188 OTOPOMA 8&. 4. 
obliqua, subangulato-rotundata, intus concolor; perist. subex- 
pansum, incrassatum, marginibus disjunctis, dextro superne 
sinuoso, angulato-flexuoso, columellari fornicatim reflexo, ad- 
presso, perforationem fere claudente. —  Operc. testaceum, 
tenumusculum, griseum, anfractibus paucis, rapide accrescen- 
tibus. — Diam. maj. 17, min. 13'/,, alt. 14 mill. Ap. intus 
8 mill. longa, 7 lata. (Coll. Nr. 140.) 
Cyclostoma multilineata Jay Catal. 1839. p. 123. t. 7. f, 19. 13. *) 
— flexilabrum Som. 'Thes. N. 112. p. 130. t. 31. f. 258. 259. **) 
e -— Chemn. ed. IL N: 87. p. 9T4vt/ 0377£ IT2t8t 
— — Jay Catal. 1850. p. 256. N. 5869. 
— flavilabre Petit in Journ. Conch 1850. I. p. 42. 
Tropidophora flexilabrum Gray Catal. Cycloph. p. 41. N. 15. 
Otopoma mulülineatum Pfr. Consp. N. 274. 
Habitat in insula. Madagascar (Powis). 
XN. Cyclostomus Montfort. 
Operculum subovale, testaceum, planum, anfractibus 4——5 
sensim crescentibus, margine simplice, nucleo subexcentrico. 
Testa depressa, globoso-turbinata vel ovato-turrita; apertura 
ovalis; peristoma simplex, rectum vel expansum, interdum 
duplicatum. 
Cyclostomus Montfort Conch. syst. II. p. 286. 
— Gray in Proc. Zool. Soc. 1847. p. 181. n. 514, 
— Pfr. in Zeitschr. £ Malak. 1851. p. 159. Consp. p. 31. 
— et Tropidophora Gray Catal. Cycloph. p. 42 et 37. 
Tropidophora Trosch. in Zeitschr. f. Malak. 1847. p. 44. 
— et Cyclostoma (pars) Pfr. in Zeitschr. f. Malak. 1847. 
p35106- 107. 
Cyclostoma Lam. ev AAuctt. pars. 
*) A very pretty shell, with 5 reddish lines surrounding the body whorl. 
'The umbilieus is closed; the aperture is round, but the margin is indented 
on the external and superior part. — Hab.? (Jay 1l. c.) 
**, T. eloboso -conoidea, crassa, laevi, brunnescente; spira obtusa; 
anfr. 4'/, subventricosis, ultimo rotundato, fasciis eastaneis spiralibus ornato; 
apertura fere circulari; peritremate incrassato, reflexo, postice sinuato; um- 
bilieo minimo, lineari vel clauso, (Sow. l. c.) 
