120 CYCLOSTOMUS §. 6. 



50. c? siiiuatus Pfr. 



T. umbilicata, globoso-tiirbinata, solida, laevigata, vix 

 nitidula, alba; spira turbinata, acutiuscula; anfr. 5^2 convexi, 

 prope suturam liris 5 filaribus cincti, ultimus rotundatus, circa 

 umbilicum angustum , pervium liris paulo confertioribus scul- 

 ptus; apertura vix obliqua, subcircvilaris ; perist. breviter ex- 

 pansum, marginibus callo subexciso junctis, dextro superne 

 repando, fere sinuoso, columellari non latiore. — Operc. ? — 

 Diam. maj. 22, min. 18, alt. 17 mill. Ap. intus 10 mill. 

 longa, 9 lata. (Mus. Cuming.) 



Cyclostoma sinuatum (Cyclostomus ?} Pfr. in Proc. Zool. Soc. 1855. 

 p. 105. 

 Habitat in insula Madagascar? 



* 



51? striatulus Pfp. (Proc. 1852, p. 147.— Ch. ed. 

 nov. p. 375. t. 49. f. 1. 2. — Gray Phan. p. 150. 



— j4d. Gen. p. 291 et Cyctophorus striatiilus Ad. 



Gen. p. 280.) Mon. p. 214. 



52. fuivei^CtMls Sow. (Coll. 218. — Gray Phan. p. 



150. — Ad. Gen. p. 291.) - - 215. 



53? ictericus Sow. (Cyclophorus? ictericus Pfr. 



Pneum. n. 47. — Gray Phan. p. 56. — Ad. Gen. 



p. 280.) - - 81. 



54. C- niierocliaSBna Pfr* 



T. umbilicata, depresse turbinato-globosa, tenuiuscula, 

 spiraliter confertim lirata, striis incrementi vix decussatula, 

 albido-lutescens ; spira turbinata, obtusula; anfr. 4i/o convexi, 

 ultimus teres , infra peripheriam fascia latiuscula castanea or- 

 natus ; umbilicus conicus, i/^ diametri fere occupans ; apertura 

 parum obliqua, parvula, fere circularis; perist. tenue, vix ex- 

 pansiusculum, marginibus fere contiguis, ad anfr. penultimum 

 callo brevi junctis. — Operc. ? — Diam. maj. 18, min. IS*/^, 

 alt. 12 mill. Ap. 10 mill. longa, 8 lata. (Mus. Cuming.) 

 Cyctostoma inicrochasma (Cyclostonius) Pfr. in Proc. Zool. Soc. 1856. 

 p. 338. 



Habitat in insula Madagascar. 



* 



55. Insularia Pfr. (Coll. 219. — Proc. 1852. p. 64. 



— Ch. ed. nov. p. 351. t. 45. f. 5. 6. — Gray 



Phan. p. 151. — Ad. Gen. p. 291.) ....'. Mon. p. 215. 



56. C. sarcodes Pfr. 



T. umbilicata, turbinata, solidula, liris obtusis subconfertis 

 striisque illas transgredientibus creberrimis sculpta, carnea, 



