Order Pediculati : The Anglers 547 



reason it does not afterwards admit its young into itself. The 

 size and roughness of the head prevent them both from coming 

 out (i.e., being born alive) and from going in (being taken into 

 the mouth of the parent). The fiarpaxos is the most pro- 

 lific of the creXaxrj, but it is scarce because the eggs are easily 

 destroyed, for it lays them in a bunch near the shore." 



The genus Lophius of northern range has a vertebral col- 

 umn of about thirty vertebrae. Lophius litulon occurs in Japan. 

 In the North Pacific is found Lophiomus, similar in appearance 

 but smaller in size, ranging southward to the equator, a 

 southern fish having but eighteen vertebrae. Lophiomus setigerus 

 is the common anko of Japan, and other species o,re recorded 

 from Hawaii and the Galapagos. 



The Sea-devils: Ceratiidae. The sea-devils, or Ceratiida, are 

 degenerate anglers of various forms, found in the depths of the 

 arctic seas. The body is compressed, the mouth vertical; the 

 substance is very soft, and the color uniform black. Dr. Gunther 

 thus speaks of them: 



"The bathybial sea-devils are degraded forms of Lophius; 

 they descend to the greatest depths of the ocean. Their bones 



FIG. 497. Cryptopsaras couesi Gill. Gulf Stream. 



are of an extremely light and thin texture, and frequently other 

 parts of their organization, their integuments, muscles, and 

 intestines are equally loose in texture when the specimens are 



