The Auger Shells 



On it are wound two bands of coloured spots, the upper one of 

 chestnut, the lower of purple or slate, with a dark line separating 

 the two. The Polynesians fashion these shells into chisels for 

 use in building their canoes. The flesh they eat. Length, 4 

 to 6 inches. 



Habitat. — South Sea Islands. 



T. dislocata, Say, is a grayish brown or yellowish white j 



auger shell, i to 2 inches long, with surface sculptured by wavy \ 



longitudinal folds and fine spiral groves. The whorl bears a I 



raised, beaded band just below the suture. The columella has one 1 



distinct ridge. 



Habitat. — North Carolina to West Indies. ; 



T. protexta, Conrad, is very slender, with somewhat convex, i 



finely striated whorls crossed by fine, sharp-edged longitudinal i 



folds, set close together. It is china-like in texture, brown shad- \ 



ing lighter. Length, i inch. 



Habitat. — Gulf Coast of Florida to Cape Hatteras. 



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