246 HELIX §. 83. 



paruin nilida, corneo-alba, tascia lata fuscula superne et altera 

 angusta rufa infra medium ornala; spira plana; sutura im- 

 pressa; anfr. 4 parum convexi, ultimus depressus, anlice bre- 

 viter descendens, pone aperturam lurgidus, basi planiusculus; 

 umbilicus mediocris ( y^ diametri subaequans), conicus; aper- 

 lura perobliqua, lunato-subcircularis; perist. simplex, margini- 

 bus conniventibus, supero brevissime expanso, basali breviter 

 reflexo, ad columellam in laminam triangularem, patentem di- 

 latato. — Diam. maj. ISV^, min. 15, alt. Gy^ mill. (Mus. 

 Scheepmaker.) 



Helix Moluccensis Pfr. m Zeltschr. f. Malak. 1850. p. 8 4. 



— — Chemn. ed. II. Helix N. 874. t. 135. f. 10. H. 



Habitat in insulis Moluccis. 



Obs. Nonne praecedenti nimis affinis? 



1444. torticoUis Guill. -J- Mon. I. p. 388. 



1445. guttata Guiil. f - -- 388. 



1446. H. zebra Pfr. 



T. umbilicata, depressa, tenuiuscula, corneo-fusca, pellu- 

 cida, strigis fulguratis, opacis, lacteis, irregulariter confluen- 

 tibus picta; spira plana, medio impressa; anfr. ^y^ convexi- 

 usculi, ultimus magnus, rotundatus, antice deflexus et sub- 

 constrictus, basi pallide corneus, pone aperturam subcanali- 

 culatus; umbilicus mediocris (vix ^/^ diametri aequans); aper- 

 tura obliqua, lunato-circularis; perist. simplex, marginibus 

 conniventibus, supero expanso, basaii breviter reflexo. — Diam. 

 maj. 20, min. 16, alt. 8 mill. (Mus. Scheepmaker.) 

 Helix zebra Pfr. in Zeilschr. f. Malak. 1850. p. 83. 



— — Reeve Conch. ic. N. 499. t. 92. 



— — Che?n?i. ed. II. Helix N. 875. t. 135. f 1G— 18. 



— zonaria var. Fer. hist. t. 73. f. 5? 

 Habitat in insulis Moluccis? 



Obs. An forte = H. guttata Guill. (nec Oliv. )? 



1447. H. margaritis Pfr. 



T. umbilicata, depressa, ambitu auriformis, subtihssime 

 striatula, nitida, alba, castaneo-bifasciala; spira plana, medio 

 impressa; anfr. vix 4 planiusculi, ultimus antice vix descen- 

 dens, pone aperturam transverse subcariuatus, basi convexus, 

 unicolor, sensim in umbilicum mediocrem attenuatus, pone 

 perist. subconstrictus; apertura parum obliqua, rotundato-Iu- 

 naris; perist. simplex, marginibus vix convergentibus, supero 



