CYLINDRELLA §. 3. 375 



Piipa obtorta Menke in liit. olim. 



— elegans Gould in Bost. Journ. IV. p. 490. 



— (Siphonos(oma) lituus Gould m Bost. Journ. IV. \. 1842. 

 Balea truncatula Villa disp. syst. p. 25. 



fi. Minor, ventrosior, anfractu ultimo interdum vix protracto: long. 12 



— 13, diam. 4 — 4/4 mill. 

 y. Testa pallide cornea. 



Ilabiiat in insula Cuba! Frequenlissima circa Matanzas, EI Fun- 

 dador etc. 



b s. Spira juniorum turrito-subulala. Rarissima sunl specimina adulta 

 non truncata, anfractuum 20 — 21. — Columella in testa fracta acute biplicata. 



18. C. alabastrina Pfr. 



T. truncata, exacte cylindrica, oblique et confertim eleganter 

 costulato-striata , alabastrina, apice vix attenuato nigricans; anfr. 

 15 planati, ultimus porrectus, basi acute carinatus; apertura sub- 

 circularis, basi canaliculata ; perist. undique expansum, subre- 

 flexum. — Long. 15, diam. 3% miU. Ap. ^'/j milL longa. (Mus. 

 Brit.) 



Cylindrella alabastrina Pfr. in PhiL Icon. IL 10. p. 52. 

 Habitat in insula Jamaica. 



19. C. subula (Helix) Ferussac. 



T. truncata, gracilis, subcyhndrica , sursum attenuata, omi- 

 que confertissime costulato-striata; paliide cornea; anfr. 17 an- 

 gusti, convexiusculi, ultimus breviter et oblique protraclus, basi 

 acute carinatus, latere dextro angulalus; apertura obliqua, sub- 

 quadrangularis; perisL undique expansum, reflexiusculum. — 

 Long. 14, diam. 2^3 mill. Ap. diam. 21 mill. (CoIL Nr. 13.) 



Helix subula (Cochlodina) Fer. pr. 508. Hist. t. 163. f. 8. 



Clausilia subula Lam. ed. Desh. 41. p. 216. *) 



Brackypodella subula Beck ind. p. 89. N. 3. 



Cylindrella subida Pfr. in Wiegm. Arch. 1840. I. p. 4 1 

 — — Phil. Icon. IL 10. p. 50. t. 2. f. 13. 



Habitat in insula Jamaica. (Gosse in Mus. Cuming.) 



20. C. collaris (Helix) Ferussac,/^.'^/?3,.i^'-'':>/i<'"" 



T. fusiformi-subulata , oblique striata, rufescens vel cornea; 

 autr. 12 — ISconvexi, ultimus basi compresso-carinatus, latere 

 subangulatus, magis minusve protractus; apertura subquadrangu- 



*) T. elongato-turrita , apice acuta, cylindracea, angusta, tenui , fragili , te- 

 nuissime slriata (diaphana , pallide fusca); anfraclibus convexiuscuiis, ultimo 

 basi angulato detecto producto; apertura obliqua , alba, subcircuiari; labiiy re- 

 flexis. — Long. 18 mill Apert suJjquadrangularis. (Desh. I. c.) 



