144 



a notch on the columellar side close in front of the umbilicus, 

 thickened and reflected over the umbilicus so as completely 

 to cover it. Collected by D'Orbigny, in Cuba. 



148. C. Baxksianum. (pi. xxix. f. 194.) nob. 



To ovato-pyramidali, tenuiuscula, pallescente, aurantiaco- 

 brunnea pallide strigata , apice decollato ; anfractibus 3 ad 4, 

 rotundatis, tenerrime transversim striatis, striis paululum 

 undulatis ; sutura distincta, crenulata ; apertunl magna^ circu- 

 lari, aurantiaco-brunnea, jjeritremate duplici, interno tenui, 

 paululum levato, externo angusto, reflexo, prope ultimum 

 anfractura discontinuo ; umbilico mediocri, spiraliter striato. 



Shell ovately pyramidal, rather thin, of a light colour, with 

 pale orange-brown stripes ; apex decollated; volutions 3 — 4, 

 rounded, very finely transversely striated, the striae slightly 

 undulated ; suture distinct, crenulated; aperture large, circular, 

 orange-brown, with a double peritreme, inner peritreme thin, 

 slightly raised, outer narrow, reflected, not continuous over the 

 last volution ; umbilicus middling, spirally striated. From 

 Manchester Mountains, Jamaica ; named in honour of Miss 

 Banks, of Doncaster. 



149. C. XAXTHOSTOMA. (pi. xxix. f. 195.) nob. 



T. oblongo-turrita, crassiuscula, cinereo-rufescente, apice 

 decollato, anfractibus 4 ad 5, rotundatis, transversim tener- 

 rime striatis, et spiraliter sulcatis, nonnunquam transversim 

 tenuiter sulcatis, sulcis distantibus ; sutura profunda ; apertura 

 subcirculari, peritremate duplici, aurantiaco-rufescente, interno 

 simplici, tenuiusculo, externo latiori, reflexo, tenuiter subun- 

 dulato ; umbilico mediocri. 



Shell oblong, turreted, thickish, reddish-gray, apex decol- 

 lated ; volutions 4 to 5, rounded, very delicately transversely 

 striated, and distinctly spirally grooved ; sometimes also with 

 slender, rather distant transverse grooves (apparently marking 

 short periods of growth ; ) suture deep ; aperture nearly circu- 

 lar, peritreme double, reddish-orange, inner peritreme simple, 

 thin, outer broader, reflected, very slightly undulated, 

 umbilicus moderate. Savannah la mer, Jamaica. 



150. C. AUBEREANUM. (pi. xxxi. f. 285.) jyOrb. C\ 

 crenulatum. Pf. 



T. oblongo-pyramidali, crassiuscula, albicante, fusco angu- 

 latim lineolata, apice decollato ; anfractibus 4, subrotundatis, 

 spiraliter striatis, eleganter decussatis ; sutura crenulata ; 

 apertura subelliptica, postice subangulata, peritremate subre- 

 flexo ; umbilico parvo, striis validioribus ; operculi anfrac- 

 tibus 2. 



