214 



2. Helix tuba Alb. 



T. umbilicata, depressa, tenuis, subgranulata et pills 

 brevibus rigklis, qiiincimcialiter dispositis, obsita, haud nitens, 

 oriseo -lutea, fasciis 3 nigro-castaneis (1 suturali, 2 peri- 

 phericls), una snpcra fulva et area iimbillcarl castanea or- 

 nata; spira paruni elcvata, siiperne plana; anfr. 4 vix con- 

 vexiusculi, celeriter accrescentes, ultimiis inflatiis, antice vix 

 descendens; umbilicus angustus, non pervius; apertura ob- 

 liqua, depresse lunaris; perist. roseum, expansum et refle- 

 xiusculum, margine basali substricto, declivi, columellari 

 brevissimo. — Diam. maj. 38, min. 29, alt. 18 mill. 



Habitare dicitur in insula Nova Guinea. 



3. Helix August a Alb. 



T. imperforata, depresso-globosa, solidula, spiraliter 

 confertim striata, nitida, fulvida, infra medium fasciis 2 latis 

 nigricanti-castaneis, spatium aequilatum album amplecten- 

 tibus ornata; spira convexa, obtusa; sutura alba, castaneo- 

 marginata; anfr. 4 convexiusculi, sensim accrescentes, ulti- 

 mus rotundatus, antice vix descendens; apertura obliqua, 

 lunato-rotundata, intus albida, fasciis pellucentibus; perist. 

 album, expansum, margine columellari oblique substricte 

 descendente, piano, albo, basi subtruncato. — Diam. maj 

 34, min. 28, alt. 21 mill. 



Habitat in Nova Guinea? 



4. Helix infus c ata Alb. 



Testa imperforata, subglobosa, solida, oblique striata 

 et lineis spiralibus obsolete decussata, basi strigis saturatio- 

 ribus et area fusca circa columellam ornata; spira parum 

 elevata, obtusa; anfractus 5 convexi, ultimus rotundatus, 

 antice breviter descendens ; columella subarcuata, lata, alba ; 

 apertura obliqua, lunato-rotundata, intus alba; peristoma 

 album, margine supero reflexo-expanso, basali incrassato. — 

 Diam. maj. 31, min. 26, alt. 23 mill. 



Habitat in Insulis Philippini« ^ 



