HELIX §. 16. 17. 83 



4 supra plani , rapide accrescentes ; aperlura securiformis ; perist. 



simplex, acutum, ad perforationem angustissimam dilatato-re- 



flexmTi. — Diam. maj. 18, min. 15, alt. 8/2 raill. (Coll. Nr. 111.) 



Helix excentrka Pfr. in Proc. Zool. Soc. 1843. p. 41. 



_ _ Chemn. ed. U. Holix N. 552. t. 88. f. 14 — < 6. 



Hahitat in insula Siquijor Philippinarum (Cuming), 



Obs. Specimina pormulla vidi omnino conformia , quare dubitare non 

 pos.sum, descripla esse aduiu» et perfecla. 



197. H. variolosa Pfr. 



T. perforata, depressa, acute carinata, solidula, opaca, lutes- 

 cens, superne confertissime plicata, lineisque concentricis regu- 

 lariter decussata, pustulis albis subfasciatim obsita; spira pla- 

 niuscula; anfr. Sy^ vix convexiusculi, rapide accrescentes, ullimus 

 basi convexus, infra carinam impressus; columella brevis, verti- 

 calis; apertura late securiformis ; perist. simplex, acutum, mar- 

 gine columellari breviter reflexo, perforationem fere occultante. — 

 Diam. maj. 23, rain. 20, alt. 10 raill. (Mus. Cuming. ) 



Helix variolom Pfr. in Proc. Zool. Soc. 18 45. p. 128. 

 Habitat . . . . ? 



Obs. .Specimina plura vidi plane conformia. An adulla? 



§. 17. 



19S. U. helvacea Philippl. 



T. umbilicata, globosa, tenuis, rugoso-plicata, lineis concen- 

 tricis obsolete decussata, epidermide olivaceo-fusca indula; spira 

 concidea; anfr. 6 convexi, ultimus ventrosus, antice non descen- 

 dens; apertura lunato-subcircularis; perist. simplex, acutum, 

 rectum, margine columellari dilatato, fornicatim reflexo, umbili- 

 cum angustum, pervium semioccultante. — Diam. maj. 29, min. 

 24, alt. 21 mill. (Coll. Nr. 112.) 



Helix helvacea Phil. Icon. II. 9. p. \. Heli.K t. 6. f. 2. 

 — — Chemn. ed. II. Ilelix N. 547. t. 87. f. 25. 26. 



ft. Fascia \ alba, latiuscula ad suturam. 



Habitat in China (Largilliert). 



Obs. Conf. H. ravida (Nr. 69) et Iranquebarica (Nr. 67). 



199. H. subgranosa Le Guillou. ^ 



T. subglobosa, umbilicala, tenuis, pellucida, dilute rufo-spa- 

 dicea, subtus albido-fuscescens, longitudinaliter et transversim 

 tenuiter striala, fere granulafa; anfr-. 4 convexo-depressi; labrimi 



6* 



