VEGA-EXPEDITIONEN S V ET EN S K A FL IG A AliBETEN. 



377 



contrary to what might be expected — not more vai'iable 

 than in the Atlantic. 



Sea-waters (Siberian ocean) 



In the waters from the North- Atlantic Mr. Sch mel c k 

 found the following proportions. 



The amount of SO3 and CaO relatively to Cl in the upper 

 layers of the Siberian sea is greater than in the Atlantic. 

 The cause of this is twofold, viz. the admixtiire of river- water 

 and the chemical phenomena accompanying the freezing and 

 melting of sea-ice. 



Hydrographic observations in the Behring Sea. 



The following table contains the resnlts of the deep- 

 soundings in the Behring Sea. The results obtained diiring 

 the voyage from Port Clarence on the American coast to 

 Konyam Bay on the Asiatic side of the strait are graphically 

 represented on section XII, plate 26. 



