58 
CYCLOPHORUS §. 1 . 
Cyclostoma aquilum Sow. Thes. N. 92. p. 123. t. 27. f. 131. 
— Chemn. ed II. Cycl. N. 5. p. 14. t. 8. f. 1. 2. 
— subtrochiforme Soul. inVoy. Bonite. Moll. t. 30. f. 22 — 24? 
Cyclophorus aquila Pf'r. in Zeitschr. f. Mai. 1847. p. 107. Consp. N. 69. 
— — Gray Catal. Cycloph. p. 16. N. 6. 
ft. Major, transitum quasi formans ad C. tubam; diam. maj. 46, min. 36, 
alt. 26 mill. 
Cyclostoma aquilum var. Chemn. 1. c. t 2. f. 1. 2. 
— pcrdix Sow. Thes. t. 27. f. 128. 
Habitat Singapore (H. Cuming) et in China. (Mus. Brit.) 
98 6. C. JPeorsoaii Benson. -j- 
T. umbilicata, depresso-turbinata , laevigata, obsolete spi- 
raliter striata, supra castaneo-marmorata et late fasciata, sub- 
tus spiraliter castaneo-lineata, fascia alba ad peripheriam, sub- 
tus altera nigro-castanea concurrente ornata; spira depresso- 
conoidea, apice acuto; anfr. 5 convexiusculi , ultimus latus, 
subtus convexus ; apertura vix obliqua, ampla, circularis, intus 
coeridescens ; perist. expansum, undique reflexum, laete auran- 
tium, marginibus callo brevi junctis; umbilicus subangustus, 
pervius, intus angustior. — Operc. ? — Diam. maj. 42, min. 
33, axis 25 mill. (B.) 
Cyclostoma Pearsoni Bens, in Ann. and Mag. New ser. VIII. 1851. 
Cyclophorus Pearsoni Pfr. Consp. N. 70. 
Habitat in montibus Khasya ultra fines provinciae Bengaliae, 
ad Orientem spectantes. 
99 7. C. volvulus (Helix) JTIIiller. 
T. umbilicata, conico-globosa, solida, laevigata, fulvescens, 
castaneo-variegata ; spira conoidea, obtusa; anfr. 5 rotundati, 
ultimus obsoletissime angulatus, fascia lata nigro-castanea infra 
peripheriam ornatus ; _ umbilicus mediocris , infundibuliformis, 
pervius; apertura obliqua, sub circularis , intus coerulescenti- 
albida ; perist. albidum, duplex : internum continuum, incrassa- 
tum, subporrectum, externum reflexum, ad anfractum penulti- 
mum emarginatum. — Operc. extus concavum , margine an- 
fractuum sublamelloso. — Diam. maj. 37, min. 29, alt. 23 mill. 
Ap. intus oblique 17 mill, longa. (Coll. Nr. 34.) 
Helix volvulus Mull. Hist. verm. II. p. 82. N. 280. *) 
*) T. trochiformi, umbilicata, acuminata, variegata; apertura circinnata, 
labro reflexo. — Diam. 11 — U'/*— 22 lin. (Miill. 1. c.) 
