125 



broad, spirally striated within ; operculum horny, thickish, 

 externally somewhat lamellar, internally smooth and shining. 

 97. C. Desmoulinsii. (pi. xxv. f. 97.) Grat. 



T. suhorbiculari, depressiuscula, tenuiuscula, pallescente, 

 strigis plurimis irregularibus fuscis spiraliter picta, spira 

 brevi, anfractibus 4£, rotundatis, leviter spiraliter striatis, 

 rapide crescentibus, ultimo maximo ; sutura tenui, angusta ; 

 apertura fere circulari, postice subangulata ; peritremate 

 angusto, reflexo, prope ultimum anfractum subexpanso ; 

 umbilico magno. 



Shell nearly orbicular, rather depressed, thinnish, of a pale 

 colour, marked with numerous irregular brown spiral 

 streaks, spire short, volutions 4^, rounded, smooth, finely 

 spirally striated, increasing rapidly, the last being much 

 larger than the former ; suture rather indistinct ; aperture 

 almost circular, rather angular posteriorly ; peritreme narrow, 

 reflected, a little spread over the last volution ; umbilicus 

 large. In several collections, locality unknown. 



98. C. linguiferum. (pi. xxix. f. 198.) nob. 



T. suborbiculari, subconica, crassa, pallescente, maculis 

 saturate brunneis angulatim variegata ; spira subacuminata, 

 submamillari, anfractibus quatuor, rotundatis, laevibus, spiral- 

 iter obsolete striatis ; apertura magna, orbiculari, peritremate 

 incrassato, subreflexo, labio interno linguam latam efformante, 

 umbilicum partim tegente. 



Shell nearly orbicular and globosely conical, thick, of a 

 pale colour, angularly varied with dark brown, spire some- 

 what acuminated, slightly mamillary, with four rounded, 

 smooth, obsoletely spirally striated volutions ; aperture large, 

 orbicular, peritreme thickened, slightly reflected, columellar 

 lip forming a broad tongue-shaped process, which partly 

 covers the umbilicus. 



Found under decayed leaves in the Island of Bohol, by 

 Mr. Cuming. 



99. C. Philippinarum. (pi. xxix. f. 205, 206, 207.) 

 nob. Zool. Proc. 1842, p. 83. 



. T. globoso- conica, pallida, fusco-marmorata ; spira sub-- 

 acuminata, anfractibus 5 subrotundatis, superne longitudi- 

 naliter sulcatis, ultimo infra kevigato ; ajierturu subrotunda, 

 peritremate obtuso, reflexo, superne producto, latere umbilici 

 subsinuato ; umbilico parvo ; operculo tenui, corneo, leevi. 

 Shell globosely conical, of a pale colour, marbled with 



Q 



