PEEFACE TO VOL. VI. 



T, 



he history of our expedition is in several respects intimately connected 

 with the name of my good friend, Prof. H. Mohn. As stated in the Intro- 

 duction to my popular account of the Expedition ("Farthest North") it was 

 after reading a newspaper article by Prof. Mohn (in 1884) on the Jeanette relics 

 that I got the first suggestion towards the planning of the expedition. Mohn 

 was one of the few who always believed in the practicability of this plan. 

 He was one of the last friends to bid us farewell when we left Vardo in 

 1893, and by a strange coincidence he was also the first friend Johansen 

 and I met, when three years later we again went ashore, also at Vardo. 



This important volume is entirely Mohn's work, and in now laying it 

 before the scientific world I feel I could find no better opportunity of according 

 him my special and cordial thanks for the valuable assistance he rendered 

 the expedition in this and in other ways. 



At my request Professor H. Mohn kindly took charge of the meteorological 

 equipment of the expedition from the very beginning. In concert with me, he 

 laid the plan of the meteorological work to be carried out during the voyage ; he 

 ordered the instruments and tested them, and he gave Capt. Scott-Hansen 

 the necessary instructions for making the observations, and pointed out how 

 the whole meteorological work should be superintended. 



After the return of the expedition, he did me the great favour of under- 

 taking to work up the voluminous and important meteorological material col- 



