, 
43 W’. Ferrel on motions of Fluids and Solids 
ward motion of the Southern Ocean. The east side of the South 
Atlantic, as well as that of the North Atlantic, seems to have a 
motion toward the Pin aor Says Sir James Ross, “ There is a 
current from the Cape of Good Hope along the west coast of 
Africa 60 miles wide, 200 fathoms deep, with : velocity of one 
mile per hour, of the. mean temperature of the cean.” (Voyage 
a Mozambique current from the warm “waters of the In re 
Hence the South Atlantic also has a Pceane. to assume a over 
tory motion, and the equatorial current of the Atlantic is merely 
the equatorial portion of these two gyrations, with perhaps a 
small part of the Mozambique current passing around the Cape. 
e general eastward motion of the water of the northern 
part of the Atlantic, and the consequent depression of the water 
next the coast of North America, is the cause of the cold current 
of water flowing from Baffin’s Bay and the east coast of Green- 
land, between the Gulf Stream and the coast of the United States 
called the Greenland current. Since the warm water of the Gulf 
tream, in flowing northward, is deflected toward the east (§ 5), 
and that of the Greenland current, in pre south, tends toward 
the west, there is no in termingling of the waters of the two eur- 
rents, but they are kept entirel y separate as if divided by.a wall, 
as has been established by the Coast Survey. 
. There must be a motion of the waters somewhat similar 
there is the warm China current, flowing toward the north, sim- — 
eg to the Gulf Stream, and the cold Asiatic current insinuating © 
mingle with the general eastward current of the South Sea, and 
hence there is a slight tendency to a gyratory motion in the In- © 
dian Ocean also. 
46, On the western sides of the continents there is a motion 
somewhat the reverse of this, and instes ad of a warm current j 
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