128 



epidermis ; aperture circular, peritreme double, whitish, 

 forming a very small notch at the upper or posterior extremity ; 

 umbilicus rather large ; operculum thin, horny, multispiral. 



Found under decayed leaves in the Island of Bohol, by 

 Mr. Cuming. 



104. C. clausum. (pi. xxxi. f. 266, 267.) nob. 



T. subglobosa, crassiuscula, lsevi, albicante, postice fulves- 

 cente, spira brevi, subdepressa, apice obtuso ; anfractibus 3$, 

 subrotundatis, postice spiraliter striatis ; apertura subcirculari, 

 postice subacuniinato, peritremate tenui, subreflexo, latere 

 umbilicali crassiusculo, rotundato, umbilicum claudente. 



Shell subglobose, thickish, smooth, whitish, rather fulvous 

 at the obtuse apex of the rather depressed, short spire ; 

 volutions 3£, somewhat rounded, spirally striated posteriorly ; 

 aperture nearly circular, rather acuminated behind, with a thin, 

 slightly reflected peritreme, thickish and rounded toward the 

 umbilicus, which is covered by it. 



From Yemen, Arabia, Mr. Powis. 



105. C. ATRAMENTARIUM. (pi. XXX. f. 236.) 



T. orbiculato-pyramidali, crassiuscula, laevigata, purpureo- 

 nigricante, nonnunquam fusco-maculata ; spira rnediocri,coni- 

 ca, obtusa, anfractibus quinque ad sex, rotundatis, tenerrime 

 transversim striatis ; sutura distincta ; apertura circulari, 

 margine labii duplicato, peritremate reflexo, latiusculo, 

 umbilicum versus angulato ; umbilico mediocri. 



Shell nearly orbicular, pyramidal, thickish, smooth, 

 of a purplish black colour, sometimes paler and variously 

 spotted with brown ; spire of moderate length, conical, obtuse 

 at the apex, and consisting of from five to six rounded 

 volutions, which are very finely transversely striated, and 

 separated by a distinct suture ; aperture circular, margin of 

 the lip double, peritreme reflected, rather broad, and angular 

 towards the umbilicus, which is of moderate size. 



106. C. Haeveyanum. (pi. xxx. f. 250.) nob 



T. sub-globoso-conica, crassiuscula, spiraliter sulcata, fulves- 

 cente, spiree apice obtuso, anfractibus 4£ rotundatis, [tenerrime 

 transversim striatis, ultimo fascia fusca antemediana ; 

 apertura circulari, peritremate albido.subincrassato, subreflexo, 

 postice paululum acuminato ; umbilico majusculo. 



Shell rather globosely conical, thickish, spirally grooved, of 

 a fulvous colour; volutions 4£, rounded, very finely trans- 

 versely striated, the last with a fuscous band in front of the 



