LIST OF ILLUSTEATIONS 



Stomias Boa. After Filhol, ' La Vie au Fond 



DES Mers ' Frontisjnece 



FIG. PAGE 



1 Diagram illustrating the Passage of an 



Ocean Current across a Barrier . . 32 



2 Slcycnis crasm. After Eertwig, ' "Challenger " 



Keports' 36 



3 Globigerina Ooze. After Agassiz, ' Voyages op 



THE "Blake"' 38 



4 Section through the Eye op Serolis schytliei. 



After Beddard, ' " Challenger " Reports ' 74 



5 Section through the Eye of Serolis Iromleyana. 



After Beddard, ' " Challenger " Reports ' 74 



6 Oposto7nias wicripmis. After Gunther, '"Chal- 



lenger" Reports' 78 



7 Head of Pachystomiaa mi&rodm.. After Von 



Lendenfeld, ' " Challenger " Reports ' 



8 Section through the Anterior Sub-orbital 



Phosphorescent Organ of Pachy stomias mi 

 crodon. After Von Lendenfeld, ' " Chal 

 lenger" Reports' 



79 



80 



