GYLINDRELLA §. 5. 6. 573 



45. collaris Fer. (Coll. 27. — Desh. 1. (;. p. 231. 



N. U. — Mychostoma Alb. p. 208.) Mon. II. p. 375. 



46. C. inornata Adams. -{< 



T. subovata vel fusiforniis, elongata, lineis arcuatis, pro- 

 minentibus, non confertis sculpta , antice subbicarinata , albida; 

 apex truncatus; anfr. superst. 8 — 9 convexi, ultimus solutus 

 et produclus; apertura subcircularis, latere dextro subangu- 

 laris; perist. subincrassatum, angustum, reflexiusculum. — 

 Long. 0,38; lat. 0,11 poll. (A.) 



Cylindrella inornata Adams Gontrib. to Conch. N. 2. p. 22. 

 Habitat in insula Jamaica. 



47. C. simplex Adams. •{• 



T. subovata vel fusiformis, modice elongata, peroblique 

 leviter striata, albida; apex truncatus; anfr. superst. loy^con- 

 vexi, ultimus subprotractus, basi subacute, supra medium ob- 

 tuse carinatus; apertura basi et raedio lateris dextri angularis; 

 perist. tenue, acutum, angustum, modice reflexum. — Long. 

 0,315; lat. 0,1 poU. (A.) 



Cylindrella simplex Adams Contrib. to Conch. N. 2. p. 22. 

 Habitat in insula Jamaica. 



48. C. humilis Adams. ^ 



T. subcylindrica , sursum attenuata, truncata, lineis ele- 

 vatis subtilibus, substrictis, aequidistanlibus, obliquis, nume- 

 rosis sculpta, pallide cornea; antr. superst. 8 — 8^^ perconvexi, 

 ultimus antice subangularis, vix a penultimo protractus; aper- 

 tura orbicularis, majuscula; labrum tenuissimum, modice re- 

 flexum et dilatatum. — Long. 0,2; lat. 0,05 poll. (Ad.) 



Cylindrella humilis Adams Contrib. to Conch. N. 7. p. 101. 

 Habitat in insula Jamaica. 



49. reoticosta Pfr Mon. II. p. 369. 



50. C. filicosta Shuttleworth. 



T. rimata, subcylindracea, truncata , tenuiuscula, costis 

 longitudinalibus filiformibus subdistantibus, interstitiisque lineis 

 confertis spiralibus sculpta, fuscula; anfr. superst. 12 subae- 

 quales, convexi, ultimus breviter vel non solutus, teres, linea 

 elevata basali obsolete subcarinatus; apertura subverticalis, 

 oblique ovalis, intus carneo-fusca ; perist. undique breviter ex- 

 pansum. — Long. 24, diam. 7 mill. Ap. oblique 7 mill. longa. 

 (Mus. Cuming.) 



