150 
JAMAICIA. 
maj. 1 2'/,, min. 10, alt. 9 mill. — Operc. 2'/ 2 mill, altum. 
(Coll. Nr. 107.) 
Cyclostoma anomalurn (Jamaicia) Adams Contrib. to Concb. N. 6. 
p. 90.*). 
— — Chcmn. ed. II. N. 382. t. 46. f. 4—6. 
Jamaicia anomala Pfr . Consp. N. 217. 
Habitat in insula Jamaica. 
256 2. «9. IfIoiB$sonia&&a Adams. 
T. umbilicata, globoso-conica, tenuiuscula, spiraliter lirata 
et costulis confertioribus , ad suturam profundam spinulosis 
exasperata, albido-fulvescens , rufo obsolete punctato-fasciata ; 
spira convexo - conica, breviter truncata; anfr. superst. 3 Vi 
convexi, ultimus circa umbilicum angustum, pervium distinc- 
tius spiraliter sulcatus, antice subsolutus; apertura fere ver- 
ticalis , subcircularis ; perist. duplex : internum subproductum, 
externum undique late retroflexum , subsquamose striatum, 
radiato-plicatum , superne anfractui penultimo angulatim adna- 
tum. — Operc. cinereo - albidum , extus convexum, nucleo 
latiore subpiano, anfractibus oblique striatis, carinato-margi- 
natis. — Diam. maj. 14, min. 10V 2J alt. 10V 2 mill. Ap. 5‘/ 3 
mill, longa. (Coll. Nr. 108.) 
Cyclostoma Moussonianum Adams Contrib. to Conch. N. 9. p. 153.**) 
— — Chcmn ed. II. N. 381. t. 46. f. 1 — 3. 
Jamaicia Moussoniana Pfr . Consp. N. 218. 
Habitat in insula Jamaica. 
Obs. Species praecedenti persimilis , umbilico angustiore, sulcis basalibus 
validioribus , peristomate et opevculo discrepans. 
XVI? Lidna Gray. 
Operculum . . .? Testa conica, ultimo anfractu extra 
*) Diverg. media circa 85°; alt. 0,47, lat. max. 0,5, min. 0,385 poll. 
(Ad. 1. c.) 
**) Diverg. media circa 75°; long. 0,54, lat. max. 0,53, min. 0,38 poll. 
— This shell closely resembles C spinulosum , except in the outer peritreme 
and the operculum, which widely distinguish it from the allied species. The 
operculum , however , somewhat resembles that of C. anomalurn , and the 
lip is like that of rctrorsum. (Ad. 1. c.) 
