/ 
t i 'o ] 
Common upon the ploughed fields. The quar¬ 
ry men at Warley rocks,* who find it lodged in 
mafles of ftone, (/all it the heart of the font. 
F i G. VI. 
Oval: fmooth: beaks broad, hooked. Free 
Slone, Formed in fome fpecies of My at which 
are bivalve ftiells gaping at one end.- 
This is five inches long: and, its fize excepted, 
varies little from Fig. 5. 
Found with Fig. 2. 
F I G. VIL 
Nearly rhomboidal: at one of the angles are 
the beaks, which are hooked. 
Length four inches. 
Found upon the ploughed fields. 
F I G, 
^ Three miles and a half eaft of Bath. 
t Linn. Syft, Tom, I, Pars 11 , p, 1112. Ed. 13, 
