Zoological Society » 141 



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

 formi, solidd, striatd et irregularitcr granulatd, nitiddy castaned; 



spird castaned, sursum pallidiore, apice ohtusiusculd ; anfractibus 

 5y, planis, sensim accrescentihus, ultimo compresse carinato, antic^ 

 vix dejiexiusculo ; basi piano ; aperturd perobliqud, subrhombed, 

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

 fusco, subincrassato, marginibus callo tenuijunctis, supero expanso, 

 basali dilatato, reflexo. 

 Diam. maj. 54, min. 47, alt. 30 mill. . ^, 



Hab. ad Richmond River, Australia. vf /;> \ 



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

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

 conoided, acutiusculd ; anfractibus 7 , vix convexiusculis, ultimo cari- 

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

 lunari ; peristomate simplice, recto, obtuse, margine columellari 

 mperne br^issime reflexiusculo. ^^^^ .^nb^stnhm o\uS 



Diam. mai. 33, mm. 30, alt. 18 mm. ^ . ^^^^^^^w 



Hab. in insula Mauritii. T''^ e'VT-^ZtTJ^"^ 



4. Helix Souleyetiana, Pfr. H. testd perforatd^ conoideo- 

 depressd, soUduld, rugoso-striatd, superne inter strias sub lente 

 confertissime undulato-lineatd, pallid e fulvd ; spird breviter co- 

 noided, obtusiusculd ; anfractibus 6 subplanis, lente accrescentibus, 

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

 medio prof unde excavato ; aperturd perobliqud, angulato-lunari ; 

 peristomate simplice, marginibus subparallelis, dextro antrorsum 

 suharcuato, columellari subincrassato, superne brevissime reflexo. 



Diam. maj. 52, miii. 36, alt. 18 mill. y 



Jlab. ? 



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

 l<evigatd, nitidissimd, pellucidd, corned, strigis albidis irregulariter 

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

 natd ; anfractibus 4 j, planiusculis, ultimo non descendente, supern^ 

 angulato, basi convexo, medio subimpresso ; aperturd subverticali, 

 angulato-lunari ; peristomate simplicissimo, recto. 



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



Hah. in insula Tahiti. ^Xn\^-vrr^H^ vo wiTqri«r>?!»a 



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 subaiigulato, 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, refle^o^^ . . .,,, ,,,^ i^»v.>>j.v.t. 



Diam. maj. 22, miu. 19, alt. 22 mill, ^^^.^^j,^, .o^^^it'.oi>jU»r) 

 Hab. ? 



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

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



