54 



mellari declivi, superne subincrassato. — Diam. maj. 16, 

 min. 14, alt. 8 mill. (Mus. Cuming.) 



TTflhiffli in mriTiff« Tsarncr insnlnp T^n^nn 



, tt, all. o iiiui. ^^xvxus. v^uuiuig.^ 

 Habitat in monte Isarog insulae Luzon 



/O. ffelix ceroides Pfr. 



T. mediocriter umbilicata, convexo - depressa , tenuis, 

 minutissime striatula, griseo-cerea ; spira parum elevata; 

 sutura subprofunda; anfr. 4 convexiusculi , sensim accres- 

 centes, ultimus non descendens, rotundatus; apertura sub- 

 verticalis, rotundato-lunaris ; perist. simplex, rectum, acu- 

 timi, marginibus convergentibus , columellari superne pa- 

 tente. — Diam. maj. 5, min. 4, alt. 2'/j mill. (Mus. 

 Cuming.) 



Habitat in insula Juan Fernandez. 



Obs. Forma persimilis H. sabuletorum Bens. 



11. Helix Veronica Pfr. 



T. umbilicata, depressa, discoidea, radiatim minutissime 

 striatula, ad suturam obsolete spiraliter striata, pellucida, 

 nitida, virenti-cornea ; spira plana, le\assime immersa ; sutura 

 vix impressa; anfr. S'/a subplani, rapide accrescentes, ulti- 

 mus non descendens, depressus, peripheria rotundatus; 

 umbilicus Vs diametri paulo superans, parum profundus, 

 medio contractus ; apertura' parum obliqua, rotundato-lunata ; 

 perist. simplex, rectum, acutum, marginibus convergentibus, 

 superne et inferne aequalibus. — Diam. maj. 12, min. 10, 

 alt. 4Vs mill. (Mus. Cuming.) 



Habitat in insulis Salomonis. 



Obs. Testa superne H. v'drinae Wagn. simillima, 

 minus distincte striata, umbilico parum excavato, angu- 

 stiore praecipue discrepans, 



12. Helix rapida Pfr. 

 T. umbilicata, depressa, discoidea, tenuis, sub lente 

 spiraliter striolata, nitida, pellucida, castanea, strigis et 



