166 



PISCES. 



Tribe II. Sub-brachiati. 



Ventrals beneath tlie pectorals ; suspended from 

 the shoulder-bones. 



Ventrals united into a sucking 



disk Cyclopterida. 



Ventrals separate : 



Head furnished with a sucking disk Echeneidce. 

 Eyes on one side of the head ; body 



flat, unsymmetrical Pleuronectidce. 



Form ordinary, symmetrical . . Gadidm. 



.... .. Ooo'o VJ\ 



2S1 



Family I. Cyclopterid^. 



Ventrals and pectorals united to form either one 

 or two circular disks, beneath the body, with the 

 power of adhering to foreign bodies. 



Cyclojjterus (Linn.). Lump-fish. Bodj deep, 

 with a ridge on the back ; two dorsals ; first dorsal 

 concealed within the skin ; pectorals and ventrals 

 united into a sinsfle disk. 



C. lumpus. Fig. 251 ; |- n. s. 



