70 Zoological Society. 



utrinque planiusculo, basi lato ; aperturd par urn obliqud, rotun- 

 dato-lunari, latiore quarn altd ; peristomate tenui, subinflexo, 

 margine supero antrorsum dilatato, columellari vix recedente, 

 teviter arcuato. 



Diam. 12, altit. 7 mill. 



Hab. The island of Negros ; collected by Mr. Cuming. 



4. ViTiiiNA bicolor, Beck MSS. Vitr. testd subglobosd, tenui, 

 sublcevigatd, nitidissimd, carneo-albidd ; spird brevi, convexd, ob- 

 tusd ; suturd impressd ; anfractibus 3| rapide accrescentibus, 

 ultimo injlato, antice hyalino, basi angustiusculo , memhranaceo- 

 marginato ; aperturd vix obliqud, lunato-rotundatd ; peristomate 

 tenuissimo, margine dextro regulariter rotundato, columellari re- 

 cedente, per arcuato. 



Diam. 18, altit. 10 mill. 



(Body of the animal white, apex black.) 



Hab. Isle of Guimaras ; collected by Mr. Cuming. 



5. Vitrina guimarasensis, Pfr. Vitr. testd depresso-semiglobosd, 

 tenui, striatuld, subdiaphand, virenti- earned ; spird parvuld, pa- 

 rum elevatd; suturd marginatd; anfractibus vix 4 subplanis, 

 rapidissime accrescentibus, ultimo injlato, subdepresso ; aperturd 

 obliqud, lunato-subcirculari, deque altd ac laid, intus submargari- 

 taced ; peristomate tenuissimo, margine dextro regulariter arcu- 

 ato, columellari recedente, per arcuato. 



Diam. 15, altit. 8 mill. 



Hab. Isle of Guimaras ; collected by Mr. Cuming. 



6. Vitrina Beckiana, Pfr. {Vitr. peraffinis, Beck MSS.) Vitr. 

 testd depresso-globosd, circuitu ovali, tenuissimd, striatuld, pellu- 

 cidd, nitidd, pallidissime rub ello- corned ; spird mediocri, brevi, 

 obtusd ; anfractibus fere 4 vix convexiusculis, celeriter accrescen- 

 tibus, ultimo subdepresso, basi lato ; aperturd parum obliqud, 

 lunato-rotundatd, latiore quam altd; peristomate simplice, mar- 

 ginibus remotis, supero regulariter arcuato, columellari superne 

 reflexiusculo , basi recedente, per arcuato. 



Diam. 16, altit. 8 mill. 



Hab. The Philippine islands of Negros, Siquijor and Guimaras ; 

 collected by Mr. Cuming. 



7. Vitrina politissima, Beck MSS. Vitr. testd globoso-depressd, 

 soliduld, l&vigatd, politissimd, diaphand, corned, saturatius ra- 

 diatd ; spird mediocri, convexd ; suturd, impressd, submarginatd ; 

 anfractibus 4 convexiusculis, celeriter accrescentibus , ultimo de- 

 presso-rotundato, basi lato; aperturd obliqud, lunato-rotundatd, 

 ceque altd ac laid; peristomate simplice, margine superiore an- 

 trorsum arcuato, columellari leviter arcuato. 



Diam. 14, altit. 1\ mill. 



From the island of Zebu ; collected by Mr. Cuming on the leaves 

 of small trees. The entire animal is black. 



8. Vitrina leytensis, Beck MSS. Vitr. testd depressd, circuitu 

 ovali, tenuissimd, Idvigatd, nitidissimd, lutescenti- earned ; spird 



