imiX §. 62. 331 



Helix monochroa Pfr. Symb. II. p. 34. 



— — Chemn. ed. U. Helix N. 324. t. 57. f. 1—3. 

 Ilabitat in insula Tablas Philippinarum (Cuming). 



868. H. mercatoria Grav. ',.,:■,.;-..■.■• ^/:K^L/^'-\.' 



T. umbilicata, turbinato-depressa , solida, costulato-striata, ^" 

 fulva, zona unica rufa, utrinque pallide marginata circumdata; 

 spira elevata, obtusiuscula ; anfr. 6 '/2 convexiusculi, ultimus obso- 

 lete angulatus , basi inflatus; umbilicus angustissimus, vix per- 

 vius; apertura lunaris; perist. incrassatum, breviter reflexum. — 

 Diam. maj. 38, min. 34, alt. 25 mill. (Mus. Brit.) 

 Helix mercatoria Gray in Mus. Brit. 



— — Pfr. in Zeitschr. f. Malak. 1845. p. 154. 

 Habitat in China. 



869. H. Sauliae Pfr. 



T. umbilicata, globoso-depressa, solidiuscula, omique striata, 

 fulvida, medio fascia unica, alba, utrinque rufo-marginata ornata ; 

 spira brevis , obtusa ; anfr. 4 vix convexiusculi , ultimus basi sub- 

 planatus, antice subito deflexus, circa umbihcum angustum, per- 

 vium rufus; apertura perobliqua, lunato-ovalis; perist. breviter 

 reflexum, marginibus conniventibus, callo tenui junctis , columel- 

 lari castaneo , valde dilatato , umbilicum fere occultante. — Diam. 

 maj. 32, min. 27, alt. 20 mifl. (Mus. Cuming. et Saul.) 



Helix Sauliae Pfr. in Proc. Zool. Soc. 1845. p. 72. 

 Habitat . . . ? 



870. H. chlorozona Grateloup. -f 



T. orbiculato-subconoidea, subtus convexa, late umbilicata, 

 nitida, subdiaphana, rufo-castanea , oblique tenuiter striata; anfr. 

 4 — 5; umbihcus pervius; apertura ovata; labrum subreflexum, 

 marginatim luteo-albescens. — Diam. 30, alt. 18 mih. (Gr.) 



Helix chlorozona Grat. in Act. Bord. XI. p. 409. t. 1. f. 4. 

 Habitat in insula Madagascar (Duisabo). 



Obs. «Differt ab H. Nuttalliana zonarum dispositione , apertura non rolun- 

 data , spira conoidea , anfractuum numero. » 



871. H. lucana MuIIer. 



T. aperte umbihcata, depresso-globosa , subpellucida , nitida, 

 superne luteo-fulvescens , subtus et in suturis alba ; anfr. 5 , su- 

 premi lente accrescentes, planulati, ultimus magnus, convexus; 

 apertura lunatOrrotundata; perist. crassum, reflexum, marginibus 



