— 4H — 



arcuatiSf minutis, subdistantibus, luteo-albidis, longitU' 

 dinaliter impressa , saturate fusca; spira vix elevata, 

 apice planata ; sutura impressa ; anfr. 5 planiusculi, 

 sensim accrescentes, ultimus non descendens, depressus, 

 basi planiusculus ; umbilicus latus, pervius^ 1/4 diametri 

 subœquans; apertura diagonalis, lunato-rotundata , con- 

 color ; perist. simplex, marginibus distantibus, subconver- 

 gentibus, columellari brevi, externo antrorsumsubarcuato. 

 — Diam. maj. 6 1/2, min. 5 1/2, ait. 2 \/^mill. fColl. 

 Grosse.) 

 Habitat in Nova Caledonia. (E. Marie.) 



2. Hélix Alleryana. 



T. subobtecte perforata, subdepressa, planiuscula, te- 

 nuissima, fragillima, translucida, haud nitens, longitudi- 

 naliter striatula, pallide viridula, unicolor ; spira de- 

 pressa, planata; sutura sat profunde impressa; anfr. 4 

 planulati, regulariter accrescentes, ultimus non descen- 

 dens, magnus, depresse rotundatus ; apertura vix obliqua, 

 late lunaris, concolor ; perist. simplex, acutum, margine 

 columellari ad iiisertionem subdilatato , reflexiusculo, 

 perforatiotiis maximam partem obtegente, mox acuto. — 

 Diam. maj. l^min. 5, ait. 3 1/2 mill. (Coll. Grosse.) 



Habitat in monte « Mou » dicto^ Novœ Caledoniœ. (E. 

 Marie.) . 



5. Hélix Perroquiniana. 



T. umbilicata, depressa^ planiuscula, tennis^ translu- 

 cida, lœvigata, nitidula, olivacea, unicolor; spira de- 

 pressa, apice vix suhprominulo ; sutura impressa, pro- 

 funda ; anfr. 4 planulati , regulariter accrescentes , 

 ultimus non descendens, magnus, depresse rotundatus, 



