VII WATER “975 
them into patches. These become more and 
more liquid, until the land, river, and sea 
merge imperceptibly into one another. The 
river is so muddy that it might almost be 
called land, and the mud so saturated by 
water that it might well be called sea, so that 
one can hardly say whether a given spot is 
on the continent, in the river, or on the open 
ocean. 
