from Porto Sanlo. 57 



turis distiiictissimis ; apertura orbiculari, peristomate contlnuo, 

 cxterno subreflexo, interno incrassato. Axis f, diam. | unc. Tab» 

 iii. f. 3. 



Shell subglobose, spire rather prominent ; volutions from four to 

 five, ventricose, with numerous slender longitudinal striae ; suture 

 very distinct ; aperture orbicular, peristome continuous, the outer 

 part turned a little back, the inner thickened. Pale testaceous 

 with flakes of white. 



4. Helix nitidiuscula ; testa subdiscoide^, exilissime longitudi- 

 naliter stiiata, spira prominula, anfractibus senis, ventricosis, ni- 

 tidiusculis ; suturis distinctis : apertura sub-orbiculari, peristo- 

 mate continuo, simplice ; umbilico mediocri. Axis |, diam. | 

 unc. Tab. iii, f. 4. 



Shell ffattish with a somewhat prominent spire consisting of six 

 volutions, which are ventricose, rather shining, and verv finely 

 striated longitudinally ; suture strongly marked ; aperture nearly 

 orbicular, with a simple peristome ; umbilicus not very large. 

 Our specimen is white with 3 brown bands on the upper half of 

 the last volution. 



5. Helix Portosanctance ; testa fere discoidea, umbilicata, lon- 

 gitudinaliter striata ; spira subprominula ; anfractibus quinis, 

 ventricosis ; suturis distinctis, apertura suborbiculari ; peristomate 

 continuo, reflexo, prominente. Axis f, diam. 1|^ unc. Tab. iii. 

 f. 5. 



Shell almost discoid, umbilicated ; spire rather prominent ; vo- 

 lutions five, ventricose, longitudinally striated ; suture distinct ; 

 aperture rather elliptical; peristome continuous, reflected, promi- 

 nent. Two varieties in colour are figured, one nearly white, with 

 very light brown bands, and the other tawny with three darker 

 bands. The animal is rather short and of a pale reddish grey 

 colour. 



6. Helix Tectfformis ; testa spira brevi, rotundata ; anfractibus 

 subseptenis, supra leviter striatis, medio carinatis, carina deflexS. ; 

 subtus umbilicata subdepressa, anfractu ultimo rotundato, granu- 

 lato ; apertura elongata, subquadrata, labio subtus expanse, re- 

 flexo. Axis ^, diam. .»i unc. Tab. iii, f. 6. 



This shell is naturally divided into two parts by the carina of 



