CYCLOPHORUS $. 9. 10. 93 
Cyclostoma slenostoma var. Chemn. |, c. t. 20. f. 18. 19, 
Habitat in Arabia (Powis), in sylvis cacuminum montium 
Nilgherries (Jerdon teste Benson); var. 8 in Cochinchina? 
69. €. loxostomus Pfr. 161 
T.late umbilicata, depressa, discoidea, solidula, confertim 
filoso-striata, fusco-fulva, maculis pallidioribus conspersa; spira 
plana, vertice subtili haud prominente; anfr. 5 convexiusculi, 
sensim accrescentes, ultimus teres, antice dilatatus, non de- 
scendens; umbilicus latus, pateraeformis, '/, diametri superans ; 
apertura diagonalis, subcircularis, intus margaritacea; perist. 
continuum, breviter adnatum, rectum, subduplicatum, vix in- 
crassatum. — Operc.? — Diam. maj. 13?/4, min. ll, alt. 4 
mill. Ap. oblique 5 mill. longa. (Mus. Cuming.) 
Cyclostoma loxostomum (Cyclophorus) Pfr. in Proc. Zool. Soc. 1852. 
9 Mart. 
— — Chemn. ed. II. N. 406. t. 49. f. 11—13. 
Habitat in insula Ceylon (Lear). 
$. 10. 
70. €.? purus Forbes. 621 
T. latissime umbilicata, depressa, tenuis, lineis confertis 
elevatis filoso- sculpta, stris incrementi confertissimis subcla- 
thrata, unicolor alba; spira vix elevata, vertice subacuminato ; 
anfr. 6 convexiusculi, rapide accrescentes, ultimus latus, sub- 
depressus, basi convexus; apertura obliqua, angulato-circu- 
laris; perist. simplex, acutum, marginibus remotis. — Operc.? 
— Diam. maj. 51, min. 43, alt. 20 mill. (Mus. Cuming.) 
Cyclostoma purum Forb. in Proc. Zool. Soc. 1850. p. 56. t. 9. f. 9. *) 
— —  Chemn. ed. II. N. 226. t. 32. f. 14. 15. 
Cyclophorus? purus Pfr. Consp. N. 132. 
Habitat . 2v 
*) T. orbieulari, depressa, alba, nitidula, spira elevatiuseula, luteola; 
anfr. 6 rotundatis, spiraliter suleatis, suleis numerosis, transverse striatis ; 
apertura subcirculari, obliqua, peritremate simplici; umbilico maximo ; oper- 
eulo —? — Diam. 48, alt. 17 mill. (Forb. 1. e.) 
