476 CLAUSILIA §. 18. 



192. Cl. nigricans (Turbo) Pulteney. 



T. vix rimata, cylindraceo-fusiformis, solida, subtilissime 

 striato-costulata, sericina, nigricanti-castanea, plerumque albido- 

 strigillata; spira sensim attenuata, apice acutiuscula ; anfr. iO — 

 11 convexiusculi, ultimus basi subsulcatus, breviter cristatus; 

 apertura pyriformis, magis minusve oblonga, saepe basi sub- 

 canaliculata; lamella supera marginalis, infera introrsum bifurcala 

 vel ramosa ; lunella distincta ; plica palatalis 1 supera , altera e 

 callo palatali Iransverso exiens (saepe obsoleta), subcolumellaris 

 emersa; perist. continuum, breviter solutum , reflexiusculum. — 

 Long. 13, diam. 3'/! miil. Ap. 3 milL longa, 2 lata. (GoII. Nr. 139.) 

 Turbo nigricans Pult. cat. Dors. p. 46. 



— — Dillw. descr. cat. K. p. 875. N. 143? 



— hidens Mont. test. brit. p. 357. t. H. f. 7. 

 Clausilia dubia Drap. hist. p. 70. t. 4. f. 10?*) 



— — Xaw. ed. Dh. 28. p. 209?**) 



— — Graij 3Ian. p. 216. t. 12. f. 143. 



— rugosa C. Pfr. L p. 63. t. 3. f. 30. 



— — Forst. in Nov. Act. Leop. XIX. P. IL p. 279. 



t. 58. f. 9? 



— obtusa Rosstn. VII. p. 19. f. 482. 



— nigricans Jeffr. in Linn. tr. XVL p. 351. 



— — Graij Man. p. 217. t. 5. f. 58. 



— crassida Pot. et Mich. gaL L p. 180. t. 18. L 9. 10? 

 Odostomia nigricans Flem. in Edinb. Encycl. ( Gray. ) 

 Andraea dubia Hartm. in sched. 



/?. Lamella infera distincte cruciatim biramosa. (Htm.) 

 Clausilia cruciata Stud. Verz. p. 20. 



— — Charp. cat. moli. Suisse p. 17. t. 2. L 9.? ***) 



— plicatula /9 Hartm. in Neue Alpina I. p. 216? 

 Helix cruciata (Cochlodina) Fer. pr. 542? 



y. Major, Hneis impressis, conferlis distincte reticulata: long. 13, diam 

 3^2 milL Ap. 3 mill. longa. 2 lata. (Spec. ) 



Clausilia undulata Parr. in sched. 

 J. Major, remotius slriata (Htm.) 



Helix roscida Stud. in Coxe travels. 



Clausilia roscida Stud. Verz. p. 20. 



— plicatula d Hartm. 1. c. p. 216. 



*) T. cornea fusca , striala; apertura ovata; columella bilamellata ; fauce 

 subcoarctata. — Paulo m>nor quam Cl. solida. (Drap. 1. c. ) 



**) T. elongato-fusiformi, fusca, cornea , striata; anfr. conve.xiusculis, ullimo 

 superne sulco bipartito; apertura ovato-pyriformi, alba, columella bilamellata , 

 labiis continuis , reflexis. — Long. 13, diam. 3 mili. — Intermedia inter Ci 

 rugosam et venlricosam. (Desh. 1. c.) 



***) T. cornea, fusiformi, abbreviata, striata; columella bilamellata, lamellis 

 convergentibus. — Rochers calcaires des bains de Loesch. (Charp. 1- c. ) 



