264 Zoological Society. 



Diam. 5, alt. 5 mill. 



From the island of Leyte (H. Cuming). 



Nearly allied to H. tongana, Quoy. 



8. Helix Barclayana, Pfr. Hel. testd umbilicatd, depresso-tur- 

 binatd, confertim oblique costatd, alba, epidermide fusco-olivaced 

 indutd ; spird conoided, apice obtuso ; suturd profunda ; anfracti- 

 bus 5^ convexis, ultimo medio carinato (interdum obsolete bicari- 

 nato), basi convexiusculo ; umbilico mediocri, fere cylindrico ; 

 aperturd subverticali, quadrangulari ; peristomate simpUce, acuto, 

 margine columellari verticaliter descendente, cum basali unguium 

 formante. 



Diam. 18, alt. 12 mill. 



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



9. Helix ARCUATA, Pfr. Hel. testd umbilicatd, orbiculato-convexd, 

 tenui, pellucidd, pallide corned, confertim et regulariter arcuato- 

 plicatd; spird late conoided, apice obtusiusculo ; anfractibus 6 

 vix convexiusculis, carina acuta, serratd marginatis, ultimo circa 

 umbilicum magnum, fere cylindricum subcompresso ; aperturd an- 

 gulato-lunari, latd ; peristomate simplice, acuto, margine columel- 

 lari brevi, verticali. 



Diam. 5^, alt. 2f mill. 



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



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

 lidd, valide et confertim plicatd, spiraliter obsolete striatd, rufd 

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

 convexiusculis, ultimo ventroso, antide vix descendente, circa um- 

 bilicum angustum compresso ; aperturd subverticali, rotundato- 

 lunari ; peristomate recto, intus albo-labiato, margine columellari 

 dilatato-patente. 



Diam. 19, alt. 15 mill. 



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



11. Helix RissoANA, Pfr. Hel. testd perforata, globosd, tenui, 

 striatd, diaphand, vix nitidd, rufd ; spird conoided, obtusiusculd ; 

 anfractibus 6 convexiusculis, ultimo subangulato, medio pallide 

 cingulato, antice breviter descendente, basi ventroso; aperturd 

 magnd, semicirculari ; peristomate intus rubello-labiato, breviter 

 expanse, margine columellari in laminam brevem, perforationem 

 semioccultantem reflexo. 



Diam. 18, alt. 13 mill. 



From Greece (Lieut. Spratt, R.N.). 



12. Helix DicTYODEs, Pfr. Hel. testd anguste umbilicatd, depressd, 

 sublenticulari, oblique plicato- striatd, tenuiusculd, diaphand, pal- 

 lide corned, fusco subtiliter reticulata et maculis castaneis Juxta 

 suturam et carinam ornatd; spird late conoided; anfractibus 7 

 vix convexiusculis, ultimo acute carinato ; aperturd subverticali, 

 depressd, lunari, intus margaritaced ; peristomate simplice, mar- 

 gine columellari breviter dilatato-patente, basali sinuoso, reflexius- 

 culo. 



