462 



PETROMYZIDiE. 



CHONDROPTERYGII. 



PETROMYZID^. 



THE MYXINE. 



GLUTINOUS HAG, AND BOREK. 



Castrobranchus C{ecus, Blindjish, Block, pt. xii. pi. 413. 

 „ „ CuviER, Regne An. t. ii. p. 406. 



„ „ Glutinous Hag, Penn. Brit. Zool. vol. iii. p. 109. 



Mixine glutinosa, LiNNa;us. 



,, ,, Glutinous Hag, Flem. Brit. An. p. 164, sp, 4. 



„ „ „ ,, Jenyns, Man. Brit. Vert. p. 



sp.213. 



523, 



Generic Characters. — Body elongated, cylindrical, smooth ; dorsal fin very 

 low, continued round the tail to the vent ; a single spiracle on the head commu- 

 nicating with the interior ; lips surrounded with eight barbules or cirri ; mouth 

 with one hook-like tooth ; tongue with two rows of teeth on each side ; branchial 

 apertures two, placed under the commencement of the belly. 



The worm-like form of the fish figured above induced 

 several systematic authors, including Linnaeus, to class it 

 with the Worms ; and it was not till after dissections and 

 published descriptions that its true relations with the Lam- 

 preys were acknowledged. Of these memoirs, that furnished 

 to the French Institute in 1797 by Bloch, the ichthyologist 



