CYCLOPHORUS. 
Pirate XVII. 
Species 77. (Mus. Cuming.) 
CycLoPHorus sTRIGATUS. Cycl. testd profundé excavato- 
umbilicatd, conoideo-semiglobosd, apice obtuso, rosacea, 
subimmerso ; anfractibus angustis, declivi-convexis, spi- 
raliter validé liratis, ultimo paulo descendente ; aper- 
turd pared, circulari, labro via reflexo. 
THE RIDGED CycLopHorvs. Shell deeply excavately 
umbilicated, conoidly semiglobose, apex obtuse, pink, 
rather immersed; whorls narrow, slopingly convex, 
spirally strongly ridged, last whorl a little descend- 
ing; aperture small, circular, lip scarcely reflected. 
Cyclostoma strigatum, Gould, Pro. Bost. Nat. Hist. Soc. 
1847, p. 204. 
Cyclophorus strigatus, Pfeiffer. 
Hab. Upolu, Navigators’ Islands. 
A small strongly developed Trochus-like shell, of a rosa- 
ceous colour, conspicuously spirally ridged throughout. 
Species 78. (Fig. a, 6, Mus. Cuming.) 
CYCLOPHORUS RUFESCENS. Cycl. testé subampliter per- 
spective umbilicatd, orbiculari-depressd, tenuiculd, vel 
rufescente vel albida ; anfractibus subangustis, ad sutu- 
ras impressis, undique valideé acuté spiraliter liratis et 
striatis, liris per marginem undatis; apertura circulari, 
labro simplici. 
THE REDDIsH CycLopHorvs. Shell rather largely per- 
spectively umbilicated, orbicularly depressed, rather 
thin, reddish or whitish ; whorls rather narrow, im- 
pressed at the sutures, everywhere strongly sharply 
spirally ridged and striated, ridges waved along the 
edge; aperture circular, lip simple. 
Cyclostoma rufescens, Sowerby, Pro. Zool. Soc. 1843, p. 
60. 
Cyclophorus rufescens, Pfeiffer. 
Hab. Island of Martinique, West Indies. : 
Closely allied to C. alternans, of smaller growth, more 
coarsely sculptured. 
Species 79. (Mus. Cuming.) 
CYcLOFHORUS GUAYAQUILENSIS. Cycl. testd subam- 
pliter perspective umbilicatd, orbiculari-depressd, tenui- 
culd, flavescente, lineis castaneis cincté ; anfractibus 
angustis, superné planulatis, spiraliter liratis, liris 
gradatim evanidis ; apertura fere circulari, labro sim- 
plici, marginibus disjunctis. 
THE GuayaauiL CyctorHorus. Shell rather largely 
perspectively umbilicated, orbicularly depressed, rather 
thin, yellowish, encircled with chestnut lines; whorls 
rather flat at the upper part, spirally ridged, ridges 
gradually fading; aperture nearly circular, lip sim- 
ple, margins disjoined. 
Cyclostoma Guayaquilense, Sowerby, Thes. Conch. Supp. 
p- 163*. pl. 316. f. 319. 
Cyclophorus Guayaquilensis, Pfeiffer. 
Hab. Guayaquil, Ecuador; Lattre. 
A delicate greenish-yellow shell, banded with numerous 
| pencils of chestnut, pink at the apex. 
Species 80. (Fig. a, 4, Mus. Cuming.) 
CycLopHorus Gurratus. Cycl. testdé late umbilicaté, 
plano-orbiculari, soliduld, nitente, albidd, rufo-fusces- 
cente undique marmoratd ; anfractibus angustis, ro- 
tundatis, levibus, juata suturas planulatis ; apertura 
circulari, labro tenue laminato. 
THE MOTTLED CycLorHorus. Shell broadly umbilicated, 
flatly orbicular, rather solid, shining, whitish, mottled 
throughout with pale red-brown; whorls narrow, 
rounded, smooth, a little flattened next the sutures; 
aperture circular, lip thinly laminated. 
Cyclostoma guttatum, Pfeiffer, Pro. Zool. Soc. 1851, p. 251. 
Cyclophorus guttatus, Pfeiffer. 
Hab. ? 
A rather solid smooth porcelain-like shell, mottled in 
a zigzag manner throughout with pale red-brown. 
Species 81. (Mus. Cuming.) 
CycLopHorts WAHLBERGI. Cel. testd subampliter um- 
bilicatd, depresso-conoided, tenuiculd, virente-corned ; 
anfractibus ad suturas lineari-impressis, deinde con- ° 
vexis, subinflatis, undique capillaceo-striatis, quasi seri- 
ceis ; apertura circulari, labro simplict, superné paulu- 
lum sinuatis, marginibus disjunctis. 
WanuLperG’s Cyctopnorus. Shell rather largely um- 
bilicated, depressly conoid, rather thin, greenish, 
horny ; whorls linearly impressed at the sutures, then 
convex, slightly inflated, everywhere hair-striated, as 
August, 1861. 
