The Mediterranean Sea 



in the following table are of interest. They are taken chiefly 

 from Theobald Fischer's Studien iiber das Klima der Mittcl- 

 mccrlandcr. 



TABLE of mean January temperature (/.), of mean temperature of 

 three winter months, December, January, and February (W.), 

 also Rainfall (R.) in the same three months, for places on the 

 Mediterranean, with those for some others for comparison. 



Nature of the Bottom. In the western basin the bottom 

 consists chiefly of clay of a grey to brownish colour. Without 

 doubt, when freshly collected, the surface layer is reddish- 

 brown and the lower ones dark grey. There is always some 

 carbonate of lime, chiefly due to Foraminifera. The mud very 

 much resembles that obtained from similar depths in those 

 parts of the open ocean whose bottom waters are shut off 

 from free communication by ridges which may not approach 

 within 2000 or 1500 fathoms of the surface, and with the 

 exception of the Foraminifera it much resembles the mud from 



