356 



Biology in America 



Two DENIZENS cr THE DEEP 



LEFT. An angler fish which carries a lure on its head to entice its 

 prey within reach of its capacious jaws. From the " National Geo- 

 graphic Magazine," Vol. 21. 



BIGHT. Chiasmodus niger, champion cannibal among fishes. From 

 Murray, "Depths of the Ocean," 



By permission of the Macmillan Company. 



of what advantage would it be to a species of fish to have 

 light forming organs, and no means of seeing them? The 

 whole question of sight organs and light production by deep 

 sea forms is a veritable "Chinese puzzle," which no one has 

 yet had ingenuity enough to solve. It is not merely a ques- 



GIANT SQUID 



And skin of whale showing marks of giant squid tentacles. 

 Murray, * ' Depths of the Ocean. ' ' 



By permission of the M arm Ulan 



From 



