$24 Prof. Bache’s Leciure on the Gulf Stream. 
by Lieut. Maffitt on the Charleston section and by Lieut. Craven 
on the St. Simon’s section. Diagram No. 9, Plate I, shows this 
awana. 
Do these bands correspond throughout their length to the form 
of the bottom of the sea? This is not yet made out, many as 
have been the attempts to reach the considerable depths off the 
more northern sections. Three officers have attempted to sound 
out the Cape Cod section, but the cold wall is all that has been 
reached thus far. The range of hills nearest to the coast, has 
been traced from the coast of Georgia by Commander Sands to 
off Cape Lookout. 
Ill. Taz Corp WaAut. 
The cold wall extends with varying dimensions and changes 
of its peculiar features, all along the coast where the stream has 
been examined. A diagram showing the features of the co ; 
wall on the various Atlantic sections and those of the eta 0 
Florida is given in No. 10, Plate I. Table No. 1 shows the ‘a 
tance of the cold wall from the coast and the dimensions of the 
Atlantic bands of the Gulf Stream. id 
The table shows that at Cape Florida and Cape Hatteras the co 
wall is nearest to the coast. The distance of the axis of the aren 
from the coast will be found by adding half the numbers 1n the sec 
stream, a result which a more elaborate investigation of the payer’ 
In the portions of z 
course between Cape Florida and Mosquito inlet (3+° of latitude) 
