194 



The exhibition was resumed of the collection of Shells formed by 

 Mr. Cuming on the Western coast of South America, and among 

 the islands of the Southern Pacific Ocean. The new species were 

 accompanied, as on the previous occasions, by descriptions from the 

 pens of Mr. Broderip and Mr. G. B. Sowerby. 



Genus Murex. 



Murex buxeus. Mur. testa subfusiformi, multifariam unduloso- 

 varicosd, transversim striata, Jusca alho transversim lineatd ; 

 aperturd albd ; labro intiis denticulato : long. ]£, lot. -\ poll. 



Hab. ad Iquiqui. 



Found on a sandy bottom at the depth of eighteen fathoms.-r- 

 W. J. B. 



Murex Dipsacus. Mur. testa fusiformi, multifariam varicosd, 

 varicibus subjrondentibus, transversim costatd, quasi cancellatd, 

 albdfusco suhfasciatd; spird productd, canali mediocri : long. 1, 

 lat. 4 poll. 



Hab. ad Sanctam Elenam. 



From a rocky bottom at the depth of twelve fathoms. — W. J. B. 



Murex pallidus. Mur. testa fusiformi, albd, novemfariam va- 

 ricosd, costis transversis frequentibus et lineis longitudinalibus 

 creberrimis cancellatd ; canali valde apertd : long. X V> lat. ■&■ 

 poll. 



Hab. a4 Insulas Falkland dictas. — W. J. B. 



Genus Ranella. 



Ranella pyramidalis. Ran. testa elongato-pyramidali, valde 

 compressd, alba, transversim costatd, anfractibus suturam versus 

 coronatis ; lined longitudinali interstitiali utrinque solitarid, 

 elevatd ; spird valde productd : long. -I, lat. -f- poll. 

 Hab. ad Uliteam et Panamam. 



The interstitial longitudinal line which traverses the whole length 

 of the shell, both on the upper and under side?, may be almost 

 termed a varix. 



Found on the reefs. — W. J. B. 



Ranella pusilla. Ran. testa pyramidali, albd, granulosd: 



long. -rV, Int. -rV poll. 

 Hab. inOceano Pacifico (Lord Hood's Island). 

 Found on the reefs. — W. J. B. 



Genus Cardita. 



Cardita tricolor. Card, testa ovato-rhombed, longitudine al- 

 titudinem superante, radiatim costatd, albidd,jasciisjuscis longi- 

 tudinaliter notatd ; margine dorsali postico, latereque antico 

 brevi, aurantiacis ; latere postico longiore ; costis, anticis prce- 

 sertim, subgranosis : long. 1*5, lat. 1, alt. 11 poll. 



Hab. in America Centrali. 



Found among sand and mud, at a depth of ten fathoms, in the 

 Bay of Guayaquil. — G. B. S. 



