A Monograph of Marcus Island. 83 



disposal did not permit of making S3'stematic soundings ; neverthe- 

 less a number of attempts were made at various times to find 

 anchorage for our schooner close in to land, with the result that 



I-'u;. 2. Showing large flag rock of shingle conglomerate that has been broken 

 loose from the water line and carried inland by the acftion of the sea. In the tree 

 are three nests of the Noddy Tern, Aiunt^ itolidui (Linn.)- 



bottom was found at a depth of eight to fourteen fathoms on all 

 sides of the island, within a few hvtndred yards of land. The bot- 

 tom was of solid rock— probably coral — with occasional patches of 

 sand and shingle. I believe that no vessel has found a satisfactory 



