148 Zoological Society. 



36. AcHATiNA viOLACEA, Pfr, A. tcstd oUongo-conicd, solidd, 

 striatd, parum nitente, violaced; spird elongato-conicd, sursum ru- 

 bella, apice obtusd ; suturd Icevi, marginatd ; anfractibus 7, con- 

 vexiusculis, ultimo ^ longitudinis subcequante, infra medium angu- 

 lato ; columelld subarcuatd, tenuiter callosd, supra basin aperturce 

 obliqu<E, angulato-ovalis breviter truncatd ; peristomate simplice, 

 recto. 



Long. 38, diam. 18 mill. 

 Hab. in Africa occidentali. 



37. AcHATiNA (Glandina) attenuata, Pfr. A . testa oblongo' 

 fusiformi, gracili, tenui, leevigatd, nitidissimd, fulvd, strigis 

 arcuatis saturatioribus pictd ; spird elongato-conicd ; apice obtu- 

 siusculd ; suturd Icevi, subsimplice ; anfractibus 7, planiusculis, 

 ultimo |- longitudinis subcequante, basi attenuato ; columelld sub- 

 callosd, leviter arcuatd, subtortd, basi oblique truncatd; aperturd 

 angustissimd , oblongd, superne acuta, prope basin sinistrorsum 

 dilatatd; peristomate simplice, margine dextro repando. 



Long. 31, diam. 11 mill. 

 Hab. in America central!. 



38. Helix subrugata, Pfr. H. testd subperforatd, depresso- 

 turbinatd, distanter subrugatd, pellucidd, pallide corned; spird 

 breviter conoided, acutiusculd ; anfractibus 5^6, planiusculis, 

 ultimo carinato, basi convexiusculo, Icevigato ; aperturd diagonali, 

 subangulato-lunari ; peristomate recto, acuto, margine columellari 

 superne vix reflexiusculo. 



Diam. maj. 13, min. 11^, alt. 6^ mill. 

 Hab. ad Clarence River, New South Wales. 



39. Helix otostoma, Pfr. H. testd anguste umbilicatd, sublen- 

 tiformi, solidd, acute carinatd, striatd et subtiliter granulatd, 

 olivaceo-nigricante vel castaned; spird subconoideo-convexd, ob- 

 tusd; anfractibus 5, planiusculis, ultimo utrinque convexo, antice 

 subito deflexo, supra et infra carinam ascendentem profundi scro- 

 biculato ; aperturd perobliqud, subrhombeo-ensiformi, ringente ; 

 peristomate continuo, ad anfractum penultimum sinuoso, medio 

 laminam longe intrantem emittente, margine supero dente conico 

 obtusulo munito, basali medio subangulatim descendente, parte 

 sinistrd dentem validum, compressum, jmrte dextrd dent em leviter 

 et irregulariter bifurcatum gerente. 



Diam. maj. 31, min. 26, alt. 13 mill. 

 Hab. in Andibus Novse Granadse. 



40. Helix annulifera, Pfr. H. testd umbilicatd, depressd, len- 

 tiformi, carinatd, solidd, striatd et minute granulatd, saturate cas- 

 taned, ad carinam acutam late albo-fasciatd ; spird breviter co- 

 noided, obtusd ; anfractibus 5, planiusculis, ultimo antice breviter 

 deflexo, basi convexo, antice strangulate et scrobiculato ; umbilico 

 mediocri ; aperturd subhorizontali, irregulari, ringente; peristo- 

 mate subincrassato, albo, continuo, margine parietali perarcuato, 

 laminam elongatam intrantem emittente, i?i umbilicum descendente 

 et cum basali parallelo juncto ; margine basali usque ad medium 



