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sharp elevations, with flat spaces between them, many of 
them terminate before they reach the inner edge of the 
lip. There is a variety, if it be not a distinct species, 
about three-fourths the length, with blunter and closer 
elevations. 
The Rev. G. R. Leathes has taken much pains to 
collect and distinguish the species of striated Cypraeae, 
that are to be found in the Suffolk Crag, and the plate 
before us contains some of the fruits of his labours : there 
may still exist two more species not clearly defined. 
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