XVI 



ILLUSTRATIONS 



FIGURE 



13. — Current Rip 



14. — Glaucus .... 



15. — Paper Nautilus . 



16. — Eggs of the Insect Halobates 



17. — Life of the Current Rip 



18. — Diving in Twenty Feet of Water in Dar- 

 win Bay, Surrounded by Hundreds of 

 Fish of Several Dozen Species 



19. — Making Ready to Dive .... 



20. — William Beebe in the Diving Helmet 



21. — The Author in Twenty Feet of Water, on 

 Large Coral Boulders, about to Harpoon 

 a Rare Fish ...... 



22. — Moorish Idol, a Brilliant Shore Fish of 

 THE Galapagos ..... 



23. — Hood Island Rookery of Boobies, Gulls 

 AND Albatrosses ..... 



24. — Galapagos Albatross on its Egg 



25. — These Albatrosses have no Fear of Man 



26. — Birth of a Volcano ..... 



27. — Arcturus Staff Watching the Volcanic 

 Eruption in the Galapagos 



FACING 

 PAGE 



49 

 58 

 58 

 59 

 59 



78 

 79 

 88 



89 



89 



108 

 109 

 109 

 132 



133 



28. — Lava from the Albemarle Volcano Pouring 



into the Sea, Killing Fish and Sea-lions 146 



29. — OsBORN Island, between Gardner and Hood 147 



