XI. Cylindrella Pfeiffer. 



Conspectus specierim. 



A. Genuinae, 

 \. truncatae 



a. ventricosae (pupaefonnes) §. 1. Nr. 1—9. 



h. graciles (clausiliaeformes) 

 M. dextrorsae 



* laevigatae §. 2. — 10 — H. 



** costulato-striatae §. 3. — 4 2 — 21. 



*** costatae §. 4. — 23 — 34. 



/i. sinistrorsae §. 5. — 35 — 36. 



2. integrae, apice conico §. 6. — 37 — 41. 



B. Anonialae, 



1. imperforatae (bulimoideae) §. 7. — 42 — 46. 



2. pervio-umbilicatae §. 8. — 47. 



C. Dubiae §. 9. — 48 — 50. 



1. C. decollata (Pupa) Nyst. 



T. decollata, turrita, basi subventrosa , solidula, sub €pider- 

 mide olivaceo-fusca albida; anfr. 10 convexiusculi , regulariter 

 accrescentes , arcualiin costulato-striati, ultimus vix solutus, dorso 

 carinatus; aperlura obliqua, ovalis, superne angulata, intus plica 

 columellari coarctata; perist. brevissime reflexum. — Long. 69, 

 diam, 19 mill. Ap. 16 mill. longa, 12 lata. (Mus. Cuming.) 

 Pupa decollata Nyst in BuU. Brux. 1841. VIIl. p. 344. f. 2. *) 

 Cijlindrella decoUata Pfr. in Phil. Icon. II. 10. p. 47. t. 2. f. 1. 

 /i. Minor: long. 46, diam. 14 mill. Ap. 10 mill. longa, 9 lata. (Coll. 

 Nr. 1.) " 



*) T. crassa, cinereo-pallida, turriculalo-cylindracea , apice Iruncata , basi 

 subumbilicata; anfr. convexiusculis , strialis; apertura suborbiculari; columella 

 uniplicata; labro reflexo. — Long. 75, latil. 20 mill. (Nyst I. c.) — Figura rudis! 



|,i 



