262 



47. AcHATiNA Newcombi, Pfr. A. testd turritd, solidd, lo7i- 

 gitudinaliter rugoso-striatd, cingidis obtuse elevatis sculptd, 

 castaned ; spird elongatd, sursum in conum convexiusculum, 

 acuminatum attenuatd ; anfractibus 9, planiusculis, ultimo y 

 longitudinis subcequante, infra medium angidato, fascid pallida 

 cincto, basi nigro ; columelld lamelld angustd, tortd, alba mu- 

 nitd, basi subtruncatd ; aperturd obliqud, subrhombed; peri- 



■stomate simplice, recto. 

 Long. 71, diam. 19 mill, 

 Hab. in insulis Sandwich (Newcomb). 



48. AcHATiNELLA MELAMPOiDES, Pfr. A. testd oblongd, solidd, 

 ruguloso-striatd, vix nitiduld, saturate fused ; spird convexo- 

 conicd, acutiusculd; suturd impressd, submarginatd ; anfrac- 

 tibus 6, vix convexiusculis, ultimo spird paulo breviore, basi 

 rotundato ; columelld medio acute tuberculatd; aperturd ver- 

 ticali, sinuato-ovali ; peristomate recto, acuto, intus labiato, 

 margine columellari calloso, albo, appresse rejlexo. 



Long. 13, diam. .5|- mill. 

 Hab. in insulis Sandwich. 



49. Partula nodosa, Pfr. P. testd perforatd, conico-ovatd, 

 soliduld, obsolete decussatuld, castaned, ad suturam fascid lata 

 albd et inter dum nonnullis pallidis ornatd; spird conicd, acutd ; 

 anfractibus 5|^, planiusculis, idtimo spiram subcequante ; colu- 

 melld superne profunde plicatd, turn subnodosd ; aperturd sub- 

 verticali, oblongd, angustd; peristomate extus vix expanso, in- 

 tus callo acuti prominente munito, marginibus subparallelis, 

 dextro strictiusculo. 



Long. 1 6, diam. 8 mill. 



Hab. in insulis Tahiti et Navigatorum. 



50. Partula filosa, Pfr. P. testd perforatd, conico-ovatd, 

 solidd, lineis imprestis spiralibus, confertis sculptd, haud 

 nitente, castaned, strigis filaribus cinereis ornatd ; spird co- 

 nicd, obtusiuscidd ; anfractibus 5, planiusculis, ultimo spiram 

 cequante, convexiore ; columelld superne vix plicatd; aperturd 

 parum obliqud, subtriangidari-semiovali ; peristomate expan- 

 siusculo, intus callo crasso prominente munito. 



Long. 16, diam. 8J mill. 

 Hab. in insulis Navigatorum. 



51. Helix glabriuscula, Pfr. H. testd perforatd, conoideo- 

 semiglobosd, tenui, Icevigatd, pellucidd, nitente, lutescente, 

 rufo angulato-lineatd ; spird convexo-conoided, acutiusculd ; 

 anfractibus 5|-, convexiusculis, ultimo non descendente, basi 

 planiusculo ; aperturd obliqud, subdepressd, lunari ; peristo- 

 mate simplice, recto, margine columellari declivi, superne vix 

 refexiusculo. 



Diam. maj. 3^, min. 3, alt. 2 mill. 

 Hab. in Nova Seelandia (Strange). 



