PLATE XXXI 



SYNODONTIS BATENSODA, A FISH OF THE NILE WHICH HABITUALLY 

 SWIMS IN AN INVERTED POSITION 



llil. FOUR-EYED FISH. ANAHLEPS TETROPHTHALMUS 



!,' MYCTOPHUM REMIGER, AN OCEANIC FISH \\ II H LUMINOUS ORGANS 



( AF ["ER <■' >iHH' AN I) BEAN ) 



IPNOPS AGASSIZII. (after gai 



