386 dr. l. pfeiffer on new land-shells. [nov. 26, 



6. Descriptions of Sixteen New Species of Land-Shells 

 FROM THE Collection of H. Cuming, Esq. By Ur. L. 

 Pfeiffer. 



(Plate XXXVII.) 



1. Helix phryne, Pfr. (PI. XXXVII. fig. 7.) T. imperforata, 

 depressa, tenuiuscida, epidermide tenui brevi setosa obducta, 

 albida,fasciis fuscis et nigricantibus varie ornata ; spira vix 

 elevata, superne planata ; anfr. A^, concexiusculi, celeriter ac- 

 crescentes, ultimus subinjlatus, antice breviter dejiexus, basi 

 pallid e fu sea, late areolatus ; apertura perobliqua, truneato- 

 ovalis ; perist. album, marginibus subconnivenfibus, supero ex- 

 pnnso et latere dextro late revoluto, basalt reflexo, prope in- 

 sertionem intus tuberculo minuto dentiformi instructo, loco 

 umbilici in laminam affixam dilatato. 



Diam. maj. 26, min. 20, alt. 12 mill. 



Hab. Ternate {Mr. Wallace). 



Nearly allied to H. exeeptiuncula of Ferussac, and perhaps iden- 

 tical with the shell figured in Fe'russac's plate "3 A. fig. 1, under 

 the name of H. exeeptiuncula, var. 



2. Helix lanceolata, Pfr. (1628 i). (PI. XXXVII. fig. 6.) 

 T. umhilicata, subtrochiformis, acute carinata, solida, striata 

 et minutissime ffranulata, superne cinereo-fuscescens ; spira co- 

 noidea, verticefusco, nitido, acutiusculo ; sutura vix carinato- 

 marffinata ; anfr. 5, convexiusculi, regulariter accrescentes, 

 ultimus nan descendens, basi planiuscula, saturate rufus; 

 apertura diagonalis lanceolata ; perist. expansum et ad cari- 

 nam late revolutum, margine basali fusco, leviter arcuato, sub- 

 late rejlexo, ad insertionem dilatato, umbilicum angustum fere 

 occultante. 



Diam. maj. 27, min. 22i, alt. 14 mill. 

 Hab. Ternate (Mr. Wallace). 



3. Helix atacta, Pfr. (1842 o). (PI. XXXVII. fig. 5.) T. 

 umbilicata, j)erdepressa, tenuiuscula, oblique striata, fultes- 

 centi-albida, fasciis 4 rujis ornata; spira tix elevata, vertice 

 obtuse ; sutura submarginatu; anfr. A\, convexiusculi, ultimus 

 peripheria obsolete angulata, antice subgibbosus, pone aper- 

 turam snbcristatus ; apertura obliqua, elliptica ; perist. album, 

 late expansum et refexum, marginibus approximatis, columel- 

 lari intus vix incrassato, ad insertionem dilatato, umbilicum 

 mediocrem conicum partim occultante. 



Diam. maj. 25^, min. 21, alt. 10 mill. 

 Hab. Ternate. 



4. Helix calypso, Pfr. (1938 a). (PI. XXXVII. fig. S.) T. 

 umbilicata, depressa, solidula, conferte striatula,fulva, ad su- 

 turam rvfo unifasciata ; spira parum elevata, obtusa; anfr. 4, 

 convexiusculi, regulariter accrescentes, ultimus non descendens. 



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