180 



4455 terrestris, Chemn., 465 France, 



4456 " var., Italy, 



Terverii, Mich., 408 Europe, 



tetrazona, Jan, 941 Austria, 



4457 Texasiana, Moric., 1086 Texas, 



4458 " var., Alabama, 

 4459 



Chemn. 9, pi. 122, f. 1045. 



Rossm., f. 345, 346. 



Drap. Moll, pi. 5, f. 1,2. 



Kust. C. C., No. 138. 



Neue Alp., 1, p. 230. 



Risso 4, p. 69, N. 149. 



Desh. Lam., p. 150. 



Beck Ind., p. 10. 



Kust., pi. 23, f. 26, 27, 34, 35. 



Beck Ind., p. 10. 



Mich.Comp.,p. 26, pi. 14,f.20,2 1 . 



Per., pi. 69, J, f. 20-23. 



Mem. Gen., 6, pi. 1, f. 2. 



Jour.Bost.S.N.H.,3,pl.l9,f.3. 



Phil. Journ., 2, p. 162. 



Beck Ind., p. 22. 



Desc. N. Shells, p. 14. 



Villa Disp. Syst, p. 55. 



Reeve C. Syst., pi. 168, f. 9. 



Zool. Proc., 1841, p. 38. 



D'Orb. Can., p. 62, pi. 1 , f.26-28. 



Kust. C. C., No. 576. 



Beck Ind., p. 10, 18. 



Alien, p. 56, pi. 5, f. 9. 



Amer. C., pi. 13, f. 2. 



Per., pi. 49, A, f. 4. 



Kust. C. C., No. 330. 



Beck Ind., p. 23. 



Zool. Proc., 1840, p. 155. 



Rossm., f. 510. 



Fer., pi. 69, J, f. 14-17. 



Rossm., f. 226. 



Held Isis, 1837, p. 911. 



Mont. T. B., p. 420, pi. 23, f. 2. 



Mem. Gen., 7, p. 439. 



Mem. Gen., 3d Supp., p. 59. 



Voy. Astrol., pi. 11, f. 19-23. 



Born Mus., pi. 14, f. 9, 10. 



Conch. Contrib., p. 31. 



Rossm., f. 538. 



Voy. Coquille, pi. 13, f. 1. 



Fer., pr. 457. 



Trs. Am. Ph. S., 6, pi. 23, f. 80. 



Zeits. Mai., 1845, p. 131. 



Zool. Jour., 5, p. 339. 



Rossm., f. 611. 



Trochus terrestris, Chemn. 

 Helix terrestris, Flem. 

 Helix elegans, Gniel. 

 Helix crenuluta, Muhlf. '. 

 Helix trochulus, Hartm. 

 Helicella elegans, Risso. 

 Carocolla elegans, Lam. 

 Turricula elegans, Beck. 

 Helix scitula, Jan. 

 Turricula depressa, Beck, 

 is Helix variabilis, Drap. 

 is Helix intermedia, Fer. 

 Helix triodonta, Jan. 

 Helix fatigiata, Binney. 

 Polygyra plicata, Say. 

 Tridopsis tridonta, Beck. 

 Polygyra fatigiata, Say. 

 is Helix vermiculata, Mull. 

 Carocolla Thersites, Brod. 



Geomitra bicarinata, Swains. 

 Turricula thiarella, Beck. 

 Ochthephila thiarella, Beck 

 is Helix candidula, Stud. 

 Helix thyroidus, Say. 

 Helicodonta thyroidus, Say. 

 Mesodon leucodon, Rafin. 

 Tridopsis thyroidus, Beck, 

 is Bulimus Ticaonicus, Brod. 

 is Helix Fontenillii, Mich. 

 Helix strigata, var., Cantr. 

 Campylaea tigrina, Beck. 

 Cingulifera tigrina, Held, 

 is Helix mfescens, Pennt. 

 is Tomigerus clausua, Spix. 

 is Tomigerus turbinatus, Pfr. 



is Helix Carocolla, Linn. 



is Helix Corcyrensis, Partsch. 



Helix proxima, Beck. 



is Bulimus Tournefortianus ,Fer. 



is Helix paupercula, Lowe. 

 is Helix similaris, Fer. 

 Helix Ocskayi, Stentz. 



