1895.] BORNEO AND NBIGHBOUBrNG ISLANDS. 115 



the identity of this variety with the present species, but until we 

 have more conclusive evidence to the contrary it seems to me 

 advisable to consider it as such. 



45. AnPHiDROiius PEEVERSTJS, var. (Plate III. fig. 19.) 



Hah. Sadong, West Sarawak. 



The two dextral specimens belong to the variety named Bulimus 

 atncallosiis by Gould, which was founded upon specimens collected 

 in Tavoy, Burmah. 



B. eques, Pfeiffer, also belongs to this variety. The types appear 

 to have been bleached, either naturally or artificially. 



Neither of the Sadong examples exhibit any periodic oblique 

 black stripes. 



46. Amphidkomus hosei. (Plate III. fig. 2U.) 



Testa pai'va, rimata, sinistrorsa, elomjata, cornea, nub ejpiclermide 

 tenuisslma pallide jlava, linea anc/tista rnfo-purpurea circa 

 anf. ultlmi medium et supra suturam cincta, versus apicemfusco' 

 maculata ; anfractus 7, conveanuscuU, lineis incrementi tenuissi- 

 mis et obliquis striati, lente reyulariter crescentes, ultimus bi'evis, 

 circa rimam angustam nigro tinctus ; apertura inverse auri- 

 formis, pallide Jlavescens, linea rufo-purpurea mediana picta, 

 longit. totius 3 paulo superans ; peristoma album, breviter 

 expansum et reflexum, margine columellari incrassato breviter 

 dilatato. 

 Longit. 31 millim., diam. 14 ; apertura 1 1 longa, intiis 7 lata. 

 Hab. Meri, Sarawak (C. Hose). 



A small species, rather like A. suspectus. Martens, from Timor 

 aud Sumbawa. It is differently coloured, the increase of the 

 whorls is slower, and the body-whorl aud aperture are smaller. 

 The apex is not black, and the fourth and fifth volutions exhibit 

 some pale brown spots or stripes. Only a single specimen ex- 

 amined. 



47. Cyathopoma eveeetti. (Plate III. figs. 21, 22.) 



Testa minuta, aperte et perspective umbilicata, breviter conoidea, 

 cornea ; anfractus 4|, primi duo Iceves, convexi, magni, nucleum 

 obtuswn formantes, penultimus tricar inat-us, carina mediarui 

 aliis magis conspiciia, idtimus circa medium tricarinatus, circa 

 umbilicum carina tenui prominente et intus carinis duobus 

 minoribus instructus, inter carinas microscopice reticulatus; 

 apertura subtriangularis, infeme acuminata, effusa ; peristoma 

 continuum, margine externa ad carinas triangulato, intus paulo 

 incrassato, columellari arcuato, tenuiore. 



Diam. maj. 2 m,illim., alt 2. 



Hab. Eumbang, Sarawak. 



A minute species, weU characterized by the strong carinse, the 

 large apex, and triangular aperture. 



8* 



