284 PKOCBEDINGS OF THE MALACOLOGICAL SOCIETY. 



DESCRIPTION OF EEMIPLECTA FLOWERI, n.sp., FROM PERAK. 



By Edgae a. Smith, F.Z.S., etc. 



Read lOth March, 1899. 



Hemiplecta Floweri, n.sp. 



Testa orbicularis, late ' perspective umbilicata, flavo-olivacea, supra 

 peripheriam zona pallida infra rufo marginata cincta, infra zonam 

 saturate olivaceo tincta, circa umbilicum rufo-fusca ; spira brevissime 

 conica, ad apiceni obtusa; anfractus 7, sublente accrescentes, con- 

 vexiusculi, linea suturali alba rufo marginata sejuncti, superiores 3-4 

 fere Iseves, caeteri lineis incrementi obliquis arcuatis sculpti, 

 irregulariter tenuiter et confertim oblique striati, ultimus antice vix 

 descendens, ad peripheriam rotundatus, infra concentrice irregulariter 

 tenuiter striatus ; apertura obliqua, latissime lunata, intus cterulescens; 

 peristoma simplex, baud incrassatum, marginibus leviter conniventibus, 

 columellari ad insertionem vix expanse aut reflexo. 



Diam. maj. 64, min. 51 mm. ; alt. 38 mm. 



..^ 



Eemiplecta Flotceri, n.sp. 



Hal. — Maxwell's Hill, Larut, Perak. 



This very fine species is distinguished by the wide rich brown 

 perspective umbilicus, the orbicular form, and peculiar oblique sub- 

 wrinkly striation. The coloration is also distinctive. The sutural 

 line itself is white. This is margined on the outside with a dark 

 rufous line half a millimeter to a millimeter in width. The body- 

 whorl slightly above the middle exhibits a pale zone 2-3 mm. in 

 breadth, which is bordered beneath with a dark-red band of about the 

 same width. Beneath this there is a broad dark-olive zone, which 

 gradually becomes lighter upon the base of the whorl until the rich 

 brown of the umbilicus is reached. A feature exhibited by this and 



