ECHENEID.E. 



167 



Liparis (Flem.). Sea-snail. Body lengthened, 

 mucous, without scales ; one long dorsal ; pectorals 

 and ventrals forming a single disk. 



L. vulgaris. 

 Montagui. 



Fig. 252; n.s. 



252 



Lepidogaster (Flem.). Sucker. Nearly as Li- 

 paris, but the dorsal is shorter, far behind ; pectorals 

 and ventrals forming two disks. 



L. Cornubiensis. 

 bimaculatus. 



Fig. 253 ; n. s. 



253 



FAMILY II. ECHENEID.E. 



Crown of the head covered with an oblong flat 

 disk, capable of adhering to foreign bodies, and 

 formed of two rows of transverse moveable plates, 

 directed backward ; body lengthened ; one dorsal 

 placed far behind. 



