CYCLOSTOMUS &. 6. 215 
peripheria obsolete subangulatus; umbilicus mediocris, profun- 
dus; apertura parum obliqua, subangulato-cireularis; perist. 
contünuum, breviter adnatum, incrassatum, expansiusculum, 
superne angulatum. — Operc.? — Diam. maj. 25'/,, min. 21, 
alt. 15. mill. Ap. c. perist. 14 mill. longa. (Mus. Cuming.) 
Cyclostoma siriatulum Pfr. in Proc. Zool. Soc. 9 Mart. 1852. 
— — Chemn. ed. YI. N. 403. t. 49. f. 1. 2. 
Habitat . . .? 
49. €. fulvescens Sowerby. 355 
T. umbilieata, globoso-conica, tenuiuscula, lineis elevatis 
spiralibus, confertis undique aequaliter sculpta, fusco - fulves- 
cens; spira conica, apice acutiuscula; anfr. 5'/, convexi, ulti- 
mus medio subangulatus ; umbilicus angustus, pervius; apertura 
obliqua, ovalis, intus castanea; perist. simplex, tenue, pallidum, 
breviter expansum, marginibus fere contiguis. — Diam. maj. 
22, min. 18, alt. 16 mill. Ap. 13 mill. iuum 1l lata. (Coll. 
Nr. 150.) 
Cyclostoma fulvescens Som. in Proc. Zool. Soc. 1843. p. 63. *) 
— —- (Som. "Fhes.N..23- p. 09:1. 95. f. 79. 80: 
— — Chemn., ed. II. N. 30. p. 39. t. 5. f. 10. 11. 
Tropidophora? fulvescens Gray Catal. Cycloph. p. 41. N. 12. 
Cyclostomus fulvescens Pfr. Consp. N. 313. 
Habitat in. insula Madagascar. 
43. €. insularis Pfr. 356 
T. perforata, globoso-conica, solidiuscula, spiraliter et 
obtuse erebrilirata, lineis confertissimis longitudinalibus sub- 
scabra, non nitens, sordide albida, fascis nonnullis pallide 
violaceis picta; spira breviter turbinata, obtusula; anfr. 5 con- 
vexi, ad suturam minutissime crenulati, ultimus basi liris ele- 
vatioribus seulptus; apertura vix obliqua, subangulato-circula- 
ris; perist. tenue, undique expansum , reflexiusculum, margi- 
nibus approximatis, callo subemarginato junctis, supero repando, 
sinistro angustiore. —— Operc.? — Diam. maj. 17, min. 13'/, 
alt. 13'/, mill. Ap. intus 9 mill. longa. (Mus. Cuming.) 
*) T. globoso-conica, tenuiuscula, pallide brunnea; spira subacuminata ; 
anfr. 5 rotundatis, confertim spiraliter striatis, ultimo maximo; apertura fere 
cireulari; peritremate tenui; sutura distincta; umbilico parvo. (Sow. l. c.) 
