70 
Z Y'G^jSTA. 
The form of the head extended sideways, with the eyes at the 
extremity of the lateral extension, and the nostrils on the anterior edge 
of it. 
HAMMER-HEAD. 
BALANCE FISH. 
Sqiidhis Zygmna, 
Zygmna malleus. 
it (( 
Squale marteau, 
« a 
t( <( 
it* a 
Linn^tjs. 
OnviEa. JoNSTON ; Punctnm 7, tab. 78, 
but he is mostly a copyi.st. 
Willoughby; p. 55, tab. B 1. 
Lacepede. Eisso. Bloch; pi. 117. 
Lowe; Pishes of Madeira, tab. 12. 
Jenyns; Manual, p. 607. 
Yarrell; British Pishes, 2nd. edition, 
vol. ii, p. 504. I am informed that 
the figure which Mr. Yarrell gave 
in his first edition, p. 406, is that 
which has been called Z. Blochii, and 
which is the foetal condition of Z. 
latieeps. This figure is omitted in 
his second edition. 
The ancient Greek writers were acquainted, with this fish, 
which they called Zygmna, or the Balance, from the form of 
its head. But it is not named by Pliny, the general copyist 
of the Greeks, although it finds a place in the writings of 
Oppian and ^lian, who however only or chiefiy regard it as 
The monstrous Balance Pish of ugly shape. 
Oppian only goes a little further, by a pardonable exaggeration, 
to compare it with the lion: — 
But what’s the lion! sharper weapons arm 
The Balance Pish, and keener furies warm; 
