuilliana Lea. Few in valley. 



40. Vallonia perspectiva Sterki. Quite common. 



41. Strobila labyrinthica Say. Common under bark. 



42. Pupa corticaria Say. Very common. 



43. Pupa armifera Say. Two examples in drift. 



44. Pupa contracta Say. Common. 



45. Pupa curvidens Gld. Common. 



46. Pupa curvidens var. gracilis Sterki. Few. 



47. Succinea avara (?) Say. Few young. 



