Page:Early voyages to Terra Australis.djvu/343

 THE iioutman's abkolhos. 189

" Rocks aud shoals in the ocean have been fre(|uently seen and their true positions given, but on further search could not be found. Now, scientific men may dream, but I am under a strong impression that they do exist ; but, from some unknown causes, the ocean has its rise and fall, and they are seen at the lowest ebb only."