A.M EEIOAN 



JOURNAL OF C0NCH0L0GY. 



Vol. II. OCTOBER l) 1366. No. 4. 



DESCRIPTIONS OE NEW SPECIES OP LAND SHELLS, 

 INHABITING POLYNESIA. 



BY WILLIAM HARPER PEASE. 



1. Helix Oualanensis, Pease. — t. 20, fig-. 1. 



Description. — T. parva, discoidea, tenui, lucida, supra plana, 

 ad peripheriam rotundata; spira depressa, planamefformantes; 

 anfr. 3-4, celeriter accrescentes, radiatum striis tenuis incre- 

 mentis subrugosis, concentrice sub lente striatis ; ultimus basi 

 rotundatus, late umbilicatus. Cinereo-lutescens, lineis aufc 

 strigis castaneis, angulatis et flexuosis, obliquis, ornata. 



Dimensions. — Diam. 5, alt. 2 mill. 



Shell small, discoidal, thin, shining, plane above, periphery 

 rounded; spire depressed, forming a plane, slightly concave 

 at apex ; whorls 3-4, somewhat roughened by radiating strias 

 of growth, concentrically obsoletely striated, the last whorl 

 rounded at base, widely umbilicate. Color light greyish-yellow, 

 ornamented with brownish-red zigzag lines or stripes, oblique- 

 ly, sometimes radiately disposed. 



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