156 ACANTHOPTERYGII. MUGILIDiE. 
liarities in the development of the bones of the 
head and face. The former is the most familiar 
species on the south and east coasts of England, 
the latter on the shores of Scotland and the north 
GREY MULLET. 
of Ireland. At certain seasons^ however^ as in 
the months of September and October^ Dr. Par- 
nell has observed M. cJielo in great abundance on 
the Devonshire coast. Both are common in the 
Baltic and Mediterranean Seas. 
The Common English Mullet attains a length 
of eighteen or tvrenty inches, of which the head 
is nearly one fourth. The colour of the body 
is bluish-grey on the upper part, silvery white on 
the sides, marked with longitudinal dusky lines ; 
pure white on the belly ; the membranes of the 
fins are pellucid-white. The caudal fin is both 
long and wide. 
The habits of this interesting fish have been 
minutely described by Mr. Couch, and we shall 
take the liberty of quoting them at length from 
Mr. YarrelFs excellent History of British 
Fishes.” 
