518 



APPENDIX. IV. 



#* 



With the eyes towards the left. 







Proportiona 



I 





Page 



Breadth. 





Turbot 



315 • 



- 70 



Upper side spiny. 



Top knot 



322 ■ 



- 57 



Scales rough. 



Brill 



321 ■ 



- 56 



Scales smooth. 



Whiff 



324 - 



- 40 



Lower jaw projecting. 



Scald fish 



325 



■ - 39 



Jaws even, tail rounded 



A residence upon the coasts of Cornwall 

 and Devonshire, during the winter of the years 

 1806 and 7, afforded opportunities for pro- 

 curing drawings, and making descriptions, of 

 the above-mentioned species of flat-fish, the 

 Pleuronectes of Linnceus. 



Whether we consider singularity of struc- 

 ture on the one hand, or the large and valuable 

 supply our tables derive from it on the other, 

 the genus we are treating of seems well entitled 

 to attention ; and yet our knowledge, even of 

 the British part of it, has not been so perfect 

 and free from difficulty as might be expected. 



Of the twelve species here enumerated, 

 seven of them, viz. 



The Plaise, 



Dab, 



Flounder, 



