92 UNIVALVES. 



STROMBUS Ckiragra* 



SAVAGE CLAW- 



Specific Character. Shell ovate, turreted ; 

 spire short, tuherculated ; outer lip having six 

 strong curved claws, the sinus not immediately 

 at the base : mouth striated ; colour white mot- 

 tled with hrown ; 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 direc- 

 tions. 



This Strombus like the last exhibits a very dif- 

 ferent appearance at its various periods of growth. 

 The perfect shell is very curious from its large 

 curved claws. 



Genus MUREX .f Plural, Murices. 



ROCK SHELL. 



Generic Character. Shell univalve, spirally 

 convoluted, canalicuted, rough with spines, tuber- 



* Signifying, savage claw, from the Greek words X l g* 

 (cheir) hand, and aypa, (agra) fierce or savage. 



+ Probably named from the Latin, murex, the primary 

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

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



