153 



anfractum leviter expanse; umbilico parvo, carina obtusa 

 niarginato, hacce carina externam partem canalis angustissirai 

 ad basin columellae efformante. 



Shell subcylindrical, turreted, rather thick, smooth, dull, 

 brown, very finely striated ; apex rather abruptly acuminated ; 

 volutions 6, rather rounded, mth a well marked suture; 

 aperture circular, peritreme discontinuous ; outer lip thickened, 

 reflected, yellowish, interrupted with a very narrow spiral 

 canal at the base of the columella, then rather broader, and at 

 length thinly spread over a part of the last volution ; umbilicus 

 small, bordered with an obtuse keel, which forms the outside 

 ot the very narrow canal at the base of the columella. Found 

 upon trunks of trees, near St. Juan, in the Island of Lucon, 

 by Mr. Cuming. ^ 



175. C. MINUS, (pi. XXX. f. 249.) nob. 



T. ovato-oblonga, cylindracea, tenui, hyaUna,l£evi, spira ob- 

 tusa, apice quasi truncata ; anfractibus 4—5, ventricosis, primis 

 duobus ad 3, minimis, transversim costellatis; apertura circu- 

 lari, pentremate reflexo ; umbilico nullo. 



Shell ovate-oblong, cylindrical, thin, hyaline, smooth, 

 shining, spire obtuse, with its apex, as it were, truncated ; 

 volutions 4-5, ventricose, the first 2—3 very small, trans- 

 versely costellated; aperture circular, peritreme reflected, 

 umbi icus none. Found under decayed leaves in the Islands 

 of Zebu and Panay, by Mr. Cuming. 



