MYVXINE. 309 
CHAPTER XxX. 
CHORDATA — (Continued). 
MYXINE, RAIA. 
I—MYXINE. 
PHYLUM CHORDATA (p. 403). 
SuB-PHYLUM VERTEBRATA* (p. 406). 
CLASS CYCLOSTOMATA (p. 433). 
Fig. 223.—LATERAL VIEW OF MYXINE 
GLUTINOSA x 4. (4d nat.) 
eas 
£ f , 
Fe 
a 
a3 ‘ 
a 3 4 Branchial 
a I 4 Aperture. 
a 
4 ; 
5 
a 
Tail Fin. 
Myxine glutinosa (the hag-fish) is a small eel-like 
animal occurring off our coasts. Its body is elongated and 
cylindrical, about 1 foot long. The hind end or tail is 
slightly flattened laterally, and is encircled by a simple 
caudal fin which is part of a continuous median fin 
running dorsally and ventrally for some distance along 
the body. ‘The skin is usually of a pale dull-pink hue and 
is intensely slimy. The slime is secreted by a lateral row of 
slime-glands which pour out enormous quantities of the 
adhesive material. ‘The front end tapers to a snout, below 
__* The members of this sub-phylum are often called ‘‘ Vertebrates” in contrast 
with the rest of the animal kingdom, termed ‘‘ Invertebrates.” 
