562 



CUEEENTS AND DEPTHS OF MEDITERRANEAN. [Ch. XXI. 



same 



These lateral currents ebb and flow with the tide, settin 

 alternately into the Mediterranean and into the Atlantic. 

 But it is a generally received opinion, that in spite of their 

 action, there is a great excess of water flowing inwards, to 

 make up for the loss which the Mediterranean 



evaporation 



For the winds blowing from the shores of 



Africa are hot and dry, and the temperature of the air invest- 

 ing the great inland sea, as well as that of the water, is higher 

 on an average than the eastern part of the Atlantic Ocean 

 in the same latitude. 



Fig. 58. 





MEDITERRANEAN. 



Straits 



of 

 Gibraltar. 



Western Basin. 



Eastern Basin. 



Basin of 



Greek Ar- [ 



chipelago. ' 

 / 



i oq F&Choms 



Temperature 



Temp, j) 



Olit Fahr. 



Section of the Mediterranean Basins. 



A. Submarine ridge, 167 fathoms deep, between Capes Trafalgar and Spartel. 

 Adventure and Medina Banks, 200 fathoms deep, between Sicily and Atrica. 

 Bidge, 200 fathoms deep, between the Eastern Basin and Greek Archipelago. 

 Asia Minor. 



B. 

 C. 

 D. 



The western basin of the Mediterranean, or that lying 

 to the west of Sicily, between A, B (fig. 58), has a 

 temperature, according to Captain Spratt, at depths below 

 100 fathoms, of hH° Fahrenheit, whereas the Atlantic m 

 the same latitude is much colder, having at corresponding 



temp 



Fahr. This extraordi- 



i 









1 



" 



j • 







Sunn 



; 1 









M' 





|IS R 









- T). 











I 







