564 CYLINDRELLA §. 1. 2. 



tt Slnislrorsae §. 7. Nr. 65 — 67. 



p. Anfraclu ultimo soluto, gracili, de- 

 scendente. (Trachdia Pfr.) 



\. Laevigatae §. 8. — 68 — 70. 



2. Striatae §. 9. — 71—75. 



3. Costatae §. 10. — 76 — 80. 



b. Spira in conum brevem desinente . . . §. H . — 81 — 85. 



B. Peristomafe subinterrupto. 



d. Subcylindricae §-12. — 86 — 95. 



h. Bulimiformes §• 13. — 96 — 100. 



n. Umbilicatae. (Diaphera Alb.) §.14.-101. 



1. Liebmannl Pft*. (Coll. 1. — Thaumasia Alb. 



p. 207.) Mon.H. p. 370. 



2. Gruneri Dunk. (Coil. 2. — Thaumasia Alh. 



p. 207.) - -- 370. 



3. C. Menkeana Pfr. 



T. breviter rimata, oblongo-ovala, superne in conum acu- 

 tiusculum, plerumque subtruncatum producta, subtilissime ar- 

 cuato-striata, sublaevigata, nitida, alba, strigis irregularibus 

 corneis ornata; sutura levis, plicatulo-crenata; anfr. (testae in- 

 tegrae 14, truncatae) 9 — 10 vix convexiusculi, ultimus angu- 

 stior, basi compresse filocarinatus, anlice vix solulus; aperlura 

 subobliqua, subcircularis, plica levi columellae subcoarctata; 

 perist. continuum, undique breviter expansum, reflexiusculum, 

 superne vix liberum. — Long. (trunc.) 31, diam. supra medium 

 12 mill. Ap. c. perisL 9 mill. longa et lata. (Coll. Nr. 3.) 



Cylindrella Menkeana Pfr. in Proc. Zool. Soc. 1852. 

 Habitat in insula Haili (Sall6). 



§• 2. 

 4. hyalina Pft* Mon. IL p. 369. 



5. C. aspera Adams. 



T. breviter rimata, ovato-subcylindrica, truncata, tenuius- 

 cula, confertim et oblique costulato-striata, subdiaphana, roseo- 

 albida; spira sensim attenuata; anfr. superst. 9 — 10 convexi, 

 ultimus breviter et fere horizontaliter protractus, supra basin 

 filoso-carinatus; aperlura subverticalis, subrotundata, superne 

 dilatata, basi non canaliculata; perist. tenue, undique expan- 

 sum et reflexum. — Long. 2-3, diam. 7^2 mill. Ap. 6 mill. 

 longa, GYa lata. (Coll. Nr. i.) 



