CYLINDRELLA §. 4. 379 



Cylindrella Hanleyana Phil. Icon. IIL 17. p. 7. GyL t. 3. f. 3. 



Habitat in provincia Cumana Venezuelae. 



. Obs. Forma similis C. collari (Nr. 20); diflert anfraclibus vix convexius- 

 cuiis , eleganler costulatis , elc. 



29. C. leucopleura llIcnke./^i/AJ>^'o1(.W.4<1 



T. vix rimata, suiicyimdracea, versus apiCem truncatum 

 alienuata, tenuis, pellucida, nitida, pallide cornea, oblique costata: 

 costis strictiusculis, distantibus, pallidioribus; anfr. 15 convexius- 

 culi, ultimus breviter protractus, basi acute serrato-carinatus, 

 latere dextro subangulatus; apertura subcircularis, basi obsolete 

 angulata; perist. liberum, undique breviler expansum. — Long. 

 ISy^, diam. ^ys mill. Ap. diam. 2 mill. (Goll. Menke.) 



Cylindrella leucopleura Menke in Zeitschr. f. Malak. 18 47. p. 2. 

 — — PM. Icon. m. 17. p. 6. GyL t. 3. f. 2. 



Habitat . . . ? 



30. <J. costata (Brachypus) Guilding. <iV;.i,ji), 



T. subrimata, truncata, cylindraceo-fusiformis, solidula, cdr- 

 neo-fusca, oblique subdistanter costulata; anfr. 9 convexiusculi, 

 ultimus basi subcarinatus, antice vix solutus, latere dextro sub- 

 angulaius; apertura subverticalis, subangulato-circularis; perist. 

 simplex, vix expansum. — Long. 8^2, diam. 3 mill. Ap. diani. 

 2 mill. (Mus. Cuming.) 



Brachypus costatus Guild. in Zooi. Journ. IV. p. 167. *) 



Siphonostoma costata Swains. Malac. p. 168. f. 22. 



Cylindrella costata Pfr.inVhW. Icon. L 8. p. 183. i. 1. L 16. (ex 



Swains. ) et Ibid. U. 1 0. p. 52. t. 2. f. 8. 

 Habitat in arboribus insulae Barbados, 



31. C. pallida (Brachypus) Guilding. ?: fVi^^';'?/. 



T. truncata, fusiformi-cylindracea , tenuis, pellucicla, pallide 

 cornea ; anfr. 9 — 13 planiusculi , confertissime striati et distanter 

 costati (costis subverticalibus, elevatis, medio incisis), ultimus 

 confertius costulatus, solutus, oblique porrectus, latere subangu- 

 latus, basi crenato-carinatus; apertura subverticalis, angulato- 

 circularis; perist. undique expansum. — Long. 8 — 9^2, diam. 

 max. 2^2 mill. Ap. diam, 2 mill. (Coll. Nr. 19.) ' 

 Brachypus pallidus Gnild. in sched. originar. 

 Siphonostoma costata Swains. Mal. p. 333. f. 97 c. d. (auct.) 

 Cytmdrella pallida Pfr. in Phil. Icon. II. 10. p. S2. t. 2. f. 14. 

 Habitat in India occideutali. 



*) T. fusca, apice saepe decoliata , longitudinaliler oblique coslala, anfracli- 

 bus undecim? — Long. 4 Vj , diam. 1 %'". (Guild. i. c.) 



