PLATE LXXXII. 
and in both those fishes the dorsal spines, though observable, were 
by no means completely formed : they were only visibly protruded 
just above the skin at the base of the anterior part of the dorsal 
fins, while in the full grown animal they were conspicuously erect, 
and nearly the full length of the fin. This fish is said to couple in 
September. 
