THE TIDES. (A PP. E.) 227 



It is, however, only on the extreme supposition 

 we have made, of one water area much larger than 

 all the others taken together, but yet itself covering 

 only a small part of the earth's curvature, that the 

 rise and fall can be done away with nearly altogether 

 in one place, and doubled in another place. 



Q 2 



