CYCLOSTOMA. 
Pirate XXII. 
Species 144. (Mus. Cuming.) 
Cyciostoma Prerret. Cyel. testd profundé subexcavato- 
umbilicatd, acuminato-turbinatd, pellucido-albd, an- 
fractibus laxé convolutis, rotundatis, lamellis tenuibus 
spinoso-scabrosis undique annulatis; apertura circular, 
labro parum fimbriato. 
Pretre’s Cycrostoma. Shell deeply rather excavately 
umbilicated, acuminately 
white, whorls loosely convoluted, rounded, ringed 
throughout with fine spinously scabrous lamelle ; 
aperture circular, lip but little frilled. 
D’Orspieny, Moll. Cuba, p. 260. pl. 22. f. 9-11. 
Choanopoma Pretrei, Gray. 
Hab. Interior of Cuba. 
An extremely delicate loosely convoluted sharply turbi- 
nated shell, encircled throughout with fine spine-scaled 
rings. Named after M. Prétre, an eminent conchological 
artist of Paris. 
turbinated, transparent 
Species 145. (Mus. Cuming.) 
CycLostoma TENTORIUM. Cyel. testé laté ampliter wm- 
bilicatd, depresse conoided, solidiusculd, aureo-fulvd, 
sericind, rufo lineari-punctatd, anfractibus angustis 
rotundatis, liris tenuibus spinosis reticulato-decussatis ; 
apertura circulari, parviusculd, labro concavo-fim- 
briato. 
THE PAVILION CycLostoma. Shell broadly largely um- 
bilicated, depressly conoid, rather solid, golden-ful- 
vous, silky, linearly dotted with red, whorls narrow, 
rounded, reticulately decussated with fine spinous 
ridges; aperture circular, rather small, lip concavely 
frilled. 
Preirerer, Zeitschr. fiir Malac. 1850, p. 77. 
Choanopoma tentorium, Pfeiffer. 
fab. Haiti; Sallé. 
A largely-umbilicated shell, of bright golden-fulvous 
silky hue. 
Species 146. (Mus. Cuming.) 
CycLtostoma ADOoLPHI. Cyel. testd profundeé perspective 
umbilicatd, depresso-conoided, fulvd, lineis rufis inter- 
ruptis cingulatd, anfractibus convexis, angustis, spira- 
liter lineuri-sulcatis, suturis crenatis ; labro cireulari, 
parviusculo, fimbriato, fimbrid pone rufo radiatin 
maculata. 
ADOLPHE’s CyYCLOSTOMA. 
cated, depressly conoid, fulvous, encircled with in- 
terrupted red lines, whorls convex, narrow, spirally 
Shell perspectively umbili- 
linearly grooved, sutures crenated ; lip circular, rather 
small, frilled, frill radiately spotted behind with red. 
Preirrer, Pro. Zool. Soc. 1845, p. 142. 
Choanopoma Adolfi, Pfeiffer. 
Hab. Haiti; Sallé. 
A more solid shell than the preceding, not reticulated, 
but sculptured only with spiral engraved lines. 
Species 147. (Fig. a, 6, Mus. Cuming.) 
CycLostomMa HILiIaNnuM. 
bilicatd, globoso-conoided, fulvo-albidd, rufo imterrupte 
Cycl. testé subampliter uni- 
lineaté et fasciatd, anfractibus rotundatis, spiraliter 
tennicostatis, costis striis scabris longitudinalibus dense 
decussatis ; apertura circulari, labro late imbricato- 
fimbriato. 
Hint’s Cycrostoma. Shell rather largely umbilicated, 
elobosely conoid, fulvous-white, lneated and banded 
with red, whorls rounded, spirally finely ribbed, 
ribs closely decussated with longitudinal scabrous 
strie; aperture circular, lip broadly imbricately frilled. 
Apams, Pro. Nat. Hist. Soc. Boston, 1845, p. 11. 
Cyclostoma amandum, Adams. 
Cyclostoma aculeosum, Adams. 
Choanopoma Hillianum, Pfeiffer. 
Hab. Jamaica. 
The two additional synonyms of Professor Adams indi- 
cate varieties in which the last whorl of the shell is more 
or less loosely convoluted. 
Species 148. (Mus. Cuming.) 
CYCLOSTOMA DECUSSATUM. 
catd, oblongo-turbinatd, fulvd, lineis longitudinalibus 
angulosis rufis pictd, anfractibus rotundatis, longitudi- 
naliter densé filoso-liratis, suturis crenatis ; apertura 
subpyriformi-rotundatd, labro rudé fimbriato, fimbria 
superné utringue subdilatatd. 
Tur DECUSSATED CycLostoma. Shell narrowly umbi- 
licated, oblong-turbinated, fulyous, painted with an- 
Cycl. testé angusté umbili- 
April, 1862. 
