179 



Obs. Tubercula seriatim disposita, elevata, magna, subacuta, ut 

 plurimum serie unicil in quoque anfractu, ultimo excepto. 



Found in sandy mud from seven to ten fathoms. — \V. J. B. 



Ranella nitida. Ran. iestd subrhomboided, valde depressd, trans- 

 versim tuberculato-striatd, {tuberculis subacutis), nigro-purpured, 

 inierdum albo fasciatd, varicihus latis, pinnntis, laciniatis, alhis ; 

 columelld Icevi; labri limbo intus denticulato ; canali subelongatd : 

 long. 1, lat. į- poli. 



Ilab. ad Columbiam Occidentalem. (Bay of Caraccas.) 



Found under stones in the bay. — W. J. B. 



Ranella muriciformis. Ran. testu subpyriformi, fuscd, fultd 

 vel sordide albd, transversini striutd {striis subremotis), varicibus 

 pinnatis, latiusculis, albidis, interstitialiter tuberculatd vel sub- 

 foliatd; columelld Icevi; labri limbo intiis denticulato; canali 

 elongatd, subrecurvd : long. l-į-, lat. ^ poli. 



Hab. ad Columbiam Occidentalem. (Bay of Montija.) 



This species, which approaches very closely to Murex, was found in 

 loose gravel at the depth of seven fathoms. — VV. J. B. 



Ranella affinis. Ran. iestd pyramidali, depressd, ponderosd, 

 striis transversis frequentibus tuberculato-granosis, albido-rubente 

 maculis fasciisque custaneis ; columelld valde rugosd; labri cre- 

 nulati, subjimbriati limbo intus dentato : long. 2-į-, lat. I % poli. 

 Hab. in Oceano Pacifico. (Annaa.) 



This differs from Ran. granifera of Lamarck in having a much 

 more ponderous shell, with its varices much thicker and wider in pro- 

 portion, and the border of the outer lip much wider. It is also much 

 more depressed and broader in proportion to its length. 

 Found on the reef. — VV. J. B. 



Ranella cjelata. Ran. testd pyramidali, subponderosd, casianed, 



costis striisque transversis granoso-moniliformibus, nigricantibus ; 



aperturd rugoso-granosd,fulvd,dentibus rugisąue albidis ; labri 



limbo fimbriato, lato,fusco, albo radiato: long. \į, lat. lipo//. 



Hab. ad I'anamam. 



This handsome species reminds the observer of some of the antique 

 carved ornaments in oak and chestnut. The apex of the spire is ge- 

 nerally eroded. 



Found under stones. — W. J. B. 



Ranella tcberculata. Ran. lesta pyramidali, seriatim tubercu- 

 latd, transversim striatd, subfulvd albo fasciatd, tuberculis sub- 

 cequalibus nigricantibus; aperturd albidd ; columelld subrugcsd ; 

 labri limbo intiis dentato, dentibus subremotis: long. l-į, Ic^. 1 

 poli. 

 Hab. in Oceano Pacifico. (Taheite.) 



Only one individual of this pretty species was found, and that was 

 on the reef.— W. J. B. 



Mr. Ovven exhibited a preparation of the mammary gland of 

 Echidna Hystrix, Cuv. ; and read the following Notės : — 

 " It is well known that the idea of constituting a new class for the 



