336 LIEUT.-COL. H. H. GODWIN-AUSTEN ON [JunC 18, 



Size: maj. diam. 39, inin. 20; alt. axis 13'5 ; body-whorl alt. 

 18-25 millim. 



Hab. Molu Hills (ilfr. Hose ; coll. Hungerford). 



Only one specimen. This is the most distinct species as compared 

 \\ith 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. 



/i * . 7. Leptopoma bicolor, Pfr. 



Cyclostoma bicolor, Pfr. P. Z. S. 18.52, 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. 



Hab. Dahat Island {Everett) ; Labuan (Loiv). 



.9 f^ 8 a. Leptopoma signatum, Pfr. 



Cyclostoma (Leptojyotna) signatum, Pfr. P. Z. S. 185G, p. 338. 

 Leptopoma signatum, Reeve, Conch. Icon. pi. vii. fig. 40. 

 Hab. 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. Usulcan Island, Niah Hills, Sarawak, Busau 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 7Q specimens are sent ; in all, more or less, 

 the banding is conspicuoiisly marked, and in (38 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 perijihery ; while 5 are violet- 

 brown, the spiral ribbing strong, near var. A of Issel. 



From Sarawak proper, 8 specimens present a violet tinge, are 



