PHYSICAL ann LITERARY. 9 
_ But, whatever may be the manner in 
which thefe cells are formed, the matrix, 
ovary or receptacle, in which the nafcent 
buccina ampullata are found, has fomething 
remarkably curious in its ftructure. 
Tas. i. fig. 1. reprefents the matrix, as 
itis called, of the duccinum ampullatum, 
fent me from South-Carolina by Dr Gar- 
den; the length of which was full two 
foot. 
aaaaa, &c, are the cells, recepta- 
_ cles, or pods, compofing this matrix, whole 
number amounted to g4. Thelfe pods, 
towards the extremity D, turned finaller, 
ABCD, a band or ligament connecting 
the feveral cells or pods, of much the fame 
kind of fubftance with the fides of the 
cells, but thicker and tougher. 
Tue pods or cells are compofed of a 
thin, tough, tranfparent {kin or mem- 
_ brane, and contain in their cavities a con- 
-fiderable number of {mall dbuccina, 
WoL. Il, B Fig. 
