176 



nella. It has tlie varices of the foi'mer, and the plaits on the colu- 

 mella which distinguish the latter. 



Found in sandy mud, from six to twelve fathoms. — W. J. B. 



MuUEX iNcisus. Mur. testa ovatd, septemjariam varicosd, vari- 

 cibus rotundatis elevatis, trayisversim creberrime carinatd et 

 striata, carinis striisque crenulatis ; albldd, carinis subcastaneis .* 

 long, ll, lat. ^ poll. 



Hab. ad portum Sanctae Elenae. 



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

 W. J. B. 



MuREx viTTATUS. Miir. testd ovato-acutd, scptenifariain vari- 

 coso-spinosd, spinis brevibus, transversim sulcata, albd, nigra 

 fasciatd : long, -f , lat. -rV poll- 



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



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



MuREX oxYACANTHA. Mur. testd pi/riformi, tratisversim striatd, 

 septernfariamspinosd, spinis canaliculatis, albd, cpidermide fused ; 

 spird brevi ; canali longiusculd, subrecurvd : long. 2|, lat. 2f 

 (spinis inclusis) poll. 



Hab. in America Centrali. (Real Lleijos.) 



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



MuREX NITIDUS. Miir. testd subrhomboided , octqfariam spinoso- 

 varicosd, transversim striatd; anjr'actu basalt vcntricoso, albo 

 viftis lineatis nigro-castaneis S-Jasciato, et spinis magnis, canali- 

 culatis, .sublaciniatis coronato ; spird brevi; canali mediocri, 

 spinosd, ad apicem nigricante ; aperturd albd ; labro intus den- 

 ticidato : long. 1-^, lat. 4 (spinariun corona inclusd) poll. 



Hab. in America Centrali. ( Real Lleijos.) 



This pretty shell was 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. 3Iur. testd subrhomboided, novem-ad decem- 

 Jariam varicosd, sulcis striisqite intersiitialibus transversis ere- 

 herrimis, aspero-rvgosis, sordide albidd ; aperturd glabrd, albd: 

 long. 1-^, lat. ^ poll. 



Hab. ad Sanctam Elenam et ad Panamam. 



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

 thoms. — W. J. B. 



MuuEX CRISPUS. Mur. testd subovatd, multifariam frondosd, 

 frondibus brevibus, striatis, crispis, transversim costatd, albd, 

 cost is frondibusque albido-brunneis ; arifractibus superne com- 

 planatis : long. 2^, lot. It poll. 



Hab. in pelago juxta Peruviam. 



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

 five fathoms water. — W. J. B. 



MuRRX sQUAMOSTjs. Mur. tcstd Sordid^ albidd, ovato-pyriformi, 

 ventricosd, multifariam varicosd, (yaricibus rotundatis,) striis 

 transversis clevaiis squamosis aspcrd ; anj^ractibus angulatis ; co- 

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

 brevi, subrecurvd ; long. H, lat. 1 poll. 



