ILLUSTRATIONS 



PAGE 



Many-colored Butterflyingfish. Frontispiece 



— Exonautes nonsuchae — Exonautes rondeletii 



1. Millions of years ago Mount Bermuda nosed its way 



to the upper air through two miles of ocean. 16 



2. Modern Mount Bermuda from the air. 17 



3. The largest single cells in the world: Halicystis, a 



one-celled seaweed, known in Bermuda as sea bot- 

 tles, and looking like emeralds. 32 



4. The water-worn gorges show the many lines of 



wind-blown eolian sand. 33 



5. A sixty-foot cliff showing the alternate soil and sand 



layers of three glacial periods. 36 



6. Palmetto palms buried in a sand-storm at least two 



hundred thousand years ago. 37 



7. A stunted cedar of Nonsuch, two hundred and 



seventy-six years old. 44? 



8. Nonsuch vegetation: Cedar trees and undergrowth 



of goldenrod and sage-bush. 45 



9. Gurnet Rock. The water in the foreground covers 



Almost Island. 48 



10. Gurnet Rock at night. At this time sharks come in 



by the hundred from the open sea. 49 



11. Looking down through the ceiling of Almost Island 



to the brain corals and seafans of the reef floor. 64 



12. Four tenants of Almost Island: Abudefdufs, a 



Striped Grunt and a Blue Surgeon. 65 



13. The author studying fish, four fathoms under sea. 68 



14. Pempherids inhabit Almost Island by the hundred. 69 



15. Shooting flyingfish from the bow of the Skink. 76 



16. Nest of Four- winged Flyingfish. A floating ball of 



Sargassum bound together with silken threads. 77 



17. Newly-laid eggs of flyingfish in Sargassum weed. 



Greatly enlarged photograph. 80 



18. Eggs of flyingfish ready to hatch, and one newly- 



hatched fish. 81 



xiii 



