110 



6. Helix pemphigodes, Pfr. Hel. testd imperforatd, subglobosd, 

 lenui, membranaced , obliąue plicatuld, diaphand, lulescenti-corned ; 

 spird brevi, papiliai d ; anfraclibus 4 vix convexls, vllimo per- 

 magno, carinalo,juxla suluram inflato, basi convexo, anlice vix 

 descendente ; columelld simplice, acutd, subverlicali ; aperlurd 

 ampld, f ere circulari ; peristomale simplice, acuto, marginibus 

 conniventibus . 



Diam. 18, alt. 12 mill. 



From the island of Cuba (Lindon). 



7. Helix gradata, Pfr. Hel. lesld imper/orald, globoso-lurbinatd, 

 strialuld, lenui, hyalind ; spird turbinald, ad apicem aculd ; anfrac- 

 libus 6 convexiusculis , gradatis, ullimo medio acute carinalo, basi 

 convexo, sub lenle minutissime concenlrice slriato ; aperlurd sub- 

 telragono-lunari ; peristomale simplice, aculo, margine columellari 

 verticaliler descendenle. 



Diam. 5, alt. 5 mill. 



From the island of Leyte (H. Cuming). 



Nearly allied to H. longana, Quoy. 



8. Hklix Bahclayana, Pfr. Hel. lesld umbilicatd, depresso-lur- 

 binatd, conferlim oblique costald, albd, epidermide fusco-olivaced 

 induld ; spird conoided, apice obluso ; sulurd profundd ; anfracli- 

 bus 5\ conveiis, ullimo medio carinalo (^inlerdum obsolele bicari- 

 nato), basi conveiiusculo ; umbilico mediocri, f ere cylindrico ; 

 aperlurd subverlicali, guadrangulari ; peristomale simplice, acuto, 

 margine columellari verticaliler descendente, cum basali angulum 



formante. 

 Diam. 18. alt. 12 mill. 

 From the island of France (Sir D. Barclay). 



9. Helix arcuata, Pfr. Hel. lestd umbilicatd, orbiculalo-convesd, 

 lenui, pellucidd, pallide corned, conferlim ei regulariler arcuato- 

 plicald ; spird lale conoided, apice oblusiusatlo ; anfraclibus 6 

 vix convexiusculis, carind aculd, serratd marginatis, ullimo circa 

 umbilicum magnum, fer'h cylindricum subcompresso ; aperlurd an- 

 gulato-lunari, lald ; peristomale simplice, aculo, margine columel- 

 lari brevi, verticali. 



Diam. b\, alt. 2f mill. 



From the province of Cagayan, island of Luzon (H. Cuming). 



10. Helix Mighelsiana, Pfr. Hel. lesld umbilicatd, globosd, so- 

 lidd, valide et conferlim plicatd, spiraliler obsolele striatd, rufd 

 vel lutescenti-fuscd ; spird conoideo-semiglobosd ; anfraclibus 5 

 convexiusculis, ullimo ventroso, anlice vix descendente, circa um- 

 bilicum anguslum compresso ; aperlurd subverlicali, rolundato- 

 liinari ; peristomale reclo, intus albo-labialo, margine columellari 

 dilatalo-palente. 



Diam. 19, alt. 15 mill. 



From Surigao, island of Mindanao (H. Cuming). 



11. Helix RissoANA, Pfr. Hel. testd pefforatd, globosd, lenui. 



