254 Zoological Society. 
Differt ab Hel. latitante magnitudine, colore et sculptura minutis- 
sima. 
Heurx semiciogosa, Pfr. Hel. T. subperforatd, semiglobosd, tenui, 
lutescenti-corned, supra minutissime granulatd; suturd vix im- 
pressd ; anfractibus 6 planis, ultimo carinato, infra carinam levi- 
gato, nitido, fascia diluta brunned notato ; umbilico angustissimo ; 
aperturd lunari-ellipticd, intus fasciatd ; peristomate simplice, 
acuto, margine columellari laté reflexo, umbilicum semitegente. 
Diam. 22; altit. 13 lin. 
From the isle of Zeyte: found on leaves of trees. (Cuming.) 
3. Anfractu ultimo magis inflato, saturatius brunnescente (Catba- 
longa, isle of Samar). 
Hexrx osprusa, Pfr. Hel. T. imperforatd, subglobosd, tenui, striis 
incrementi et lineis impressis concentricis obsoletis subdecussata, 
nitidd, lete castaned ; spird subelevatd, obtusd ; anfractibus 4 con- 
vexis, ultimo inflato ; columella obliqud, acuta, albd ; aperturd dila- 
tata, subauriformi, intus margaritaced ; peristomate simplice, ex- 
paso. 
Diam. 174; altit. 13 lin. 
From Catanauan, province of Tayabos, isle of Luzon: found on 
leaves of bushes. (Cuming.) 
3. Alba, minor (diam. 15; altit. 10 lin.). From Zigas, province of 
South Camarines, Luzon: found on leaves of trees. 
Hetrx riuaris, Valenc., Mus. Paris. Hel. T. imperforatd, depresso- 
globosd, tenui, striis incrementi validis notatd, albidd, epidermide 
pallide corned decidud munitd ; spird partm elevatd, obtusa ; suturd 
lineari, albo-marginatd ; anfractibus 4 planiusculis, ultimo obtuse 
ungulato ; columella obliqud, margine granulosd ; apertura dilatatd, 
lunari ; peristomate nigro, subincrassato, pariim expanso. 
Diam. 194; altit. 124 lin. 
From the island of Marinduque: found on leaves of trees. (Cu- 
ming. ) 
Intermedia inter Hel. Valenciennesii et virginem. 
Hexix consrricra, Pfr. Hel. T. imperforatd, semiglobosa, nitidd, 
concentrice minutissime striata, flavo-albidd, fasciis 2 fuscis inter- 
ruptis ad peripheriam ornatd ; anfractibus 44 convexiusculis, ul- 
timo basi subplanato, ad aperturam subitd descendente, constricto ; 
aperturd lunart, intus nitide flavd ; peristomate acuto, albo, late 
refleco, margine basali subincrassato; ared columellari callosd, 
subexcavata. 
Diam. 114; altit. 65 lin. 
From Calapan, island of Mindoro: found on leaves of trees. (Cu- 
ming.) Affinis sequenti. 
Hexix parapoxa, Pfr. Hel. T. imperforatd, globoso-depressd, 
nitidd, concentrice subtilissime et confertissime striatd, virescenti- 
flavd, apice nigro-violuceo, ared basali saturate castaned ; anfrac- 
tibus 5 planiusculis, ultimo irregulari, lateraliter subcompresso, 
prope aperturam tumido; aperturd lunari-ellipticd ; peristomate 
pe 
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