320 ^Ii-. E. A. Smith on 



Hub. Mauritius. 



This is a narrow elongated species, agreeing somewhat iii_ 

 form with P. hdescens, Reeve. There is a faint indication of 

 spiral striation. 



Pleurotoma [Mangilia) grata. 



Testa acuminato-ovata, vix tnrrita, flavo-cornea, inter costas prope 

 sed infra suturam purpnreo-fusco tineta, et supra eostas lineis 

 purpureo-fuscis, interstitiis interruptis (in anfr. superioribus 3-4, 

 in ultimo 4-5) cincta ; anfr, 7, primi duo Iseves, convexi, ca^teri 

 convexiusculi, costis flexuosis utrinque leviter attenuatis 10-11 

 (in anfr. ultimo basi continuis) instructi, spiraliter minutissime 

 denseque striati ; apertura parva, quam longitudinis totius ^ 

 panic minor ; labrum album, valde incrassatum, superne distincte 

 einuatum ; canalis angustus, brevis. 



Long. 7 mill., diam. 2^. 



Hah. ? 



The ribs in this species are prettily flexuons and slightly 

 attenuated at each end. 



Pleurotoma [Mangilia) Goodingii. 

 Testa acuminato-ovata, turrita, alba, supra costas paululum supra 

 medium anfractuum et ad eorum basiui punctorum ruforum serie 

 ornata ; anfraetus 7, primi duo couvexi, laeves, cieteri leviter 

 tabulati, lere plani, costis tenuibus, pliciformibus prominentibus 

 9-10 (in anfr. ultimo ad basiia coutiuuis) instructi ; ubique 

 minute denseque spiraliter striati ; anfr. irltimus punctorum serie 

 tertia versus basim ornatus ; apertura angusta, lougitudinis totius 

 I paulo minor; labrum incrassatum, leviter sinuatum; canalis 

 angustus, brevis. 

 Long. 7g mill., diam. 2%. 

 Hah. New Zealand. 



The fine prominent jdicate ribs, which in the single speci- 

 men before me are continuous up the spire, and the spiral 

 row of reddish dots on the ribs, two on the upper whorls and 

 three on the last, are the principal distinctive characters of 

 this very elegant species. 



Pleurotoma [Mangilia ?) Sinclatrii. 



Testa ovata, subturrita, dilute flavida, fasciis duabus rubris ad 

 suturas inter costas ornata ; anfract. 8, convexi, superne leviter 

 planulati, costis tenuibus 16 (in anfr. ultimo basi fere continuis), 

 transversim subcrasse lirati, liris insequalibus supra ac inter costas 

 continuis ; apertura parva, intus fusco fasciata, longit. totius ad 

 -^- ffiquans ; labrum tenue, paululum infra suturam leviter sinua- 

 tum ; Cauda fusca ; columella callo tenuissimo induta ; canalis 

 brevissimus, obliquus. 



Long. 11 mill., diam. 4^. 



