CYLINDllELLA §. 4. 379 



CijlmlreUa Hanlei/ana Phil. Icon. III. 17. p. 7. Cyi. t. 3. f. 3, 



Habitat in pi'oviiicia Cumann Yenezuclae. 



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

 oulis, eleganter costulatis, etc. 



29. C. leucopleura Menke. 



T. vix rimata, subcylindracea, versus apicem truncatuin 

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

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

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

 latere dextro subangulatus; apertura subcircularis, basi obsolete 

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

 1372, diam. 273 mill. Ap. diam. 2 mill. (Coll. Menke.) 



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

 — — Phil Icon. III. 17. p. 6. Cyl. t. 3. f. 2. 



Habitat.. .? 



30. C. costata (Brachypus) Guilding. 



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

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

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

 angulatus; apertura subverticalis, subangulato-circularis; perist. 

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

 2 mill. (Mus. Cuming.) 



Brachypiis costatus Guild. in Zool. Journ. IV. p. I 67. ^) 

 Siphonostoma costata Sivains. Malac. p. 168. f. 2 2. 

 Cylindrella costata Pfr. in Phil. Icon. I. 8. p. 183. t. I. f. 16. (e\ 



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

 Habitat in arboribus insulae Barbados, 



31. C. paUida (Braehypus) Guilding;. 



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

 cornea ; anfr. 9 — i 3 planiusculi , confertissime striati et distanter 

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

 confertius costulatus, solutus, oblique porrectus, latere subaneu- 

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

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

 max. Sy^ milL Ap. diam. 2 mill. (Coll. Nr. 19.) " 

 Brachypus pallidus Gidld. in sched. originar. 

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

 Cytindrella pallida Pfr. in Phii. Icon. II. 10. p. 52. t. 2. f. U. 

 Habitat in India occideutali. 



*) T. fusca, apice saepe decollata , longiludinalitor oblique coslala, aiifracli- 

 bus undecim? — Long. 4 '/2 , diam. t y./". (Guild. I. c.) 



