•239 



Helix Clotho Desh. in Fer. hist. I. p. 57. N. 76. t. 691. f. 3. 

 Habilat in insula Madagascar. 



1397. H. Lachcsis Ferussac. -{• 



T. orbiculato-subdiscoidea, laevigata, supra fusco-castanea, 

 subtus alba; anfr. 5, primi planiusculi, alteri convexiusculi, 

 ultimus ad peripheriam obtusissime subangulatus, subtus con- 

 vexus, late uml^ilicatus; umbilicus intus fuscus; apertura in- 

 cumbens, ovato-oblonga, superne fuscescens, inferne alba, mar- 

 ginibus retlexis. — Diam. 45, alt. 20 mill. (Dh.) 

 Helix Lachesis Feruss. Mus. 



— — Desh. in Fer. hist. I. p. 57. N. 75. t. 69 H. f. 3. 4. 

 Habitat in insula Madagascar. 



1398. H. Atropos Ferussac. •{• 



T. orbiculato-depressa, apice obtusa, irregulariter striata, 

 castanea^ transversim albo-trizonata; anfr. 5 convexiusculi, ul- 

 timus major, basi oblique depressus, late umbilicatus; apertura 

 alba, obliquissima, ovato-oblonga, marginibus reflexis. — Diam. 

 38, alt. 23 mill. (Dh.) 

 Helix Atropos Feriiss. Mns. 



— — Desh. in Fer. hist. I. p. 56. N. 74. t. 69 H. f. 1 3. \ 4. 

 Habitat in insula Madagascar. 



1399. H. granulosa Ferussae. *!* 



T. orbiculato-depressa, apice obtusissima, ad peripheriam 

 obscure angulata, aljjo-fuscescens , basi umbilico latissimo per- 

 forata; anfr. 6 convexi, granulosi, sutura profunda separati; 

 apertura ovata, incumbens, marginibus subconjunctis, latera- 

 liter inflexis. — Diam. 45, alt. 17 mill. (Dh.) 

 Helix granulosa Feruss. Mus. 



— — /)6?s/?. inFer. hist.I. p. 61.N. 8 0. t. 69H. f. 7 — U). 

 Habitat in insula Madagascar. 



1400. H. consanguinca Ferussac. •{* 



T. orbiculato-depressa, iaevigata, albo-fuscescens, superne 

 fusco-bizonata; anfr. 5 convexiuscuh , subconjuncti, ultimus 

 basi umbilicatus; umbilicus intus fusco-nigrescens; apertura 

 obhqua, ovato-transversa; labrum reflexum, pallide fusco-ru- 

 bescens. — Diam. 28, alt. 15 mill. (Dh. ) 

 Helix consanguinea Fertiss. Mus. 



— — Desh. in Fer. hist. I. p. 59. N. 78. t. 69H. f 1.2. 

 Uabitat in insula Madagascar. 



