56 Head — True Fishes 



I. Snout tubular 

 Page 57, figs. A, B 



la. Tail fin rounded 

 Page 57, figs. C-E 



See Pipefishes, p. 108. 



lb. Tail fin forked; long filament at center 

 Page 57, figs. F, G 



See Trumpet Fish, p. 341. 



II. Snout not tubular 



See HEAD— TRUE FISHES, p. 58. 



