147 



13. Cyclostoma STRiATULUM (Cyclostomus ?), Pfr. C. testa 

 umbilicata, glohoso-turhinata, soUda, oblique striatula et lineis 

 concentricis, elevatis, subconfertis sculpta, vix nitidula, fiaves- 

 centi-albida ; spira breviter turbinata, apice obtusiuscula ; anfr. 

 5, convexis, summis Icevigatis, ultimo turgido, peripheria obsolete 

 subangulato ; mnbilico mediocri, profundo ; apertura parum 

 obliqua, subangulato-circulari ; perist. contiimo, breviter adnato, 

 incrassato, expansiusculo, superne anguluto. Operculumi 



Diam. maj. 2b\, min. 21, alt. 15 mill. 

 Locality unknown. 



14. Cataulus Thwaitesi, Pfr. C. testa vix perforata, sub- 

 fusif or mi-turrit a, solida, longitudinaliter confertitn costulata, 

 vix nitidula, violaceo-fusca ; spira ovato-turrita, apice acuti- 

 uscula ; sutura impressa ; anfr. l—7\, convexiusailis, ultimo vix 

 attenuate; carina basalt validissima, compressa, angulatim 

 patente, alba ; apertura verticali, circulari ; perist. duplice, 

 albo : interno bast profunde inciso, externo ad anfr. penultimum 

 exciso, coeterum incrassato, rejlexo, basi canali mediocri per- 

 forato. 



Long. 19, diam. 7 mill. 

 From Ceylon {Mr. Thwaites). 



11. Descriptions of Twelve Species of Land Shells, from 



New Zealand. 

 By Dr. L. Pfeiffer. 



\, Helix flammigera, Pfr. H. testa imperforata, depressa, 

 tenuissima, striatula, nitida, pellucida, lutescente, flammis ru- 

 bris angulatis regulariter picta ; spira convexiuscida, vix ele- 

 vata ; anfract. 3, parum convexis, celeriter accrescentibus, ul- 

 timo non descendente, basi planiusculo, medio impresso ; aper- 

 tura diagonali, lunato-rotundata ; perist. simplice, recto, mar- 

 gine columellari arcuatim ascendente. 



Diam. maj. 7, min. 6, alt. '6\ mill. 



2. Helix umbraculum, Pfr. H. testa imperforata, sublen- 

 ticulari, tenuiuscida, striatula, oleoso-nitidula, virenti-cornea, 

 strigis angustis, antrorsum descendentibus, rufs obscure incta ; 

 spira convexo-conoidea, apice acuta ; sutura marginata ; anfr. 

 b\, planiuscidis, acute carinatis, ultimo non descendente, basi 

 convexiusculo, rufo obsolete tessellato ; apertura obliqua, de- 

 pressa, subtriangulari ; perist. simplice, acuto, recto, inargine 

 basali levissime arcuato, ad columellam brevissime reflexo. 



Diam. maj. 7 J, min. 7, alt. 3| mill. 



3. Helix pcecilocostata, Pfr. H. testa perforata, trochi- 

 formi, tenui, confertim plicata, fulva, rufo-maculata, diaphana; 

 spira convexo-conica, apice acutiuscula ; sutura marginata ; 

 anfr. 5^, angustis, convexiusculis, tdtimo carinato, non descen- 

 dente, basi piano ; apertura parum obliqua, depressa, angulato- 



