138 TRUNCATELLID^. 



Trimcatella truncatula, Deshayes in Lam. Hist. viii. p. 365. 



Anton, Verzeichn. p. 62. n. 2187. 



Philippi, Enum. Moll. Sicil. ii. p. 133. t. 24. f. 3. 



Reeve, Conch. Syst. ii. pi. 182. f. 5. 



Forbes, Moll. JEqean Sea, p. 137. 



Pfr. in Zeitschr.f. Malac. 1846, p. 183; Mon, Auric, p. 188. 



Jay, Catal. 1850, p. 252. n. 5777. 



M. E. Gray, Fig. Moll. Anim. pi. 125. f. 14. 



Woodward, Man. MoU. p. 137. pi. 9. f. 25. 



Kuster, Mon. p. 4. 10. n. 1. t. 1. f. 19-23, t. 2. f. 9, 10. 



H. and A. Adams, Gen. rec. MoU. ii. p. 310. pi. 88. f. 1. 

 Trimcatella triuicata, Dupuy, Moll, de France, p. 532. pi. 27. f. 4. 

 Choristoma truncatula, I)e Crist, and Jan, Cat. Mantissa, p. 3. 

 Paludina truncata, Payraudeau, Moll. Corse, n. 244. p. 116. 

 Kissoa truncata, Philippi, Enum. Moll. Sicil. i. p. 151. 



/3. With the ribs indistinct. 



y. Shell perfectly smooth, shining;. 



Truncatella laevigata, Risso, Hist. iv. p. 125. n. 300. pi. 4. f. 53. 



Menke, Si/n, ed. 2. p. 44. 



Villa, Disp. p. 29. 

 Cyclostoma truncatulum, y, Drap. Hist. p. 40. pi. 1. f. 31. 

 Rissoa hyalina, Desmarest, teste Villa. 



8. Larger, conspicuously attenuated towards the apex, dark 

 amber-coloured or red ; aperture larger ; peristome furnished 

 with an obtuse distant keel-shaped callus. 



Truncatella Hammerschmidtii, Charp. MSS. 



Truncatella truncatula, var. Kiist. 3Ion. p. 11. t. 2. f. 16-18. 



B. Imperfect form, with the shell turrited, not truncate ; 

 apex pointed; whorls eight; peristome simple. Length 5£, 

 breadth If mill. (Kiist. Mon. t. 1. f. 10-18.) 



Fidelis Theresa, Risso, Hist. iv. p. 121. pi. 5. f. 59. 



Paludina Desnoyersi, Payraudeau, Cat. p. 116. n. 245. pi. 5. f. 21, 22. 



Paludina strigilata, Parreyss, teste Philippi. 



Truncatella exilis, Menke, Syn. ed. 2. p. 44 ? 



Rissoa Desnoyersi, Philippi, Enum. Moll. Sicil. i. p. 151. 



Hah. Shores of the Mediterranean Sea, Spain, France, Istria, 

 Italy, Greece ; also Great Britain. 



11. Truncatella Montagli. B.M. 



Shell subrimate, cylindrical, thin, smooth, shining, pellucid, 

 pale amber-coloured or glassy ; suture slightly impressed ; re- 



