90 LESSON XI. 



common shells upon our coasts, adhering to 

 rocks quite up to high-water mark. 



BUCCINUM Subulatum* 

 TIGER SPIRE. 



Specific character. Shell turreted, subulate, 

 smooth ; colour white, tinged with yellow, red, 

 or brown, and marked on the body whorl with 

 three rows of squarish, dark, ferruginous! spots ; 

 the shell is from three to six inches long, and 

 the breadth scarcely exceeds one eighth of the 

 length. 



GENUS. STROMBUS.J 



WINGED OR CLAW SHELL. 



Generic character. Shell univalve, spirally 

 convoluted, canaliculated ; form suboval ; aper- 

 ture more or less dilated, ending in a beak turn- 

 ing to the left, that is, towards the outer lip ; the 

 outer lip usually expanding into a kind of wing, 

 with a sinus near the base. 



* Piate III. figure 4. 



f Ferruginous, of the colour of iron rust, from the Latin ferru 

 o, rust. 



| Plate III. figure o. 



