ODD FORMS AMONG FISHES. 



535 



halibuts, turbots, soles, flounders (Fig. 26), etc., whose two sides are 

 totally unlike a peculiarity which is not only not found in any other 







Fig, 26. Floundek (Platessa vulgaris, Cuvier). 



group of fishes, but not in any other group of vertebrate animals. 

 These strange fishes have the body flat, both eyes on the same side 



Fig. 27. GAii-FisH (Belone iruncata, LeSueur). 



of the head, and the sides of the mouth unequal. They are without a 

 swimming-bladder, live at the bottom of the sea, and are of all sizes, 



Fig. 28. Flting-fish {Exoccetm), 



from those not more than six or eight inches in length to those that 

 attain a weight of six hundred pounds. 



