LIST OF ILLUSTRATIONS 



STOMIAS BOA. AFTER FILHOL, ' LA VIE AU FOND 



DES MERS ' . . . Frontispiece 



JIG. PAGE 



1 DIAGRAM ILLUSTRATING THE PASSAGE OF AN 



OCEAN CURRENT ACROSS A BARRIER . . 32 



2 Sicycnis crassa. AFTER HERTWIG, '"CHALLENGER " 



REPORTS ' ...... 36 



3 GLOBIGERINA OOZE. AFTER AGASSIZ, ' VOYAGES OF 



THE " BLAKE"' ....... 38 



4 SECTION THROUGH THE EYE OF Serolix 



AFTER BEDDARD, ' " CHALLENGER " REPORTS ' 74 



5 SECTION THROUGH THE EYE OF Serolis bromleyana. 



AFTER BEDDARD, '"CHALLENGER" REPORTS' 74 



6 Opostomias Micripmis. AFTER GUNTHER, '"CHAL- 



LENGER" REPORTS' ...... 78 



7 HEAD OF Pachystomiax microdon. AFTER VON 



LENDENFELD, ' " CHALLENGER " REPORTS ' . 79 



8 SECTION THROUGH THE ANTERIOR SUB-ORBITAL 



PHOSPHORESCENT ORGAN OF Pachystomias mi- 

 crodon. AFTER VON LENDENFELD, ' " CHAL- 

 LENGER" REPORTS' 80 



