174 



Ovulum jequale. Ov. testd oblongd, subcylindricd, rufd ; labio 

 externo incrassato ; extremitatibus obtusiusculis ; aperlurd latius- 

 culd, utraque extremitate cequali ; columelld carind internd di- 

 stinctd: long. 0'45, lat. 0*18 poll. 



Hab. ad Panamam. — G. B. S. 



Genus Murex. 



Murex rubescens. Mur. testd subrhomboided, trifariam vari- 

 cosd, varicibus subfrondescentibus, tuberculo interstitiali magno, 

 transvershn sulcatd et striata; canali mediocri subrectd, rosed; 

 varicibus tuberculis Jrondibusque nigricantibus : long. }■%-, lat. •£ 

 poll. 



Hab. ad insulam Taheiten. 



Found on the coral reefs. — W. J. E. 



Murex Pinniger. Mur. testd Jusiformi, sordide purpureo- 

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

 niatis , tuberculo interstitiali majusculo ; aperturd ovali ; canali 

 tubulari : long. 2 circ, lat. 1^ {pinnis inclusis) poll. 



Hab.m 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- 

 miosis, tuberculis parvis subasperis, subcancellatd, sordide alba 

 transversim castaneo lineatd ; canali longd recurvd, basin versus 

 spinosd; operculo rugoso : long. 3, lat. 1-g- 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 pyramidali, albidd, quadri- 

 Jariam varicosd, transversim costatd, subcancellatd ; apertura 

 violaced, prominente ; labii limbo unduloso-crenulato ; canali 

 brevi, recurvd : long. If, lat. -g- poll. 



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, quadr'u 



Jariam varicosd, tuberculo interstitiali unduloso, transversim 



creberrime granuloso-striatd et sulcatd, rosed, sulcis striisque 



nigricantibus ; labri intus crenulati limbo denticulato, roseo ; 



apertura alba: long. 1\, lat. 1 -§- 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 Jusiformi, quinquefariam varicosd, 

 transversim sulcatd, sulcis approximatis, crenulatis ; canali brevi 

 subrecurvd : long. -&» lat. -,v poll. 



