OMPHALOTROPIS §. 2. 
311 
Hydrocena? dubia Pfr. in Zeitschr. f. Mai. 1847. p. 112. 
Realia dubia Gray Catal. Cycloph. p. 63. N. 6. 
Omphalotropis dubia Pfr. in Proc. Zool. Soc. 1851 ; Consp. N. 460. 
Habitat in insula Opara (H. Cuming.) 
11. O. imiltilirata Pfr, 513 
T. perforata, ovato-conica, solidula, liris elevatis acutius- 
culis subconfertis, mediana et basali validioribus sculpta, opaca, 
rubello- carnea; spira conica, acutiuscula; anfr. 5'/ 2 , superi 
subplani, ultimus convexior; apertura parum oblicpia, angulato- 
ovalis; perist. simplex, rectum, marginibus approximate, colu- 
mellari superne emarginato, deorsum dilatato, reflexiusculo. — 
Operc. ? — Long. 8'/ 2 , diam. 5 mill. Ap. 4 mill, longa, 3 
lata. (Mus. Cuming.) 
Cyclostoma multiliratum (Omphalotropis) Pfr . in Proc. Zool. Soc. 1851. 
Omphalotropis multiliraia Pfr. Consp. N. 461. p. 70. 
Habitat in insula Mauritii (Sir David Barclay). 
12. O. globosa Benson. 514 
T. umbilicata, globoso-conica, tenuis, subtilissime striatula, 
diaphana, non nitens, cinnamomea, maculis opacis albidis sub- 
fasciatim dispositis ornata; spira conica, apice peracuta; anfr. 
6, superi vix convexi, ultimus globosus, carina basali subtili, 
filari; apertura parum obliqua, ovalis; perist. simplex, margi- 
nibus fere contiguis, dextro perarcuato, columellari medio 
dilatato, patente. — Operc. tenuissimum, corneo - lutescens, 
extus concaviusculum. — Long. 8, diam. 5 mill. Ap. 4 mill, 
longa, 3 V 3 lata. (Coll. Nr. 234.) 
Cyclostoma globosum Bens. mss. teste Barclay. 
_ _ Chemn. ed. II. N. 295. t. 39, f. 14—16. 
Omphalotropis globosa Pfr. in Proc. Z. S. 1851; Consp. N. 462. p 71 
Habitat in arboribus syl varum insulae Mauritii (Sir D. Barclay). 
13. ©. filacosa Pfr. 515 
T. perforata, ovato-conica, tenuis, longitudinaliter confer- 
tim plicata, sericea, rubello-cornea; spira conica, acuta; anfr. 
5 convexiusculi , ad suturam crenulati, ultimus spiram subae- 
quans, rotundatus, circa perforationem angustam compresse 
subcarinatus ; apertura vix obliqua, ovalis; perist. simplex, 
rectum, marginibus approximate, columellari reflexiusculo, — 
