462 



PETROMYZID.E. 



CHONDROPTER YGJI. 



PETROMYZID^. 



THE MYXINE. 



GLUTINOUS HAG, AND BOREK. 



Castrobranchus ctecus, BUndJish, Bloch, pt. xii. pi. 413. 



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



,, ,, Giutinotis Hag, Penn. Brit. Zool. vol. iii. p. 109. 



Mixine glutinosa, Linn/eus. 



,, ,, 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 ; moutii 

 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 

 sevenil systematic authors, including Linnaeus, to class it 

 with the Worms ; and it Avas 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 



