[ 132 3 
which are almoft in the diredion of the 
longitudinal axis of the body, and their 
breadth is nearly the femi-diameter of the 
body of the animal. They are of different 
breadth and length. Their diftance from 
each other is not the fame every where. 
Thus, at the anterior part, where the 
breadth is nearly equal, they march pretty 
parallel to one another; but where the 
organ becomes narrower, that is to fay, 
nearer the tail, if obferved in fome places, 
that two join or unite into one. The ter¬ 
mination of this organ is fo very fmalL, 
that Mr. Hunter was not able to deter¬ 
mine whether it was formed of one or 
more fepta. 
The diftance between the fepta in a 
fifh two feet four inches in length was A 
of an inch, and the breadth of the whole 
organ, at the broadeft part, about an inch 
and a quarter, in which fpace were thirty- 
four fepta. 
The 
