252 HELIX §. 52. 



/S". Sulphurea, albo-strigala el albo-1 — 2 - fasciata. (Spec.) 



y. Unicolor straminea. (Spec. ) 



Habitat in insulis Philippinis Luzon et Capul (Cuming). 



Obs. 1. Differt ah II. pulchorrima aperlura ininus transversa, subelongata, 

 columella non excavata, perist. expanso, non reflexo, etc. 



Obs. 2. Varietales nonnuUae H. mirabiiis saepe eum nostra specie con- 

 fusae sunt, ex descriptione Sowerbyana emendata facile dignoscendae. (Conf. 

 Pfr. Symb. II. p. 27.) 



658. H. dubiosa Pfr. 



T. imperforata , depresso-glohosa, tenuis, obsolete malleata, 

 fulva, fascia suturali et area columellari nigro-rufis, fasciisque 

 plurimis epidermidis hydrophanae albidae ornata; spira subsemi- 

 globosa; anfr. 4 convexiusculi, celeriter accrescentes; columella 

 intrans, planulata, declivis; apertura lunato-rotundata, intus mar- 

 gai^itacea; perist. tenue, album, late expansum, vix reflexiuscu- 

 lum , margine basali cum columella angulum obsoletum formante. 

 — Diam. maj. 35, min. 28, alt. 26 mill. (Coll. Nr. 391.) 

 Helix dubiosa Pfr. Symb. III. p. 71. 



— — Pfr. iri Proc. Zool. Soc. 18 45. p. 123. 



— — Chemn. ed. IL Helix N. 269. t. 46. f. 5. 6. 



— decipiens var. c et d Sow. Proc. Zool. Soc. 1840. p. 97. 



— — ex parte Pfr. Symb. II. p. 27. 



— — Reeve Conch. syst. IL t. 165. f. 16. 



— — var. Deless. recueil t. 38. f. 10. 

 /?. Fasciis 2 negricantlbus ad peripheriam. 



y. Fasciis periphericis latis, iuterstitio albido. (Coll. Gruner. ) 

 Habitat in insula Samar Philippinarum (Guming). 



659. H. luzonica Sowerby. 



T. imperforata, conico-globosa , crassiuscula, oblique striata, 

 rufa, apice sanguinea, epidermide liberea fere omnino tecta, 

 medio fascia lata, albida ornata; spira conoidea; anfr. 5 — 5 '/2 con- 

 vexiusculi ; columella obliqua , dilatata , tuberculosa ; apertura lu- 

 nato-circularis , intus lactea; perist. incrassatum, late reflexum, 

 albo vel purpureo late limbatum. — R. a. = 5 : 7. — Diam. maj. 

 43, min. 34, alL 30 mill. (Coll. Nr. 392.) 

 Ilelix luzonica Sow. in sched. Cuming. 



— — Pfr. Symb. H. p. 32. 



— — Pfr. in Proc. ZooL Soc. 18 42. p. 85. 



— — Reeve Conch. syst. II. t. 165. f. 20. 



— - Chemn. ed. U. Heiix N. 266. t. 45. f. 7. 9. 10 



;?. Minor, unicolor, laete castanea, non nitens, apice sanguinca : diaia 

 maj. 39, min. 30, alt. 28 mill. (Spec.) 

 Ilelix pukherrima var. Cuming in sched, 



