170 



PISCES. 



Hippoglossus (Cuv.). Holibut. Eyes on the 

 right ; dorsal and anal commencing behind the 

 head. 



H. vulgaris. Fig. 258 ; ^ n. s. 



259 



Platessa (Cuv.). Plaice, Flounder, Dab. Eyes 

 on the right ; dorsal commencing over the eyes, 

 extending (as also the anal) nearly to the caudal ; 

 both fins generally dilated in the middle, giving a 

 rhombic form to the fish. 



P. vulgaris. 



flesus. Fig. 259 ; \n.s. 



limanda. 



Isevis. 



P. limandoides. 

 pola. 

 elongata. 



