GYLINDRELLA §. 5. 6. 381 



obliqua; anfr. 6 — 10 lali, convexiusculi, ultimus breviter solutus, 

 basi carinatus ; apertura subcircularis ; perist. undique late expan- 

 sum. — Long. (spec. trunc. 8 anfr.) 26, diam. 4^4 mill. Apert. 

 c. perist. 6 mill. longa, 573 lata. (Coli. Nr. 21.) 



Turho elongatus Chemn. IX. P. 1. p. H 4. t. H2. f. 956. 



Helix Chemnitziana (Gochlodina) Fer. pr. 512. 



Pupa Chemnitziana Gray in Ann. of Phil. New ser. IX. p. 413. 



— gracilis Sow. Gen. of shells f. 8. 



— — Reeve Conch. syst. t. 170. f. 8. 

 Clausilia Chemnitziana Lam. ed. Desh. 43. p. 217. 

 Apoma elongata Beck ind. p. 89. N. 1. 



Balea Chemnitziana Villa disp. syst. p. 25. 

 Cylindrellu Chemnitziana Pfr. Symb. 11. p. 136. 



— — Phil. Icon. II. 10. p. 49. t. 2. f. 4. 



— Cumingii Adams in Proc. Bost. Soc. 1845. p. 14. *) 

 Habitat in insula Jamaica. 



36. C. gracilis (Turbo) Wood. 



T. sinistrorsa, plerumque Iruncata, cylindraceo-subulata, 

 tenuis, oblique undulato-striata, pellucide albida; sutura obliqua; 

 anfr. 9 — 10 lati, vix convexiusculi, ultimus vix solutus, basi 

 carinatus; apertura oblonga, basi effusa; perist. undique breviter 

 expansum. — Long. (spec. non truncati, anfr. 16) 26, diam. 

 4 mill. Ap. 4 mill. longa, 3 lata. (CoII. Nr. 22.) 



Turbo gracilis Wood snppl. t. 6. f 38. 



Clausilia gracilis Gray in Wood suppl. p. 34. 



Cylindrella Chemnitziana? Pfr. in Phil. Icon. I. 8. p. 1 84. t. 1 . f 3. 



— gracilis Pfr. in Phil. Icon. II. 10. p. 49. t. 2. f. 5. ■ 

 Habitat in insula Jamaica. 



Obs. In hac sectione conferatur C. Humboldliana var. fl. (Nr. 14.) 



§■ 6. 



37. C. teres Menke. 



T. breviter rimata, cylindracea, solidiuscula, sublaevigata, 

 opaca, nitens, candida; spira elongata, integra, apice obtuse co- 

 nica; anfr. 14 subaequales, vix convexiusculi, ultimus confertim 

 costulato-striatus , antrorsum brevissime protractus, superne sub- 

 carinatus, basi obsolete angulatus; apertura fere verticalis, pyri- 



*J T. magna , candida , subfusiformi, iongissiina , lieteroslropha , coslulis mi- 

 nimis obliquis regularibus rolundatis creberrimis ornata , late decollata ; anfr. 1 

 vel 11 perciilis . superis perconvexis; anfr. reliquis 8 vel 9; aperlura eiliptica, 

 in faucibus valde contracta, in labrum latissimum acuium expansa ; anfr. ultinio 

 carina semi-revolvente aperturam subefTusam faciente, instructo. — l)iv. supra 

 10». Long. tol. 1,4, posl decoll. 1,15, lat. 0,19 poll. (Ad. 1. c.) 



