Other inquiries concerning the sea.

The publisher of these tracts, knowing that the Honorable Robert Boyle had not left unconsidered the natural history of the sea, of which subject the late, and these present papers, have entertained the reader as to the observables of its flux and reflux; He was on this occasion instant, with that gentleman to impart to him, for publication, these heads of inquiries, he had drawn up, touching that subject: which having obtained (though the author desires, they may be lookt upon as unfinisht) he thus subjoyns.