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Mamie Scollops of various Colours, par- 

 ticularly the Ducal Mantle, the Marbled 

 Scollop, the Coral Scollop, and others. 



Cordia^ Heart-lhells. Both the Valves 

 of this Shell are convex, and they are not 

 auriculated, often confounded with the 

 Pe6lines. |,Venus's Heart, the Noah's Ark, 

 the Ox Heart, Human Heart, Thorny 

 Hearts and Speckled Heart Shells, are the 

 mod curious among them. 



Chajn^, This Kind is for the moft Part 

 fmooth, though in fome Places a little 

 rugofe-, the Valves are equal, elate and 

 convex, and the Mouth gapes, being 

 clofed-in fome Places, not in others-, it 

 has longitudinal Furrows, and very deep, 

 fometimes is armed with Spines •, it is of 

 a rounder Figure than the Tellina, and 

 thicker. The Concha Veneris, ufed by 

 the Ancients to form BafTo Relievos with 

 different coloured Grounds, in the fame 

 Manner our Lapidaries exercife their In- 

 genuity on Onyxes, was of this Kind. 

 The Roman Mantle, the Arabian Shell, 



the 



