CYCLOSTOMUS 8$. 2. 3. 205 
25. €. fuseulus Pfr. 338 
'T. angustissime umbilicata, globoso-conica, tenuis, lineis 
elevatis spiralibus subconfertis, liraque peripherica validiore, 
earinaeformi sculpta, vix nitidula, unicolor fuscula, fascia 1 
angusta rufa infra carinam pallidam ornata ; spira conica, 
obtusiuscula ; anfr. 5 convexi, ultimus interdum carina secunda 
superne notatus, basi minute spiraliter suleatus; apertura parum 
obliqua, rotundato-ovalis; perist. simplex, tenue, undique ex- 
pansiusculum, marginibus approximatis, non junctis. — Operc. 
testaceum, planum, cinereum, 4-spirum, nucleo Ure ped — 
Diam., maj. 11'4, min. 9'/,, alt. 9 mill. Ap. 6 mill. longa. 
(Mus. Cuming.) 
Cyclostoma fusculum Pfr. in Proc. Zool. Soc. 1851. Jul. 
— — Chemn. ed. II. N. 336. t. 42. f. 23. 24. 
Cyclostomus fusculus Pfr. Consp. 299. p. 63. 
Habitat... 7 
26. €. troeblea Benson. 1 339 
T. anguste umbilicata, pyramidata, turrita, glabra, albida, 
apice obtusiusculo, sutura impressa; anfr. 5 angulato-convexi, 
superne unicarinati, ultümus tricarinatus, carina 1 superiori, 
l submediana, 1 cireumumbilicari; apertura obliqua, circularis, 
?/, longitudinis aequans; perist. acutum, ad finem carinae 
inferioris vix angulatum; umbilicus pervius. —  Operc.? — 
Diam. 2, long. 3 mill. (Bens.) 
Cuclostoma trochlea Bens. in Ann. and Mag. 1851. VIII. 
Cyclostomus trochlea  Pfr. Consp. N. 300. 
Habitat rare in montibus Nilgherries (Jerdon). 
$. 9. 
?7. €. Madagnsceariensis Grny. 340 
T. umbilicata, globoso-turbinata, solida, sublaevigata, 
lineis elevatis obsoletis sculpta, opaca, carnea, fasciis inaequa- 
libus violaceis ornata; spira turbinata, acutiuscula; anfr. 6 
convexi, rapide acerescentes, ultimus superne albidus, peri- 
pheria unicarinatus, basi convexus, in umbilico lato, subinfun- 
dibuliformi spiraliter suleatus; apertura parum obliqua, sub- 
circularis, intus nitide nigricans; perist. simplex, aurantiacum, 
pallide marginatum , campanulato - expansum, ad anfractum 
penultimum arcuatim emarginatum. — Opere.? — Diam. maj. 
