CYCLOSTOMUS $. 2. 199 
Cyclostomus carinatus. Pfr. Consp. N. 288. 
Habitat . . .? 
Obs. Figura supera Listeri t. 28 ad praecedentem potius referenda 
videtur. 
15. €. umicolor Pfr. 328 
T. umbilieata, globoso-conica, solida, longitudinaliter 
striatula, spiralier confertim sulcata, opaca, albida; spira 
conica, apice fulva, obtusiuscula; anfr. 5 convexiusculi, ulti- 
mus superne et medio acute carinatus: carina tertia, validis- 
sima circa umbilieum angustum, infundibuliformem, intus pro- 
funde spiraliter suleatum ; apertura parum obliqua, angulato- 
circularis; perist. simplex, marginibus callo lunatim exciso 
junctis, dextro expansiusculo, sinistro medio angulatim incras- 
sato. — Operc.? — Diam. maj. 28, min. 22, alt. 20 mill. 
Ap. 12'/, mill. longa, 12 lata. (Mus. Cuming.) 
Cyclostoma unicolor Pfr. in Proc. Zool. Soc. 1851. Jul. 
— —  Chemn. ed. II. N. 289, t. 39. f. 5. 6. 
Cyclostomus unicolor Pfr. Consp. N. 289. p. 62. 
B "T. minore, fulvido-straminea, longitudinaliter confertim striata; diam. maj. 
20, min. 17, alt. 16 mill. (Mus. Cuming.) 
Cyclostoma unicolor var. Chemn. l. c. t. 39. f. 7. 
Habitat... .? 
16. €. deliciosus Férussac. 329 
T. umbilicata, globoso-turbinata, tenuiuscula, striata, 
medio carinis 3 acutis, pluribusque minoribus munita, cinna- 
momea; spira turbinata, apice acutiuscula; anfr. 5'/, angulato- 
convexi, ultimus superne convexiusculus, lineis nonnullis ele- 
vatis sculptus, basi convexior, circa umbilicum mediocrem, 
infundibuliformem — subeonfertim — spiraliter  liratus; apertura 
obliqua, ovalis; perist. simplex, marginibus approximatis, callo 
tenui junetis, dextro expanso, columellari reflexo. — Operc.? — 
Diam. maj. 23, min. 18, alt. 17 mill. (Mus. Cuming.) 
Cyclostoma deliciosum Feruss. Mus. 
— -— Som. 'Thes. Suppl. N. 186. p. 162 *. t. 31B. 
£ 314. 505. *) 
*) T. subgloboso- conica, aurantiaco-castanea, albo-lineata; spira sub- 
acuminata, apice obtusiusculo; anfr. 4'/, rotundatis, posticis unicarinatis, 
ultimo bi- vel tricarinato, carinis albis; sutura subinconspicua, albicante:; 
apertura fere circulari, superne subcanalifera, peritremate tenuiusculo, reflexo. 
