﻿C Y L I N 1) R E L L A. 



Species 128. (Mns. Brit.) 

 Cylindrella sexdecisiahs. Cyl. testa gracUlima, 

 fusiformi, fulvd, tenia, semipellucidd, Icuvigatd ; 

 anfrMtibus sexdecenis, convexis ; apicali glohoso, 

 sequentihiis senis attenuatis, mediants inflatis, 

 ultimo longisdme oblique soluto, striato ; aperturd 

 distanti, rotunda, margiiie crasso. 

 The sixteen-wuokled Cvlindreli-a. Shell very 

 naiTow, fusiform, fulvons, thin, semipellucid, 

 smooth ; whorls sixteen, convex ; apical snbglo- 

 bose, six following attenuated, middle inflated, 

 last with a long piece uncoiled, striated ; aper- 

 ture distant, rounded, margin thick. 

 JiMENO. MS. Pffr. Mon. Vol. VI. p. oH-i. 

 Hah. Bermeja vieja, Cuba. 



The variegation spoken of in the original descrip- 

 tion is not perceptible in the British iluseum 

 specimens. 



Species 129. (Mus. Brit.) 



Cylindrella apiostoma. Cijl. testd gracilUmd, sub- 

 cijUiiilricd, fulvd; cnfractibus octodecenis, supra 

 incdinm attenuatis, infra siiba'qnalihtis, nltitno 

 distarto, striato, soluto ; aperturd subdisfanti, suh- 

 trigond, superni lata, infra subcontractd. 



The DESCENDraG-MODTHED Cylindkeixa. Shell very 

 slender, subcylindi-ical, fulvous; whorls eighteen, 

 attenuated above the middle, nearly equal, last 

 distorted, striated, uncoiled ; apertnre rather 

 distant, subtrigonal, broad above, rather con- 

 tracted below. 



Pfeiffer. Mon. IV. p. 703. 



Bab. Cordova, Mexico. 



Species 130. (Mus. Brit.) 

 Ctlindrella gracillima. Cyl. testd gracilUmd, fulvd, 

 prope apicem coniraetd, supra medium subinflatd, 

 medio et infra subcontractd ; ultimo anfractn vhni. 

 gato, infra attenuato, perobliqni soluto; aperturd 

 latd, margine suhexpanso. 

 The very slender Cylindkella. Shell very thin, 

 fulvous, contracted near the ape.K, somewhat 

 inflated above the middle, rather contracted at 



and below the middle; last whorl elongated, 

 attenuated below, very obliquely unwound ; aper- 

 ture broad, margin a little expanded. 



POEY. Pfeiflfer, Mon. III. p. 57G. 



Hah. Cuba. 



The swelled portion of this narrow shell is above 



the middle of the lengthened spire. 



Species 131. (:Mus. Brit.) 



Cylindrella varikhata. f '///. trsi.l lirfriii^mht, Intl- 



usculd, C!/Uu,!r,.;i Inun'trr /;n-,h!,f„!rd ct .vy,&n«, J, 



ohliqut' fasciis fii.<i-i.-^ i;irii_'t/ald 

 mrdluiii graihilu.i (ilt.'ninih'.-;, vl/i 



h;:dih„s 



,t,,,l„ 



ltd, nJ.h 



soluto: aprrtard siihdis/iuili, 

 gin,' suhrotmuh. 



The variegated Cymnphki.i.a. Shell rather short, 

 rather broad, cylindrical, finely ridged, fulvous 

 and pinky, variegated with oblique brown 

 bands ; permanent whorls nine, moderately con- 

 vex, gradually attenuated above the middle, last 

 notched, shortly uncoiled ; aperture rather 

 distant, ovate, oblique, margin rather rounded. 



Pfeiffek. Mon. II., p. 374. 



Uab. Cuba, Florida. 



Species 132. (Mns. Brit.) 



Cylindrella Philippiana. Cyl. testd gruciU, fusi- 

 formi, fnlvd, rnjiihiritn: s,d„list,n,frr, trimitvr 

 COSfatd; anfrnrh'hiis ,.rl,Hl,'rr„ls. njiirfilibils ilijtilfis, 

 glubosis, scqiiriifd,,L< .^r/./rin'.-: nugiiMis, iiitdiauis 

 subiufialis, ultimo snhamtrado, hinge soluto ; 

 aperturd oblique ovatd, margine crasso. 



Philippi's Cylindrella. Shell slender, fusiform, 

 fulvous, regularly, rather distantly, finely ribbed ; 

 whorls eighteen, apical inflated, globose, seven 

 following narrow, middle rather inflated, laKt 

 rather nan-owed, with long unwinding ; aperture 

 obliquely ovate, margin thick. 



Pfeiffer. Mon. II. p. 378. 



CylindreUa aculcus. Morelet. 



Hah. Cuba. 



