170 True Fishes 



SUNDIAL, FOUR-SPOTTED FLUKE, 

 NORTHERN FLUKE 



L Front part of dorsal fin has long fringe-like rays 

 Page 171, fig. A 



See Sundial, p. 327. 



IL Front part of dorsal fin has no long fringe-like rays 

 Page 171, figs. B, C 



Ila. Four conspicuous black eye-spots on dark side of 

 body. Only a narrow ridge between the eyes 

 Page 171, fig. B 



See Four-spotted Fluke, p. 329. 



lib. Many black eye-spots on dark side of body. Space 

 between eyes almost equal to diameter of eye 

 Page 171, fig. C 



See Northern Fluke, p. 328. 



