Lu 
CYCLOTUS $. 1. 27 
Cyclotus jamaicensis Gray Catal. Cycloph. p. 11. Nr. 28. (ex synon.) 
— corrugatus Pfr. Consp. N. 16. 
Habitet in insula Jamaica. 
17. €. jugosus Adams. 43 
T. umbilicata, depressa, solida, confertim striata, sub epi- 
dermide fulvo-fusca alba; spira brevissime elevata, mucronulo 
rubicundo terminata; sutura levis; anfr. 5 depresso- convexi, 
rapide aecrescentes, ultimus antice dilatatus, superne irregu- 
lariter et ruditer nodoso-corrugatus, basi oblique corrugato- 
sulcatus, circa umbilicum magnum, infundibuliformem obsolete 
carinatus; apertura perobliqua,, transverse ovalis, intus alba; 
perist. continuum, breviter adnatum, marginibus superne angulo 
interdum superstructo junctis, dextro repando, obtuso , colu- 
mellari leviter arcuato, incrassato. — Operc. concavum, $8- 
spiratum, marginibus anfractuum angustorum in laminam altam, 
incurvatam erectis. — Diam. maj. 24, min. 18, alt. 12 mill. 
Ap. c. perist. oblique 12'/, mill. longa. (Coll. Nr. 13.) 
Cyclostoma jugosum .4dams Contrib. to Conchol. N. 8. p. 143. 
— — Chemn. ed, II. Cycl. N. 358. t. 44. f. 10—13. 
Cyclotus jugosus Pfr. Consp. N. 17. 
Habitat in insula Jamaica. 
18. €. pallescens Adam is. T 44 
T. umbilicata, depressa, subtihter et regulariter striata, 
sub epidermide fusca alba; spira depressa, rufula; sutura mo- 
dice impressa; anfr. fere 5, ultimus irregulariter striatus, su- 
perne planatus, ruditer et irregulariter rugatus, basi sublaeviga- 
tus; carina boats nulla ; apertura orbieularis, superne sub- 
effusa et acuminata; labrum superne vix sinuatum, latere 
dextro modice productum; umbilhci diameter circa ?/, aper- 
turae. — Opere. 6—7-spiratum, anfr. concavis, lamella spi- 
rali erecta, reflexa. — Diverg. media 145*; alt. 0,67, lat. max. 
1715, min. 0,905 CA.) 
Cyclostoma pallescens 4dams Contrib. to Conch. N. 8. p. 143. 
Cyclotus pallescens Pfr. Consp. N. 18. 
Habitat in insula Jamaica. 
19 €. varians Adams. 45 
T. umbilicata, depressa, solida, sub epidermide castaneo- 
rufa pallida; spira vix elevata, vertice rubro mucronulato ; 
