55 



punctis luteis variegata; spira plana, subimmersa; sutura 

 subcanaliculata ; anfr. 3'/i convexiusculi , rapide accrescen- 

 tes, ultimus latus , depressus , perlpheria rotundatus, antice 

 non descendens, basi parum convexus, sensim in umbilicum 

 mediocrem ascendens; apertura parum obliqua, lunato- 

 rotundata ; perist. simplex , rectum , acutum , marginibus 

 subconniventibus. — Diam. maj. TVj, min. 6V3, alt. 3 

 mill. (Coli.) 



ß. Major, lutea, ad suturam fascia lata articulata ca- 

 stanea ornata; diam. maj. O'/j, min. 7, alt. 3V4 mill. (Mus. 

 Cuming.) 



Habitat in Nova Seelandia; var. /? in insulis Salomonis. 



IS. Helix conomphala. 



T. umbilicata, perdepressa, discoidea, tenuis, vix stria- 

 tula, acutissime carinata, pallide fulva, superne et inferne 

 t'asciis singulis angustis rufis ornata; spira vix elevata; su- 

 tura initio profunda, tandem linearis ; anfr. 4 rapide accres- 

 centes, primi convexjusculi, ultimus non descendens, carina 

 brevi acutissima, utrinque marginata munitus, basi vix con- 

 vexior; umbilicus '/g diametri subaequans, regulariter coni- 

 cus ; apertura perobliqua , depresse securiformis ; perist. 

 simplex, rectum, margine supero antrorsum arcuato, basali 

 ad umbilicum arcuatim ascendente, superne subincrassato. 

 — Diam. maj. 26, min. 22 Vj, alt. 7 mill. (Mus. Cuming.) 



Habitat in insulis Philippinis. 



14. Helix Huaheinensis Pfr. 

 T. late umbilicata, convexo-depressa, tenuiuscula, striata, 

 opaca, pallide cornea, rufo strigata et maculata ; spira con- 

 vexa, minutissime mucronata ; sutura linearis ; anfr. 6 pla- 

 niusculi, lentissime accrescentes, ultimus carinatus, non de- 

 scendens, basi circa umbilicum subcompx'essus ; apertura 

 obliqua, subtetragona, lamella intrante parietali coarctata ; 

 perist. simplex, rectum, marginibus vix convergentibus. — 

 Diam. maj. 6, min. 5'/i, alt. 27$ mill. (Mus. Cuming.) 



