The subject of this short paper is one which has received much attention, and many theories and reasons have been given therefore, the principal object being to account for the upheaval of the water on the side opposite to the attracting body as well as upon the side adjacent.
My attention was called to this subject some time since by an extract from an article on tides and their cause, published in the Popular Science Monthly which criticised the accepted theory very
severely, and, as I thought, very justly; but there was one thing contained therein which I could not accept, and of which I had never heard before, viz. "It has been proved experimentally that all bodies
on the surface of the earth are heavier at midnight than at any other hour of the twenty-four; and that when new moon occurred at midnight this weight was very much increased."
Now this fact may have been proven as alleged, but I do not believe it. In my opinion the fact that there is a tide on the side of the earth opposite the attracting body is the best refutation of the