578 CYLINDRELLA §. 9. 10. 



75. C. Rugeli 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 

 milL Ap. IV2 inill. diam. (GolL Nr. 44.) 



Cylindrella Rugeli Shuttleworth in Bern. Miitheil. 1852. 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 sculpta, 

 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; aperlura 

 obliqua, subcircularis, basi subangulata; perist. continuum, 

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

 vix 2V2 mill. Ap. vix 2 miil. diam. (ColL Nr. 45.) 



Cylmdrella Riisei Pfr. m Zeilschr. f. Malak. 1852. p. 133. 

 Habitat in insula Portorico (Riise). 



77. C. cinerea Pfr. 



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

 oblique subarcuatim costulata (costulis in anfractibus inferioti- 

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

 pianiusculi, ultimus solutus, descendens, superne subsulcalus, 

 basi obsolete carinatus; apertura circularis, intus nitide casta- 

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

 — Long. 14, diam. infra medium 273 niill. Ap. fere 2 mill. 

 diam. (CoH. Nr. 46.) 



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

 Habitat in insula Cuba. 



78. C. Morini Morelet. 



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

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

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

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

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

 undique late expansum. — Long. 12—13^2, diam. 2^3 milL 

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



