Adledlenede o£ Corrigendes. 
p. 7. De animale Geomelaniae conf. 4fríh. Adams in Proc. Zool. Soc. 
1849. p. 169. 
p. 7. Geomelania Jamaicensis Petit in Journ. Conch. 1851. I. t. 2. f. 4. 
p. 31. Cyclost. volvuloides Som. t. 31 B. f. 312. 313. (non 314.) 
p. 31. Cyclostoma aratum Bens. (Aun. and Mag. VIII. p. 190) tamquam 
synonymum subjungatur C'ycloto subdiscoideo Som. (N. 53.) 
p. 40. Cuclotus Taylorianus Pfr.  Synon.: €. Charbonnieri Récl. in 
Journ. Conch. 1851. IL. p. 214. t. 5. f. 12. 13. 
p. 43. Plerocyclos planorbulus Lam. —  Desh. "Traité élém. t. 82. f.3. 4. 
p. 47. Pterocyclos nanus Bens. (Ann. and Mag. 1851. VIII. p. 450), 
Chemn. ed. II. Cyclost. t. 49. f. 31— 33. 
p. 52. Cyclostoma Lyonnetianum (Hygrobium) Lome in Ann. and Mag. 
IX. Apr. 1852, et Synops. diagn. p. 15. N. 70. 
p-52- 1. 14, adde: 
3. €mFr. eostatum Shuttleworth. 892. 
T. rimato-subperforata, globoso-conica, tenuis, pulcherrime 
costata, costis lamelliformibus, in anfr. ultimo versus aperturam 
evanidis, fusco-cornea; spira acuta; anír. 5 convexi, ultimus 
basi inflatus; sutura profunda; apertura circularis; perist. 
duplex: externum tenue, membranaceum, internum paululum 
recedens, albo-incrassatum. — Operc. membranaceum, palli- 
dum, arectispirum, subtus lamina prominente in aperturam 
intrante auctum, aperturam superficialiter claudens. — Diam. 4, 
alt. 4 mill. (Sh.) 
Cyclostoma (Craspedopoma) costatum Shuttl. Diagn. n. Moll. N. 1. p. 11. 
Habitat in insula Palma. (Dlauner). 
3H 
p. 53. .ulopoma [lieri 8, adde: Cuyclostoma Hoffmeisteri Bens. in Anu, 
and Mag. 2d. ser. VIL. p. 265 (eum descript. animalis). 
p. 58. C, Pearsoni Bens. l c. p. 185; Chemm. ed. lL. N. 41ll. t, 49. 
f. 34— 936. 
