LEPTOPOMA.—Ptate VII. 
arcuately tessellated with chestnut; whorls narrow, 
convex, keeled at the periphery, spirally five-ridged 
above; decussately ridged below; aperture small, cir- 
cular, lip thinly reflected. 
Cyclostoma barbatum, Pfeiffer, Pro. Zool. Soc. 1855. 
p- 104. 
Leptopoma barbatum, Pfeiffer. 
Hab. Sarawak, Borneo. 
A very characteristic species, partaking more of the 
generic character of Cyclophorus than of Leptopoma. 
Species 43. (Fig. a, 6, Mus. Cuming.) 
Lepropoma Cuinunse. Lepé. testa subampliter wmbili- 
catd, depresso-turbinatd, fulvo-fuscd, obscure marmo- 
ratd, infra peripheriam castaneo-fasciatd ; anfractibus 
angustis, rotundatis, levibus, ad suturas impressis ; 
apertura circulari, labro tenué reflexo. 
Tue Cuina Leptopoma. Shell rather largely um- 
bilicated, depressly turbinated, fulvous-brown, ob- 
scurely marbled, banded with chestnut beneath the 
periphery; whorls narrow, rounded, smooth, im- 
pressed at the sutures; aperture circular, lip thinly 
reflected. 
Cyclostoma Chinense, Pfeiffer, Pro. Zool. Soc. 1854. 
p- 299. 
Cyclotus ? Chinensis, Pfeiffer. 
Hab. Hongkong, China; Fortune. 
This little species, after being referred with doubt to 
Cyclotus, has been removed in Mr. Cuming’s cabinet to 
Leptopoma. 
Species 44. (Mus. Cuming.) 
LEPTOPOMA TENEBRICOSUM. 
cata, subgloboso-turbinatd, sordidé castaned, obscuré 
Lept. testé modice wnbili- 
strigatd, infra peripheriam zonuld pallida cingulatda ; 
anfractibus rotundatis, rugoso-striatis ; apertura cir- 
culari, labro tenué reflexo. 
THe park Lepropoma. Shell moderately umbilicated, 
rather globosely turbinated, dark chestnut, obscurely 
streaked, encircled with a pale zone beneath the peri- 
phery; whorls rounded, roughly striated; aperture 
circular, lip thinly reflected. 
Cyclostoma tenebricosum, Adams and Reeve, Moll. Voy. 
Samarang, p. 57. pl. 14. f. 6. 
Leptopoma tenebricosum, Pfeiffer. 
| Hab. Balambangan, Borneo; Belcher. 
A dark-chestnut shell of very simple character. 
