470 CLAUSILIA §. 18. 



albidis; spira superne altenuata, apice oblusa; anlV. 11 — 14 con- 

 vexiusculi, ultimus basi cristatus; apertura pyriformis, basi cana- 

 liculata ; lamelia supera ad marginem porrecta , infera profunda ; 

 lunella distincta , gracilis; plicae palatales 2 retrorsum conver- 

 gentes, subcolumellaris immersa ; perist. continuum, aliquantulum 

 productum, expansum, sublabiatum. — Long. 16 — 17, diam, 

 4 mill. Ap. 4 mill. longa, niedio 3 lata. (Coll. Nr. 131.) 

 Turbo biplicatus Mont. test. brit. p. 361. t. H. f. 5. 



— — Dillw. descr. cat. U. p. 874. N. 143. 

 Clausilia biplicata Leach moll. p. 120. 



— — BeckmA. p. 97. N. 129. 



— — Gray Man. p. 214. t. 5. f. 65. 



— Montagui Gray in Ann. of Phil. xni. 



— plicata Gartn. Wett. p. 22. 



— — (i Hartm. in Neue Alpina I. p. 217. 



— ventricosa C. Pfr. I. p. 63. t. 3. f. 29. 



— — Fors^. in Nov. Act. Leop. XIX. P. U. p. 2.^1. 



— — var. similis Menke syn. ed. U. p. 32. 



— perversa C. Pfr. l. p. 62. t. 3. f. 28. 



— similis Charp. mss. Rossm. l. p. 77. f. 30. VU p. 17 f i6S, 



XL p. 7. f. 70S. 706. 



— — Charp. cat. moU. Suiss. p. 17. 



— — Roth diss. p. 20. 



— vivipara Held in Isis 1837. p. 309. 



— — Klett mss. (leste Rossm. VH. p. 17.) 

 Helix perversa Miill. verm. II. p. 118. n. 316? 



— similis (Cochlodina) Fer. pr. 33 3. 

 Odostomia biplicata Flem. (teste Beck. ) 

 Laciniaria similis Htm. in sched. 



/?. Plicis interlamellaribus 2 — 3, magis minusve distinctis : 

 Clausilia biplicata C. Pfr. I. p. 61. t. 3. f. 27. 



— — Forst. l c. p. 277. t. 58. f. 8. 



y. Major, anfr. 14, plica palatah tertia saepe instructa : long. 20, diam. 

 4^2 mill. 



Clausilia similis var. grandis Rossm. VU. p. 17. f. 469. 

 (). Minor, anfr. 10 — 11 : long, 12 — 13, diam. .3% miU. Ap. 3'/, mill. 

 longa, 2 '/2 lata. 

 Clau^ilia sordida Ziegl. Mus. 

 f. Albina, pallidissime virenti-hyalina. Rarior. 



L Minor, apice valdc attenuato, acuto, peristomate paulo distinctius 

 labiato, anfr. 13: long. 15, diam. 3^3 mill. (CoII. Rossm. ) 

 Clausilia Schwerzenbachii Parr. in sched. 

 Habitat frcquens in Germania, Helvetia, Britannia; var. c propc 

 Brussa. 



Obs. 1. Huc rcfcrcndao: Cl. cinerascens Crist. et Jaii; Ci. coiisois ol ru- 

 stica Zgl., Cl. triplicala Miihlf, — Conf. CI. fallax Nr. 78 



