388 BALEA §1. 



Pupa fragilis Morelet moll. du Poit. |). 74. 

 Clausilia fragilis Stud. Verz. p. 2 0. 



— — Hartm. in Neue Alpina I. p. 2 1 .5. 



— — Sturm Fauna VI. H. 1.1. 4. 



— — C. Pfr. III. p. 62. 



— — Heldm Isis 1836. p. 27o. 



— parvula Gartn. Conch. Wett. p. 22. 



— perversa Charp. cat. moll. Suiss. p. \1. 



— tenerrima Ziegl. (Anion Verz.) 



— uniplicata Calc. EfTem. sc. el left. Sicil. p. 82. 

 Odostomia perversa Flem. Edinb. Encycl. | 



Balaea fragilis Leach moll. p. 1 16. \ 



— perversa Gray Man. p. 207. t. 6. f. 70. 



— — Thomps. land- and freshwater-moll. of Irei. p 27. 

 Balea lucifuga Leach mss. (teste Gray. ) 



— fragilis Gray in Zool. Journ. I. p. 61.*) 



— — Rossm. X. p. 2 4. f. 636. 



— — Sow. Conch. Man. f. 296. 



— — Graells catal. moU. Esp. p. 8. 



— perversa Flem. brit. anim. p. 271. 



— — Beck ind. p. 89. N. 1 . 



— — Phil. Sicil. II. p. 220. 



Fusulus fragilis Fitz. syst. Verz, p. 105. 



Balia fraqilis ) ^ . ,, , „ „ , 



r. /■ •;• Sivains. Malac. p. 334. 



bruca fragilis \ ^ 



Stomodonta fragilis Merm. moU. pyr. p. 48. N. 5. 

 Habilat in Gennania (pleriinique in rupibus basalticis), Helvelia, 

 Gallia, Britannia, Hispania, Lusitania . Italia, Sicilia, Hungaria, 

 Suecia. 



Obs. Piica ijarielali.s iii adultissimis modo testis ade.st. 



'2. B. tristensis Leach. 



T. sitiislrorsa, subulata, ovata, fusca. — Axis yio, diatn, 

 7:0 poll. (Gr.) — Long. 10, diam. 3 mill. (Spec. Mus. Brit. ) 



Balea tristensis Leach mss. Gray in Zool. Journ. 1. 1. p. 61. 



t. 6. f.' A. 



— — Beck ind. p. 89. N. 2. 



Piipa tnstensis Gray in Ann. of Phil. 1825. vol. IX. p. 413. 

 Habital in Tristan D'Acunha, 



.*). B. Sarsii Philippi. 



T. sinistiorsa, subperforata, oblongo-turrita, striatula, nitida, 

 pullucida, olivaceo-cornea; spira acutiuscula; anfr. 7 convexi, ul- 



•) T. sublineari-ovata , pelluoida , flav^"4cente. (Gray 1. c.) 



