Manaop 



••■■•*. ' -. ■ - 

 ' ■ ■ ■ 



■ 



•V- 



fW\. * 



77.67. yViSr. 



Colour Adaptation of flat-fish to different types of bottom, (p. 1»2). 



Above, siiinl : below, gravel. 



