174 



OvULUM ^QUALE. Ov. tcstd oblongd, suhcylindrica, ruja ; labia 

 exlerno incrassato ; extremitatibus obtusiuscidis ; aperlurd latiiis- 

 cula, utraqite extreinitate cequali ; columelld carind internd di- 

 stinctd: long. O'-iS, lat. 0*18 poll. 



Hab. ad Panamam. — G. B. S. 



Genus Murex. 



MuREX RUBESCENS. MuT. testd siibrkomboided, trifariam vari- 

 cosd, varicibus subfrondescentibiis, tuberculo interstitiali magno, 

 transversim sulcata et striata; canali mediocri subrectd, rosed; 

 varicibus tuberculis Jrondibusque nigricantibus : long. \^,lat.^ 

 poll. 



Hab. ad insulam Taheiten. 



Found on the coral reefs. — W. J. B. 



Murex Pinniger. Mur. testd Jusiformi, sordide purpnreo- 

 albidd, transversim substriatd, tripinnatd, pinnis elevatis, laci- 

 yiiatis, tuberculo interstitiali majuscule ; apertura ovali ; canali 

 tubulari : long. 2 circ, lat. 1^ (pinnis inclusis) j^oll. 



Hab. in America Meridionali. (Xipixapi.) 



Found in sandy mud at the depth of eight fathoms. — W. J. B. 



Murex recurvirostris. Mur. testd ventricosd, trifariam spi- 

 nosd, spinis brevibus magnis, interstitiis 3- vel ^-seriatim tuber- 

 culosis, tuberculis parvis subasperis, subcancellatd, sordide alba 

 transversim castnneo lineatd ; atnali longd recurva, basin vei'Sics 

 apinosd; operculo rugose : long. 3, lat. If poll. 



Obs. testa junior tantum non inermis. 



Hab. in America Centrali. (Gulf of Nicoiyo.) 



Found in sandy mud at the depth of nine fathoms. — W. J. B. 



Murex tetragonus. Mur. testd pi/rawidali, albidd, quadri- 

 Jariam varicosd, transversim costatd, subcancellatd, ; apertura 

 xiiolaced, jrrominente ; labii limbo unduloso-crenulato ; canali 

 brevi, recurva: long. H, lat. ^ poll. 



Hab.? 



Mus. Sowerby. 



This specimen, the only one I ever saw, is very mucli water- 

 worn, but the leading characters of the species are uninjured. — 

 W. J. B. 



Murex Maurus. Mur. testd rhomboided, ponderosd, quadri-^ 



Jariam imricosd, tuberculo interstitiali undidoso, transversim 



creberrime granuloso- striata et sulcata, rosed, sulcis striisque 



nigricantibus ; labri intiis crenulati limbo dentiadato, rosea ; 



apertura alba: long. 1-^, lat. \ I poll. 



Hab. ad insulam Annaan in Oceano Pacifico, 



Found on the reefs. 



The rosy ground colour of this species is almost entirely ob- 

 scured by the blackish granulose elevated transverse ridges and 

 lines.— W. J. B. 



Murex erosus. Mur. testd fusiformi, qtdnquefariam varicosd, 

 transversim sulcatd, sulcis apjoraximatis , crenulatis ; canali brevi 

 subrecurvd : lung. ,Vj l^^^- -I'V poll. 



