﻿C Y L I N D R E I. L A. 



Species 47. (Fig. «, 6, Mus. Sowerby.) 



Cylindukll.^ Ellioti. Ci/l. testa any list issirur cijlin- 

 (tracea, purpureo-fuscd, tuhulis alhis anc/ulafis 

 siiprd medium anj'ractuum promtnentibiis continuis 

 ornatu; an/ractibus numerosis, amjustis ; ulliino 

 lateraliter oblique solutn ; apertui-d remotd, parvd, 

 mbrotundd. 



Elliot's Ctlindhi;ll.\. .shell very narrowly eylimlrical, 

 purple-brown, ornuineiitcd with white angular 

 tubes, prominent above the middle of the whorls ; 

 whorls numerous, narrow ; last laterally obliquely 

 uncoiled ; aperture remote, small, rather round. 



PoEY. Mem. Cuba. 



Ilah. Cuba. 



ornalil .tupn'i medium iuflatd : anfractibus JS, vix 

 convexis; suturd pnifundu excavald ; ultimo nn- 

 fractu angusto, crenulatim carinato, infrcb carinam 

 concavo, medio rimalo ; apcrtura subquadrald, 

 margine expanso. 



The akched Cylindrella. Shell short, ventricose, 

 ornamented with thin, rather distant elegantly 

 curved ridges ; inflated above the middle ; whorls 

 eight, scarcely convex, with deeply excavated 

 suture ; last whorl narrow, crenulated, keeled, 

 concave below the keel, notched in the middle ; 

 ajicrture rather .square, w-ith expanded margin. 



Wkini.ani. axi. Maihtn-s. Malak. Rl. vi. isr.'j. 



Ilah. Haiti. 



tubes or hollow vari 



, continued from whorl 

 hell make it a rruuirk- 



Spccics 48. (Mus. Sowerby.) 



Cylindrell.\ Piloceui. Cijl. testa std)C<-erulen-albd, 

 tenuiter liratd, pupffjbnni, medio et infra recta, 

 siiprd meilium injlatd, indu versus apicem con- 

 trartd, mifractihus numerosis, angustis, ultimo 

 jiarro. inj'rd angnlato, itifrd angulum hevigato, 

 medio rimato ; apcrtura proxiuid, maju.tculd, siipenie 

 subquadratd. 



Pilocere's Cylindrella. Shell bluish-white, finely 

 ridged, pupa-shaped, straight at the middle and 

 below ; inflated above the middle, thence con- 

 tracted towards the apex; whorls numerous, 

 narrow ; the last small, angular below, smooth 

 below tlie angle, notched in the middle ; aperture 

 near, rather large, rather square above. 



Pfeiffer. Chem. p. (U, >Ion. ii. 382. 



JIab. Mexico. 



Species 40. (Mus. Sowerby.) 

 Cylindrf.lla arcuata. Ci/l. testd brevi, ventricosd, 

 liris te7iuibus, subdistaidibus, eleganler arcuatis 



Species 50. (Mus. Sowerby.) 

 Cylindrella Sauvalliana. Cyl. testd Ifcvigald, fusm- 



corned, august!', cylindricd, prop'e apicem pijrami- 



dald; anfractibus allis, infrd, lined rubrd angu- 



latd ; apcrtura proximd, magna, margine tenui, 



expanso. 

 Sauvalli's Cylindrella. Shell smooth, horny-browu, 



narrowly cylindrical, pyramidal near the a])ex ; 



whorls elevated, belted below with a red line ; 



aperture near, large, margin thin, expanded. 

 GuNDLACii. Chem. p. 64, PfFr. Monog. iv. 710. 

 Hub. Cuba. 



A smooth elevated species wi 

 the bottom of the whorls partly 



pretty red line at 

 len by the suture. 



Species 51. (Mus. Sowerby.) 

 Cylindrella Walpolei. C^/l. testd magna, ejridcrmide 

 olivaceo-fusco indutd, cyiindraceo-subjyt/ramidatd, 

 tenuiter oblique striata, anfractibus altis paulo 

 convexis; ultiuio declivi, versus axem angustatd, 

 post apcrturam profundi rimato ; aperturd paulii 

 la.ratd, perpendiculaiiter ovatd, columelld unipli- 

 catd. 

 Wali'Ole's Cylindrella. Shell large, covered with an 

 olive-brown eijidermis, cylindrically subpyrami- 



April, 



