[ n 1 
fhorny Hearts and fpeckled Heart Shells, are the 
moft curious among them. 
Chama. 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, 
jafed by the Ancients to form BafTo Relievos with 
different coloured Grounds, in the fame Manner 
our Lapidaries exercife their Ingenuity on Onyxes, 
was of this Kind. The Roman Mantle, the Ara¬ 
bian Shell, the yellow Chama, the Bafket Shell, 
and the reticulated white Chama, are curious. 
Beilina. Thefe are a Kind of beautiful Mufcles, 
common enough in Italy, particularly about Rome; 
their Form inclines to an Oval, and the Shell thin. 
For the moft part when they are feen in Mufeums, 
the outer Coat is taken off, which occafions their 
having that fplendid Appearance •, fome fuch arp 
to be feen in this Collection, and others in their 
natural State. The flat Tellina with white Fafcise, 
the broad flat Tellina from the Weft Indies , the 
narrow Tellina, and others, are worthy to be pre- 
ferved. 
Mufculi , Mufcles of the fmaller Sizes. Some of 
the Specimens have Pearls fixed to the Infide of the 
Shell, occafioned by its having been by fome Means 
or other accidentally injured. 
We have now done with the Tables of Shells; if 
the Remarks that are made on them are thought 
too concife, it muft be confidered that they could 
not be treated of more at iarge without fwelling 
thefe Sheets to a larger S.ze than the Author in¬ 
tends they fhall extend to. Gf the many Readers 
which 
