476 CLAUSILIA §. 18. 



192. Cl. nigricans (Turbo) Pulteney. /^r^-M^r^^l 



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

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

 strigillata; spira sensim attenuata , apice acutiuscula ; anfr. 10 — 

 11 convexiusculi, ultimus basi subsulcatus, breviter cristatus; 

 apertura pyriformis, magis minusve oblonga, saepe basi sub- 

 canaliculata; lamella supera marginalis, infera introrsum bifurcala 

 velramosa; lunella distincta; plica palatalis 1 supera, altera e 

 callo palatali transverso exiens (saepe obsoleta), subcolumellaris 

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

 Long. 13, diam. 3^4 mill. Ap. 3 milL longa, 2 lata. (CoII. Nr. 139.) 

 , Turho nigricans Pult. cat. Dors. p. 46. 



— — Dillw. descr. cat. IL p. 875. N. 145? 



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

 Clausilia dubia Drap. hist. p. 70. t. 4. f. 1 ? *) 



— — Zam. ed. Dh. 28. p. 209?**) 



— — Gra?/ Man. 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 Rossm. VII. p. 19. f 482. 



, — 7iigricans Jeffr. in Liun. tr. XVI. p. 351. 

 - — — Gray Man. p. 217. t. 5. f. 58. 



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

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

 Andraea dubia Hartm. in sched. 



fi. Lamella infera distincte cruciatim biramosa. (Htm.) 

 Clausilia cruciata Stud. Verz. p. 20. 



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



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

 Helix cruciata (Cochlodina) Fer. pr. 542? 



y. Major, hueis impressis, confertis distincte reticulata; long. 15, diam 

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



Clausilia undulata Parr. in sched. 

 ()". Major, remotius striata (Htm.) 



Helix roscida Stud. in Coxe travels. 



Clausilia roscida Stud. Verz. p. 20. 



— plicatula S Hartm. 1. c. p. 2 1 6. 



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

 subcoarctata. — Paulo minor quam Cl. solida. (Drap. 1. c. ) 



**) T. elongato-fusiformi, fusca, cornea , slriata; anfr. convexiusculis, ullimo 

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

 labiis continuis , reflexis. — Long. 13. diam. 3 miil. — Jntermedia inter Ci 

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



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

 convergentibus. — Rochers caicaires des bains de Lofisch. (Charp. 1. c.) 



