2 H. MOHN. METEOROLOGY. [NORW. POL. EXP. 



observations, separately for each of the meteorological elements; I shall 

 then tabulate the reduced values, and finally set forth the results deduced 

 therefrom. The temperature of the sea has been treated by Professor NANSEN 

 in Volume III of the present Report. 



A copy of the instructions given by the Norwegian Meteorological In- 

 stitute for making meteorological observations at land-stations and at sea, lay 

 on board for the use of the observers. 



