174 



OvuLUM ^QUALE. Ov. testd oUongd, subcylindfica, ruja ; lahio 

 externo incrassato ; extremitatibus obtusiusculis ; aperlura latiits- 

 cula, utrague extremitate acuali ; columelld carind internd di- 

 stinctd: long. 0'45, lat. O' 18 poli. 



Hab. ad Panamam. — G. B. S. 



Genus Murex. 



MuREX KUBESCENS. MuT. testd subrfiomboided, trijariam vari- 

 cosd, varicibus subfrondescentibus, tiiberculo interstitiali magno, 

 transversim sulcatd et striatu ; canali mediocri subrectd, rosed ; 

 varicibus tuberculis Ji'ondibusęue nigricantibus : long. If, lat. ^ 

 poli. 



Hab. ad insulam Taheiten. 



Found on the coral reefs. — W. J. B. 



MuREX PiNNiGER. Mur. testd Jiisiformi, sordide purpureo- 

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

 niafis, tuberculo interstitiali majusculo ; apertura ovali ; canali 

 tubidari : long. 2 circ, lat. \^ (pinnis inclusis) poli. 



Hab. in America Meridionali. (Xipixapi.) 



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



MuREX RECURviRosTRis. MuT. tcstd ventricosd, trifariam spi- 

 nosd, spinis brevibus magnis, interstiliis 3- vel 4-seriatim tuber- 

 cidosis, tuberculis parvis subasperis, subcancellatd, sordide alba 

 transversim castaneo lineatd ; canali longd recurvd, basin verstis 

 spinosd ; operculo rugoso : long. 3, lat. \% poli. 



Obs. testą 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 TETUAGONus, Mur. tcstd pyramidūU, albidd, guadri- 

 Jariam varicosd, transversim costatd, subcancellatd ; apertura 

 violaced, promitiente ; labii limbo unduloso-crenulato ; canali 

 brevi, recurvd : long. \^, lat. l poli. 



Hab.? 



Mus. Sowerby. 



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

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

 W. J. B. 



MuREX Maurus. Mur. testd rkomboided, ponderosd, guadri- 

 Jūriam varicosd, tuberculo interstitiali unduloso, transversim 

 creberrime granuloso-striatd et sulcatd, rosed, sidcis striisoue 

 nigricantibus ; labri intiis cremdati limbo denticulato, roseo ; 

 apertura albd : long. 1-į^, lat. l^ poli. 



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. MuT. testd Jusiformi, quinquęfariam varicosd, 

 transversim sulcatd, suleis approximatis, crenulatis ; canali brevi 

 subrecurvd : long. -^Ky, lat. -,V į^oll. 



