COLIMACEA. 
. subulata (Hasmatina), Petit, Pro. Zool. Soc. 1843. p. 2. 
. succinulata, Guillon, Revue Zool. Cuy. Soc. 1842. p. 138. 
. sylvatica, Draparnaud, Moll. pl. 6. f. 1, 2. 
. temata, Webb, D’Orbigny, Moll. Canaries, pl. 3. f. 18-20. 
. tenera, Sowerby, Pro. Zool. Soc. 1840. p. 102. 
. Ternatana, Guillon, Revue Zool. Cuv. Soc. 1842. p. 138. 
. Terverii, Michaud, Compl. Draparnaud, pl. 14. f. 20-22. 
. tessellata, Budgin, MSS. Sowerby, Tank. Cat. p. 37. 
1. Texasiana, Moricand, Mem. de Gen. v. 6. pt. 2. pl. 1. f. 2. 
. thyroidus, Say, Journ. A. N.S. Phil. v. 1. p. 123. pl. 1. 
. tiarella, Web; D’Orbigny, Moll. Canaries, pl. 1. f. 26-28. 
. Ticaonica, Broderip, Pro. Zool. Soc. 1840. p. 155. 
. tigrina, Jan, Porro, Malac. Com. p. 50. no. 37. 
. Tongana, Quoy, Voy. de lAstr. v. 2. p. 130. pl. 11. f. 19-23. 
. torulus, Ferussac, Hist. moll. pl. 27. f. 3, 4. 
. torticollis, Guillon, Revue Zool. Soc. Cuy. 1842. p. 140. 
. Townsendiana, Zea, Trans. Amer. Phil. soe. v. 6. pl. 23. f. 80. 
. Tourannensis, Souleyet, Revue Zool. Cuv. Soc. 1842. p. 101. 
. translucida, Quoy, Voy. de PAstr. v. 2. p. 103. pl. 8. f. 11-138. 
. tridentata, Say; Ferussac, Hist. moll. pl. 51. f. 3. NAmerce ct 
1. trigrammephora, D’ Orbigny, Voy, Amer. mérid. pl. 25. f. 9-11. 
. triodonta, D’ Orbigny, Voy. Amer. mérid. pl. 24. f. 1-3. 
. Tritoniensis, Guwillon, Revue Zool. Cuv. Soc. 1842. p. 138. 
. trigona, Rossmdsler ; Jay’s Cat. of Shells, p. 50. 
. Troberti, Petit, Revue Zool. Cuv. Soc. 1841. p. 100. 
. trochilioneides, D’ Orbigny, Voy. Amer. mérid. pl. 27. f. 12-15. 
. Trochoides, Quoy, Voy. de l’Astr. v. 2. pl. 8. f. 5-7. 
Helix Goberti, Lesson. 
. tumulorum, /eb4, D’Orbigny, Moll. Canaries, pl. 1. f. 29, 31. 
. Turbinoides, Broderip ; Pro. Zool. Soc. 1840. p. 123. 
. Turcica, Dillwyn; Ferussac, Hist. moll. pl. 65. f. 2. 
Helix Turcicus, Chemnitz. 
. turrita, Philippi, Enwm. Moll. v. 1. p. 137. pl. 8. f. 17. 
. turritella, Parreys; Jay’s Cat. of-Shells, p. 50. 
1. umbilicaria, Guil/on, Revue Zool. Cuv. Soc. 1842. p. 137. 
. umbrosa, Pfeiffer, Symb. Heliciorum. 
. undata, Lowe, Prim. Faun. Madeira, p. 41. no. 11. pl. 5. f. 5. 
Helix scabra, Wood. Ma delra 
. undulata, Ferwssac, Hist. moll. pl. 16, f. 3-6. 
Helix lineolata, Lamarck. 
