HELIX §. 43. 44. 159 



Uelix Merziana Pfr. in Proc. Zool. Soc. 18 5?. 



— — Chemn. cd. II. Hcllx N. H06. t. 161. f. 26 — 28. 

 Hal)itat S. Cristoval, insul. Salomonis. 



§. H. 



S50. H. Launccstonensis Reeve. 



T. umbilicata, conoidea, solida, superne virenti-fusca, nii- 

 nutissime granulata, confertim spiraliter striata et liris pluribus 

 elevalis, majoribus et minoribus, nigricantibus cincta; spira 

 conoidea, apice obtusula; sutura impressa; anfr. Sy^ planius- 

 culi , sensim accrescentes , ultimus acute carinatus, antice bre- 

 viter descendens, basi convexior, laevigatus, nitidus, nigricans, 

 fascia 1 virenli-lutea ornalus; apertura perobliqua, truncato- 

 elliptica; perist. subsimplex, marginibus non conniventibus, 

 leviter curvatis, dextro recto, basali subincrassato, juxta um- 

 bilicum mediocrem subreflexo. - — Diam. maj. 31, min. 28, alt. 

 20 mill. (Mus. Curaing.) 



Helix Launcestonensis Heeve in Miis. Cuming. 



— — Chemn. ed. II. Helix N. 1095. t. 161. 



f. 1. 2. 

 Habitat in insula Van-Diemens-Land. 



851. H. costulosa Pfr. 



T. umbilicata, solidiuscula, conoidea , carinata, oblique 

 subtiliter coslulosa, alba, epidermide lutescente induta; spira 

 regulariter conoidea, obtusula; sutura impressa; anfr. oy^ vix 

 convexi, ultimus non descendens, remote subvaricosus , basi 

 paulo convexior; umbilicus subangustus, pervius; apertura 

 obliqua, sublunata; perist. obtusum, marginibus remotis, su- 

 pero recto, basali substricto, breviter reflexo, ad columellam 

 subito ascendente, dilatato. — Diam. maj. 17^^, min. ISy^, 

 alt. 10 mill. (Mus. Cuming. ) 



Helix costidosa Pfr. in Proc. Zool. Soc. 1852. 



— — Chemn. ed. II. Helix N. 11 07. t. 161 . f. 29- 31. 

 Habitat in insulis Salomonis. 



Obs. Testa omnino regularis taaien striictura , varicibus elc. facieni 

 Streptaxeos offert. 



* 



852. trochiformis Fer. (Goil. 429. — Chemn. ed. 



nov. I. p. 97. — Goiild Exped. shelis 1851. p. 

 61. f. 58. — Reeve N. 606. t. 108. — Trocho- 

 niorpha Alb. p. M6 ) Mon. I. p. 206. 



853. nigritella Pfr. (Coll. 430. — Reeve N. 361. t. 



101. — Trochomorpha Alb. p. 116.) - - - 205. 



