4B2 Zoological Society. 



3. Helix cyathus, Pfr. Hel. testd umhilicatd, orbiculato-conicd, 

 superne arcuatim costulato-striatd, unicolore fused ; spird elevatd, 

 obtuse conicd ; suturd distinctd, crenulato-marginatd ; anfractibus 

 6| convexiusculis , ultimo carinato, basi sublcevigato, planiusculo ; 

 umbilico magno, profundOy cyathiformi ; aperturd subverticali, 

 angulato-lunari ; peristomate simplice, margine supero recto, basali 

 arcuato, rejlexiusculo, columellari breviter descendente, 



Diam. 8, alt. 4y mill. 



Collected by Mr. Cuming at S. Jaun, province of Cagayan, island 

 of Luzon, on the leaves of trees. 



4. Helix dubiosa, Pfr. Hel. testd imperforatd, depresso-globosd, 

 tcnui, obsolete malleatd, fulvd, fascid suturali et ared columellari 

 nigro-rufis, fasciis pilurimis angustis epidermidis hydrophance aU 

 bidce ornatd ; spird subsemiglobosd ; anfractibus 4 convexiusculis, 

 celeriter accrescentibus ; columelld intrante, planulatd, declivi ; 

 aperturd lunato-rotundatd, intus margaritaced ; peristomate tcnui, 

 albo, late expanso, vix rejlexiusculo, margine basali cum columelld 

 angulum obsoletum formante. 



Diam. 35, alt. 26 mill. 



/3. Fasciis 2 nigricantibus ad peripheriam. 



Collected by Mr. Cuming on the island of Samar. This is the 

 shell figured by Mr. Reeve under the name of H. decipiens, Sowerby 

 (Conchologia Systematica, vol. ii. pi. 145. fig. 16); it is nearer allied 

 to H. mirabilis, Fer., but may be distinguished as a good species. 



5. Helix filocincta, Pfr. Hel. testd perforata, depressd, tenui, 

 pellucidd, corned, striatuld, nitidd ; spird parum elevatd, obtusd ; 

 anfractibus 5^ convexiusculis, carinatis, ultimo basi convexo; ca- 

 rina filiformi, in anfractibus superioribus conspicud, sed non ex- 

 sertd ; aperturd verticali, lunato-subauriformi; peristomate sim- 

 plice, recto, margine columellari per obliquo, elongato, descendente, 

 ad dextram subitb ascendente, 



Diam. 11, alt. 5|- mill. 



Collected by Mr. Cuming at Cagayan, province of Misamis, island 

 of Mindanao, 



6. Helix Gouldi, Pfr. Hel. testd umhilicatd, orbiculato-conicd, 

 tenuiusculd, subtiliter striatuld, vix nitiduld, unicolore fused; 

 spird elevatd, conoided ; anfractibus 6 convexiusculis, ultimo cari- 

 nato, antice subrotundato, basi planiore ; umbilico mediocri, pervio ; 

 aperturd lunato-orbiculari ; peristomate simplice, marginibus sub- 

 conniventibus , dextro recto, columellari subdilatato, patente, basali 

 rejlexiusculo. 



Diam, 9J, alt. 6 mill. 



Collected by Mr. Cuming in the province of Laguna, island of 

 Luzon, and on the island of Negros. 



7. Helix orthostoma, Pfr. Hel. testd umbilicatd, depressd, su- 

 perne confertim subarcuato-striatd, tenui, pellucidd, pallide corned; 

 spird vix elevatd, obtusd; anfractibus 6 angustis, convexiusculis, 

 ultimo basi sublcevigato ; umbilico majusculo, cylindraceo ; aperturd 



