17G 



nella. It lias the varices of tlie former, and the plaits on the cobi- 

 mella vvhich distinguish the latter. 



Found in sandy niud, from six to tvvelve fathoms. — W. J. B. 

 MuREX iNCisus. Mur. testu ovatd, septemjariam varicosd, vari- 

 cibus rotundatis elevatis, transversim creberrime carinatd et 

 striatd, carinis striisgue cremdatis ; albidd, carinis subcastaneis i 

 long. ll, lat. į poli. 

 Hab. ad portum Sanctae Elenae. 



Found on a rocky bottom at the depth of eight fathoms. — 

 W. J. B. 



MuREx VITTATUS. MuT. tcstd ovato-acutd, septenifariam vari- 

 coso-spinosd, spirtis brevibus, transversim sulcatd, albd, nigro 

 fasciatd : long. į-, lat. -^ poli. 

 Hab. ad Guayaquil. (Isle of Muerte Bay.) 

 From sandy mud at the depth of eleven fathoms. — W. J. B. 

 MuREX oxYACANTHA. Mur. testu pyrįformi, transversim striatd, 

 septemfariam spinosd, spinis canaliculatis, albd, epidermidejiiscd; 

 spird brevi ; canali longiusculd, subrecurvd : long. 2l, lat. 2į- 

 (spinis inclusis) poli. 

 Hab. in America Centrali. (Real Lleijos.) 

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

 MuREX NiTiDUS, Mur. testd subrhomboided , octofariam spinoso- 

 varicosd, tran.mersim striatd; anjractu basali ventricoso, albo 

 viltis lineatis nigro-castancis 3-Jascinto, et spinis magnis, canali- 

 culatis, .snblaciniatis coronato ; spira brevi ; canali mediocri, 

 spinosd, ad apicem nigricnnte ; nperturd ulba ; labro intus den- 

 ticulato : long. \i, lat. 1 {spinprum corond inclusd) poli. 

 Hab. in America Centrali. ( Real Lleijos.) 



This pretty shell \vas found in the cleft of a rock. No other in- 

 dividual was obtained, and it is believed to be unique. — W. J. B. 

 - MuREX HORRiDus. Miir. tcstd subrhomboided, novem- ad decem- 

 Jariam varicosd, suleis striisgue inta'stitialibus transversis cre- 

 hcrrimis, aspero-rugosis, sordide albidd ; aperturu glabrd, albd : 

 long. 1-į-, lat. ^ poli. 

 Hab. ad Sanctam Elenam et ad Panamam. 



Found in sandy mud at the depth of from eight to tvvelve fa- 

 thoms.— W. J. B. 



MuuEx CRISPUS. Mur. tcstd subovutd, muUifariam Jrondosd, 

 frondibus brevibus, striutis, crispis, transversim costatd, albd, 

 costis Jrondibusgue albido-brunneis ; anfractibus superne coin- 

 planatis : long.^-^, Inf. I į poli. 

 Hab. in pelago juxta Peruviam. 



Taken from a coral reef twelve miles from Pacosmayo, in twenty- 

 five fathoms water. — W. J. B. 



MuREX SQUAM0SUS. Mtir. testd sordide albidd, ovato-pyrijbrmi, 

 ventricosd, multifariam varicosd, (yaricibus roltindatis,) striis 

 transversis elevatis sguamosis aspcrd ,- anjractibus angulatis ; co- 

 lumelld Icevi; labri limbo intus substriato ; canali valde apertd, 

 brevi, subrecurvd : long. ll, lat. 1 poli. 



