The Apodes, or Eel-like Fishes 77 
The Lipogenyide have a round, sucker-like mouth, with 
imperfect lower jaw, but are otherwise similar. Lipogenys 
gillt was dredged in the Gulf Stream. 
Fic. 287.—Notacanthus phasganorus Goode & Bean. Grand Banks. 
Dr. Boulenger has recently extended the group of Heteromi 
by the addition of the Dercetide, Halosauride (Lyopomi), and 
the Fierasferide. We can hardly suppose that all these forms 
are really allied to Notacanthus. 
