EXPLANATION OF PLATE VII. 



Fig. 8, a, b. — Dolium tessellatum, Brug. Andaraans. Natural size. 

 ,, 9, a, b. — Dolium tessellatum, Brug. Small specimen. Andamans. Natural 



size. 

 „ io, a, b, c, d. — Dolium tessellatum, Brug. South-Andaman ; a, b, natural 



size ; c, protoconch enlarged ; d, columella enlarged to 



show the columellar rugosities. 



