AND OTHER FAMILIES. 53 



Helix monodonta. Plate XIX. fig. 62. 



Ttsld siiperne Kuhconicd, inferne inflatd, Ixvi, albd, fasciis duubits fuscis, itn- 

 perforutd ; unfractihus tvrnis ; sph'ci obliisu ; aperlttrd subrolundd ; lubro acuto, 

 subrejlc.ro, siiblus uiiico dente induto ; columella Ixvi. 



Shell subconical above, inflated below, smooth, white, with two brown bands, im- 

 perforate ; whorls three ; spire obtuse ; aperture nearly round ; outer lip somewhat re- 

 flected but sharp, having a single tooth on the lower limb ; columella smooth. 



Hab. Java? 



My Cabinet. 

 Diam. 9-20lhs, Length 7-20ths of an inch. 



Remarks. — The two brown bands and single tooth of this species, 

 together with the absence of an umbilicus, may serve to distinguish it. 

 The superior termination of the lip is bent down towards the base of the 

 columella. It is supposed to be from the collection of Mr Shillaber. 



Helix cyclostomopsis. Plate XIX. fig. G3. 



Testa subglobosd, stiperne depressa, inferne iiijlafd, longitudinaliter et minute 

 striata, pellucktu, cornea, late urnbilicata ; an/raclibits r/itaternis ; spiru depressa; 

 aperturasubcirculari ; labro crassoet rejlcxo ; columella Ixvi, ad basin crassescenti. 



Shell subglobose, depressed above, inflated below, longitudinally and minutely striate, 

 translucent, horn coloured, widely umbilicate; whorls four ; spire depressed ; aperture 

 nearly a circle; outer lip thick and reflected; columella smooth, at the base thickened. 



Hab 



My Cabinet. 

 Diam -9, Length -6 of an inch. 



RemarliS. — In its aperture this species has a strong resemblance to 

 a Cydostoma. The superior and inferior portions of the lip do not, 

 however, join by one-fifth of a circle — the resemblance is strong in the 



VOL. V. — 



