194 
CYCLOSTOMUS §.1.2. 
approximate, callo tenui junctis, dextro superne repando, for- 
nicatim expanso, carinis angulato, columellari angusto, vix 
reflexiusculo. — Operc. ? — Diam. maj. 24, min. 19, alt. 9 
mill. Ap. oblique 9 mill, longa. (Mus. Cuming.) 
Cyclostoma modcstum Petit in Journ. Conch. 1850. I. p. 50. t. 4. f. 2. *) 
— — Chcmri. ed. II. N. 333. t. 42. f. 16 — 18. 
Cyclostomus modestus Pfr. Consp. N. 281. 
Habitat in montibus insulae Abd-el-Goury. 
321 8. C. Stratus Pfr. 
T. late et perspective umbilicata, subdiscoidea , solidula, 
radiatim striata, superne et basi confertim et acute lirata, non 
nitens , livido - carnea ; spira vix elevata , vertice papillari ; su- 
tura profunda; anfr. 4 vix convexi, ultimus ad suturam de- 
pressus, ad peripheriam carinis 5 — 6 distantioribus, majoribus 
munitus, antice descendens; apertura perobliqua, oblongo- 
circularis ; perist. duplex : internum continuum , obtuse promi- 
nens, externum dilatatum, expanso - inflexum , latere sinistro 
angustissimum. — Operc.? — Diam. maj. 18, min. 14y. 2 , 
alt. 7 — 8 mill. (Mus. Cuming.) 
Cyc/osfoma liralum Pfr. in Proc. Zool. Soc. 9 Dec. 1851. 
_ _ Chemn. cd II. N. 340. t. 42. f. 9. 10. 
Cyclostomus hr ulus Pfr. Consp. N. 282. p. 61. 
Habitat . . .? 
§• 2. 
322 9. C. eaiBipaniilatus Pfr. 
T. anguste umbilicata, turbinata, solida, confertissime 
striatula, lutescente, griseo et saturate carneo irregulariter 
variegata; spira conica, elevata, apice obtusiuscula ; anfr. 6, 
supremi convexi, ultimi rapide accrescentes , angulati, ultimus 
carinis 2 acute elevatis , pluribusque obsoletioribus cinctus, 
basi profunde et confertim sulcata in umbilicum infundibuli- 
formem, vix pervium abiens; apertura ovali-rotundata, superne 
subangulata, intus atro-castanea, nitidissima; perist. continuum, 
*) T. orbiculato-depressa , late umbilicata, pallidissime fusca, spiraliter 
valde sulcata, subtricarinata, transversim tenue et crebre striata; anfr. 5 de- 
presso-convexis , sutura profunda discretis ; apertura suborbiculari , obliqua; 
labro reflexo , antice quadrangulato ; angulis medianis majoribus. — Diam. 
26, alt. 12 mill. (Petit 1. c.j 
