82 Tail Region — True Fishes 



I. Small bony shields centrally located on the caudal 

 peduncle on each side of the body 

 Page 83, figs. A-F 



See Scads, Jacks, p. 130. 



II. No small bony shields centrally located on the caudal 

 peduncle on each side of the body 

 Page 83, fig. G 



See DORSAL FINS— TRUE FISHES, p. 84. 



