Zoological Society. 143 



vexiusculis, ultimo antice vix descendente, bast subplanulato ; um- 

 bilico mediocri, pervio ; aperturd ohliqud, rotundato -lunar i ; peri- 

 X'.i si ornate simptice, marginibus remotis, dextro recto, basali refiexo, 

 ,i,v columellari in laminam triangularem, violaceo-fuscam, fornicatim 

 dilatato. 

 Diam. maj. 20^, min. 18, alt. 12 mill. 

 Hab. in Australia boreali. 



13. Helix ptychomphala, Pfr. H. testa umbilicatd, depresso- 

 globosd, tenui, superne confertim costtdatd, lineis concentricis 

 paucis obsolete decussatd, nitidd, castaneo-corned ; spird vix con- 

 vexd; anfractibus 4, vix convexiusculis, ultimo non descendente, 

 obsoletissime angulato, basi convexo, Icevigato, corneo-virente, 

 circa umbilicum mediocrem, pervium confertim plicato ; aperturd 

 parum obliqud, irregulariter truncato ovali, multo altiore quam 

 lata; peristomate simplice, obtuso, margine columellari elongate, 

 substricte descendente, superne fo mica tim rejiexo. 



Diam. maj. 22, min. 20, alt. 13 mill. 



JTai. ad Portum Essington. i^ XMsBL .t* 



14. Helix Poiretiana, Pfr. H. testd perforatd, conicd, solidd, 

 striatuld, nitidd, carneo-albidd, strigis pallide fusculis irregulari- 

 ter pictd ; spird conicd, obtusiusculd ; suturd impressd, subtilis- 

 sime crenulatd ; anfractibus 7, vix convexiusculis, ultimo subro- 

 tundato, fascid und fused signato, antice breviter descendente ; 

 aperturd diagonali, lunato-rotundatd ; peristomate acuto, margine 

 dextro repando, basali subincrassato, columellari fornicatim re- 

 flexo, perforationem fere tegente. 



Diam. maj. 19y, min. \S\, alt. 23 mill. 

 Hab. ad Portum Essington. 



15. Helix Dillwyniana, Pfr. H. testd umbilicatd, depressd, 

 solidd, irregulariter rugosd et subtilissime malleatd, nitidd, cre- 

 taced ; spird subpland, vertice papillatim prominulo, castaneo ; 

 anfractibus 4^, planiusculis, ultimo rotundato, antice breviter de- 

 Jlexo, basi infato; umbilico angusto, non pervio; aperturd per- 



obliqud, late lunari, intus albd ; peristomate acuto, intus incras- 

 sato, margine supero subhorizontali et dextro arcuato expansis, 

 basali substricto, reflexo, columellari brevissimo, angusto, patente. 

 Diam. maj. 31, min. 25, alt. 14 mill. v • - ^ • • > . > 



Hab. ? $ ScAK^M* • V i\h6\s'i 



16. BuLiMUS GLAUCOPHTHALMUS, Pfr. B. tcstd impcrforatd, 

 ov at 0- oblong d, solidd, striatuld, nigro-castuned, epidermide hy- 

 drophand fusco-cinered strigatd ; spird convexo-conicd, apice 

 saturate cceruled, obtusd ; suturd impressd; anfractibus 5, con- 

 vexiusculis, ultimo spird breviore, basi obsolete angulato ; colu- 

 melld subdeclivi, dilatatd, pinna, albd, basi subdentatd ; aperturd 

 obliqud, truncato -ovali, intus lividd; peristomate simplice, bre- 

 vissime expanse, margine dextro repando, , v 



Long. 3fi, diam. 25 mill. v,vvr.i> \' ^bw^ v.s\V'As->ro< 



Hab. in insulis Philippini^^^v- ^ .r'sj .b?lb^^i*^GVo?.^^•»vc>/.b^^>»r>\^ 



