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Show 336 LIEUT.-COL. H. H. GODWIN-AUSTEN ON [June 18, Size: maj. diam. 39, min. 20; alt. axis 13*5; body-whorl alt. 18*25 millim. Hab. Molu Hills (Mr. Hose; coll. Hungerford). Only one specimen. This is the most distinct species as compared with C. borneensis that I have yet had to describe. I have named it after the H.E.I. Co.'s steamer, which was with the fleet under Rear- Admiral Sir T. Cochrane. LEPTOPOMA, Blanf. 7. LEPTOPOMA BICOLOR, Pfr. Cyclostoma bicolor, Pfr. P. Z. S. 1852, p. 145, pi. .xiii. fig. 9 Mart. u. Chem. Conch.-Cab. ed. ii. p. 374, pi. xlviii. figs. 25-27. Leptopoma bicolor, Reeve, Conch. Icon. pi. ii. fig. 13 (1862). Hab. Unknown. In British Museum. Borneo according to Pfeiffer. 8. LEPTOPOMA LOWI, Pfr. Leptopoma lowi, Pfr. P.Z.S. 1853, p. 70; Reeve, Conch. Icon. pi. vii. fig. 38. LLab. Dahat Island (Everett) ; Labuan (Low). 8 a. Leptopoma signatum, Pfr. Cyclostoma (Leptopoma) signatum, Pfr. P.Z.S. 1856, p. 338. Leptopoma signatum, Reeve, Conch. Icon. pi. vii. fig. 40. LLab. Borneo ? (Pfr.). In British Museum collection. 9. LEPTOPOMA SERICATUM, Pfr. Cyclostoma (Leptopoma) sericatum, Pfr. P. Z. S. 1851, p. 244. Leptopoma sericatum, Reeve, Conch. Icon. pi. v. fig. 26. Hab. Usukan Island, Niah Hills, Sarawak, Busan Hills, Low Island, Tiga and Karamon Island (Everett). As Issel points out, the varieties of this species are numerous ; he gives five, but I observe a certain constancy in those from different localities. In the collection before me there are 96 from Tiga Island, 84 of which are quite white, with numerous fine very pale grey bands, var. E of Issel; in 12 the shell has a general pale brown appearance, from the bands being darker and crossed by transverse lines of the same colour, near var. B of Issel. From Karamon Island there are 3 specimens similar to var. B. From the Niah Hills 76 specimens are sent; in all, more or less, the banding is conspicuously marked, and in 68 the bands are narrow and regular, var. B ; 3 are like var. D of Issel (Moll. Born. pi. vi. fig. 12), with one broad band on the periphery ; while 5 are violet-brown, the spiral ribbing strong, near var. A of Issel. From Sarawak proper, 8 specimens present a violet tinge, are |
