Zoological Society. 141 



2. Helix Richmondiana, Pfr. H. testa imperforatd, trochi- 

 formi, solidd, striatd et irregulariter granulatd, nitidd^ castaned; 



spird castaned, sursum pallidiore, apice obtusiusculd ; anfractibus 

 b\, planis, sensitn accrescentibus, ultimo compresse carinato, antici 

 vix deflexiuscido ; basi piano ; aperturd perobliqud, subrhcmbed , 

 ad carinam rostratd, intus livido-opalind ; peristomate nigro- 

 fusco, subincrassato, marginibtis callo tenuijunctis, supero expanso, 

 basali dilatuto, refiexo. 



Diam. maj. 5-4, miii. 47, alt. 30 mill. 



Hab. ad Richmond River, Australia. 



3. Helix semidecussata, Pfr. H. testd perforatd, conoided, 

 solidd, supeme minute decussatd, opacd, unicolore rvfo-fuscd ; spird 

 conoided, aaitiusculd ; anfractibus? , vix convexiusculis, ultimo cari- 

 nato, non descendente, basi convexo; aperturd diagonali, angulato- 

 lunari ; peristomate simplice, recto, obtvso, margine colnmellari 

 superne brevissime refleonusculo. 



Diam. maj. 33, min. 30, alt. 18 mill. 

 Hab. in insula Mauritii. 



4. Helix Sovleyetiana, Pfr. H. testd perforatd, conoideo- 

 depressd, solidiild, rugoso-striatd, superni inter strias sub lente 

 confertissinie undufato-!i/ieatd, pallid^ /ulvd ; spird breviter co- 

 noided, obtusiusculd ; anfractibus 6 subplanis, lente accrescentibus, 

 ultimo acute carinato, infra carinam castaneo-fasciato, convexo, 

 medio profundi excavato ; aperturd perobliqud, angulato-lunari ; 

 peristomate simplice, marginibus subparallelis , dextro antrorsum 

 subarcuato, columellari subina'assato, superne brevissime reflexo. 



Diam. maj. 52, min. 36, alt. 18 mill. 

 Hab. ? 



5. Helix radians, Pfr. H. testd imperforatd, depressd, tenui, 

 Itevigatd, nitidissimd, pellucidd, corned, strigis albidis irregulariter 

 radiatd ; spird brevissimd, convexd ; suturd impressd, submargi- 

 natd ; anfractibus 4^, planiusculis, ultimo non descendente, superne 

 angulato, basi convexo, medio subimpresso ; aperturd subverticali, 

 angulato-lunari ; peristomate simplicissimo, recto. 



Diam. maj. 9, min. 8, alt. 4 mill. 

 Hab. in insula Tahiti. 



6. Helix Gartneriana, Pfr. H. testd umbilicatd, coniformi, 

 solidd, irregulariter elevato- striatd, opacd, nitiduld, lutescenti- 

 carned ; spird conicd, apice obtusd ; suturd submarginatd ; anfrac- 

 tibus 7, convexis, ultimo peripherid subangulato, lined rubrd cincto, 

 antice non descendente, subtus planiusculo ; umbilico angustissimo, 

 pervio ; aperturd parum obliqud, subtetragond ; peristomate albo, 

 margine supero fere angulatim arcuato, expanso, basali substricto, 

 columellari lilaceo, brevi, verticali, reflexo. 



Diam. m^. 22, min. 19, alt. 22 mill. 

 Hab. ? 



7. Helix liturata, Pfr. H. testd imperforatd, turbinato-semi- 

 globosd, striatd, minute rugoso-malleatd, nitiduld, roseo-carned. 



