X 



FROM COU. CMI. AC0. SCIENCES. 



328 



ROCK SHELLS. 



JIurex radix 'Panama). 



Wttrex ailustus i East Imlii-M. 

 Murex truneulu-i ' Mediterranean Sea). 



Murex pomuni (F 



Murex tribiilus (Cliitia>. 



Blurex rainosus (Indian Ocean). 



.Murrx a \icori i is < Aint)(iin:i 

 Murex bi color (Panama). 



