578 CYIJNDRKLLA §. 9. 10. 



75. C. Ru§:eli Shuttleworth. 



T, non rimata, fusiformis, gracilis, integra, oblique con- 

 fertim filoso-striata, opaca, carneo-alba; spira subulata, apice 

 cornea, acutissima; anfr. 15 convexiusculi, ultimus teres, liber, 

 deorsum protractus; apertura obliqua, parvula, subcircularis; 

 perist. undique brevissime expansum. — Long. 10, diam. 2 

 milK Ap. IV2 mill. diam. (Coll. Nr. 44.) 



Cylindrella Rugeli Shatiloworth in Bern. Miitheil. ISo^i. Dec. 

 p. 297. 

 Habitat in insula Cuba. 



§. 10. 

 76. C. Riisei Pfr. 



T, non rimata, cylindraceo-subulata, tenuis, costis sub- 

 distantibus, obliquis, subtilibus, prope suturam validis sciilpta, 

 pallide cornea; spira integra, gracillima, sursum sensim at- 

 lenuata, apice acuta; sutura levis, costis excurrentibus nodi- 

 fera; anfr. 19 planiusculi, ultimus antice confertius rugoso- 

 costatus, longe solutus, descendens, basi carinatus; apertura 

 obliqua, subcircularis, basi subangulata; perist. continunm, 

 undique breviter expansum, reflexiusculum. — Long. 13, diain. 

 vix '2V2 milL Ap. vix 2 mill. diam. (Coll. Nr. 43.) 



Cylindrella Riisei Pfr. in Zeilsclir. f. Malak. t852. p. t33. 

 Habitat in insula Portorico (Riise). 



77. C. cinerea Pfr. 



T. non rimata, gracilis, cylindraceo-subulata, truncata, 

 oblique subarcuatim costulata (costulis in anfractibus inferiori- 

 bus fortioribus, subplanis), opaca, cinerea; anfr. superst. 12 

 planiusculi, ultimus solutus, descendens, superne subsulcatns, 

 basi obsolete carinatus; apertura circularis, intus nitide casla- 

 nea; perist. continuum, album, acutum, breviter expansum. 

 — Long. 14, diam. infra medium 2% mill. Ap. fere 2 mill. 

 diam. (Coll. Nr. 46.) 



Cylindrella cinerea Pfr. in Zeilschr. f. Malak. 1850. p. 75. 

 Habitat in insula Cuba. 



7S. C. Morini Morelet. 



T. non rimata, cylindraceo-turrita, gracilis, truncatula, 

 tenuis, compresse coslata , pallide cornea; anfr. superst. 14 — 16 

 convexi, ullimus subtetragonus, basi compresso-carinatus, obli- 

 que deorsum protractus; apertura vix obliqua, rotundata, la- 

 tere et basi subangulata; perist. conlinuum, album, circulare, 

 undique late expansum. — Long. 12 — ISV^, diam. 2V3 mill. 

 Ap. 2 mill. longa et lata. (Coll. Nr. 47.) 



