194. 



The exhibition was resumed of the collection of^Sfietls 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 sicbfusiformi, multifariam undidoso- 

 varicosd, transversim striata, Jiiscd albo transvershn lineatd ; 

 nperturd albd ; labro intiis denticulato : long. 1^, lat. -/^y jiolL 



Hab. ad Iquiqui. 



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

 W. J. B. 



Murex Dipsacus. Miir. testa fusiformi, multifariam varicosd, 

 varicilms subjrondentibns, transvershn costatu, quasi cancellatd, 

 albdjiisco sulyfasciatd ; spird productd, canali mediocri : long. \, 

 lat. i-poll. 



Hab. ad Sanctam Elenam. 



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



MuREX PALLIDUS. Mur. testd Jusiformi, albd, novemfariam va- 

 ricosd, costis transversis Jrequentibus et lineis longitudinalibus 

 creberrimis cancellatd ; canali valde apertd : long. -^, lat. -^ 

 poll. 



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



Genus Ranella. 



Ranella pyramidalis. Ran. testd elongato-pyramidali, valde 

 compressd, albd, transversim costatd, atifractibus suturam versus 

 coronatis ; liyied longitudinali interstitiali utrinqtie solitarid, 

 elevatd; spird valde productd. : long, i, lat. ^ poll. 

 Hab. ad Uiiteam et Panamam, 



The interstitial longitudinal line which traverses the whole length 

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

 termed a varix. 



Found on the reefs. — W. J. B. 



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



long. -rV, l(tt. -y% poll. 

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

 Found on the reefs. — W. J. B, 



Genus Cardita. 



Cardita tricolor. Card, testd ovato-rhombed, longitiidine al- 

 titudincni superante, radiatim costatd, albidd,jasciisjuscis longi- 

 iiidinalitcr notatd ; margine dorsali postico, lata-cqiie antico 

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

 scrtim, suhgranosis : long. \'5, lat. 1, alt, Tl poll. 



Hab. in America Centrali. 



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

 Bay of Guayaquil, — G. B. S. 



