CYLINDRELLA §. 2. 3. 565 



Cylindrella aspera Adams Contrib. to Conch. N. 2. p. 21. 

 Habitat in insula Jamaica. 



6. brevis Pfr. (Coll. 5. — Desh. in Ft5r. hist. H. 

 p. 226. N. S. t. -164. f. 10 — 12. — Thaumasia 

 Alb. p. 207.) Mon. H. p. 371. 



7. C. abbreviata Deshayes. 4* 



T. elongato-cylindrica, truncata, apiceobtusa, tenuis, pal- 

 lide fulva, basi zonula diluta rubro- violacea ornala; anfr. 6 

 planulati , angusti , lente crescentes , tenuissime et oblique striati, 

 striis pliciformibus ; ultimus anfractus soiutus, basi riraatus, 

 convexiusculus. carina obtusissima basi circumdatus; apertura 

 circularis; perist. continuum, tenue, late reflexum. — Long. 

 14, diam. 5 mill. (Dh.) 



Cylindrella abbreviata Desh. in Fer. hist. IL p. 226. N. 6. t. 



164. f. 13 — 15. 

 Habitat in insula Jamaica? 



Obs. Nonne praecedentis varietas? 



8. C. ovata Deshayes. ^ 



T. ovato-cylindracea , brevis, fragilis, rosea, extremitatibus 

 attenuata, in medio inflata; anfr. 7 planissimi, conjuncti, con- 

 fertissime striati, ultimus brevissimus, basi earinatus, solutus; 

 apertura alba, oblique porrecta; perist. tenue, album, refle- 

 xum, continuum. — Long. 20, diam. 8 mill. (DIi.) 



Cylindrella ovata Desh. in Fer. hisi. IL p. 227. N. 7. t. 164. f. 7 — 9. 

 Habitat in insula Jamaica. 



Obs. Haec etiam C. brevi (pervariabiii!) nimis affinis videtur. 



§. 3. 



9. faseiata Chemn. ( Cerion decapitatum Bolt. Mus. 



p. 90. N. f172. Ed. sec. p. 64.) Mon. H. p. 369. 



10. C. serieea Pfr. 



T. profunde rimata , subcylindracea, truncata, solidula, 

 subtilissime striatula, sericea, diaphana, hyalino-albida, superne 

 fuscescens; sutura aIl)ofiIosa; anir. supersl. 9 angusti, subae- 

 quales, vix convexiusculi, ultimus non protractus, basi carina 

 funiformi munitus; apertura subobliqua, fere circularis, basi 

 canaliculata; perist. album, expansum, reflexiusculum, superne 

 affixum. — Long. 26, diam. 8% mill. Ap. c. perist. 6V2 milL 

 longa, 7 lata. (Mus. Cuming.) 



Cylindrella sericea Pfr. in Proc. Zool. Soc. 18 49. p. 13 4. 

 Habitat in insula Haiti. 



