21 



punetis pellucidis nigricantibus conspersa; $pira contu ea, oertice 

 subtili, prominulo .- sutura albo-marginata ,• anfr. ") out com 

 cult, regulariter accrescentes, ultimas antice deflexus, basipalli- 

 dior, obsolete spiraliter sulcatus ; apertura obliqua, late hmari- 

 oralis, inius saturate castanea; perist. rectum, marginibus re- 

 mot is, columellari ad perforationem in laminam triangularem n 

 fiexo. 

 Diam. maj. 31, niiii. 2(>A, alt. 17 mill. 



/}. Minor, punetis pellucidis pallidis, apertura intus alba, castaneo- 



unifasciata. 

 Hub. Macassar {Mr. Wallace). 



2. Helix testudo, Pfr. T. imperforata, trochi/ormis, solidula, 

 striatulu el rut/is obliquis decussata, pallide isabellina, mac\ 

 flammis fuscis picta ; spira conoidea, acutiusculaf sutura cari- 

 nato-tnarginata ; anfr. 5 convexiusculi, regulariter accrescentes, 



ultimas acute carinalus, superne tumidus, antice vie deflexus, liasi 

 subplanulatus ; apertura perobliqua, rhombeo-lunaris ; perist. al- 

 bidum, margine supero ej.po.iiso, basali refle.ro, columellari lato, 

 planato, adnato. 



Diam. maj. 35, min. 28, alt. 17 mill. 



Hab. Madagascar. 



3. Helix CONGRUA, Pfr. T. imperforata, trochi/ormis, solidula, 

 striatula, cornea, fasciis fuscis oarie picta ■, spira subconcuvo- 

 conica, apice obtusiuscula ; anfr. 6 convexiusculi, ultimas irregu- 

 hiriter inflatus, vix descendens, distinctius costulato-striatus, bast 

 planiusculus, nitidior ; apertura diagonalis, subtetragono-ovalis .• 

 perist. nigro-castaneum, expansum, extus striga lateritia cinctum, 

 marginibus callo nigricante junctis, dextro dilatato, columellari 

 lato, complanuto. 



Diam. maj. '29, min. 25, alt. 24 mill. 

 Hub. Admiralty Islands (Dr. Purc/ias). 



1. Helix Purchasi, Pfr. T. imperforata, globoso-depressa, 

 tenuissima, confertissime plicatula et sub lente subdecussata, teneo- 

 micans, pelludda, pallide cornea; spira breviter conoidea, obtusa; 

 sutura marginata; anfr. vix 3-J planiusculi, rapide accreso 



ultimas no// descent/ens, medio carina compressa, acuta, alba mu- 

 nitus, subtus inflatus, basigibbosus ; apertura ampla, obliqua, late 

 angulato-lunaris ,• jierist. tcnue, breviter rejle.ru iii, margine colu- 

 mellari arcuato, compresso, subcalloso, juxta foveum centralem 

 non dilatato. 



Diam. maj. 23, min. 17'.. alt. L3| mill. 



Hab. Admiralty Islands (Dr. Purchas). 



.">. Helix Fru ki, Pfr. T. late umbilicata, lentiformis, tenuiuscula, 

 striata, corneo-luteseens, strigis et maculis rufis otguita .■ spira 

 breviter conoidea ; sutura marginata, subexcavala ,• anfr. 7 plant 



vel concavhuculi, ultimas subdeflexus, acute carinatus, circa am- 



