( 138 ) 
is plentifully difperfed on the Beach, and generally 
impregnated with pyritical Matter. 
E Q^U I S E T U M. 
Horfe-tail^ Joints of the naked Species, are fome- 
times found even to the Length of three Inches, 
but they are uncommon. 
FRUCTUS VARII. 
Fojftl Fruits, of very different Kinds, are here 
collefted, in Variety and Number exceeding all 
that have been mentioned by Writers on this Branch 
of Natural Hiftory : Many of them have been 
drawn and compared with recent ones, in a par- 
ticular Account given of them by the Author’s 
late learned Friend, Dr. James Parfons, in the 
Philofophical Tranfadtions — Vol. L. Parti, p. 396. 
Thefe have by fome been imagined mere Sports of 
Nature amongft the Coperas ; but as all the Speci- 
mens have not the misfortune to be impregnated 
by it, fome few, and thofe very elegant ones, being 
entirely free from it, and petrified, that Conceit 
without further Difcuflion, muft fall to the Ground. 
T , 
A R I S T JE. 
Ears ef Corn, fome fmall Species, are fome- 
times to be met with,- imperfed and impregnated 
with the Pyrites, but they are not common. 
M Y C E- 
