92 UNIVALVES. 



STROMBUS Ckbragra* 



SAVAGE CLAW. 



Specific Character. Shell ovate, turreted; 

 spire short, tuberculated ; outer lip having six 

 strong curved claws, the sinus not immediately 

 at the base ; mouth striated ; colour white 

 mottled with brown ; lips orange colour with 

 black and white stripes; outside generally 

 coated with a thin horny epidermis ; size about 

 five inches long and three broad not including 

 the claws, which are from two to three inches 

 long, the upper and lower ones curved in 

 opposite directions. 



This Strombus also exhibits a very different 

 appearance at its various periods of growth. 



Genus. MUREX.* PfcwaZ, Murices. 



ROCK SHELL. 



Generic Character. Shell univalve, spirally 

 convoluted, canaliculated, rough with spines, 



* Signifying, savage claw, from the Greek words x* l 

 (cheir) hand, and ay go,, (agra) fierce or savage. 



f Probably named from the Latin, murex, the primary 

 signification of which seems to have been the sharp point of a 

 rock. Plate IV. figure 1, 2, 3. 



