The Chank Shells 



exterior is yellowish white, under a thin, fibrous, olive epidermis. 

 The columella and interior are flesh pink. Length, 8 to lo inches. 



Habitat. — Brazilian coast. 



Vasum muricatum, Born., is a related form, stouter, armed 

 with hollow sharp tubercles on the shoulder of each whorl, and 

 three rows near the base. Length, 3 to 6 inches. Colour white, 

 lined with pink. 



Habitat. — Florida Keys, West Indies, Panama. 



78 



