( HI ) 
Prawns^ are very rare; they are nearly perfedV, 
■and confiderably larger than thofe taken recent on 
the oppofite Coaft of the Ifle of 'Phanet. 
CANCRI BRACHYURI. 
Fojfil Crabs. Before the Publication of Dr. 
Hiftory of Fo/fils., thefe were extreamly rare in 
England-, but fince that Time, thouiandsof Speci- 
mens here colledled, have pafied through the Au- 
thor’s Hands. There are two or three Varieties, 
but all common except very fair Specimens, which 
are ftill very rare ; their Size varies from that of a 
fmall Bean, to that of the common Crab of the 
Coaft; fome of them, efpecially the fmaller ones, 
are impregnated by the Pyrites. 
E C H I N I T iE. 
Echinites, here are the Ovarius^ Galeatus, Pileatus, 
CordatuSy and Placentijcrmis \ .h\ix. all of them are 
very rare, efpecially the laft. 
The Spines, are of the foliated Kind, and that 
Sort named by Mr. Llhuyd, Volvola — both are rare. 
A S T E R I A S. 
The Star Fijh of five Rays, has not yet been 
found entire, and its fingle Rays are uncommon. 
ASTROIT/E 
