Introduction. 



1 he hydrographie observations were made, as regards the northern 

 part of Foreland Sound, Kings Bay and Blomstrand Harbour, and Cross 

 Bay, upon the topographical basis of the charts laid down by Isachsen's 

 division of the Prince of Monaco's expeditions in 1906 and 1907. The 

 remaining soundings are based upon the charts laid down and worked up 

 during Isachsen's expedition in 1909 and 1910. 



The sounding work was carried out partly from the vessel of the ex- 

 pedition, S.S. Farm of the Norwegian navy, Commander A. Hermansen, 

 second in command Lieutenant J. C Petersen-Hansen, and partly from 

 rowing-boats b}- one of the above-mentioned officers. When the 

 vessel was not employed in other work, in transport or in maintaining 

 the connection between the various parties of the land expedition, the hy- 

 drographie work went on night and day, as the two officers took alternate 

 watches. 



The place of the soundings is determined by measurement of the 

 angles with a sextant ^. 



The chart was drawn at the Hydrographie Office by Commander 

 Chr. a. Dahl, R. Norw. N., and published by the Norwegian Geographi- 

 cal Survey (Norges geografiske Opmaaling). 



The descriptions given on the Norwegian chart, which were \%Titten 

 bv the officers of the Farm, have been inserted below. 



The geological information has been furnished by A. Hoel and O. 

 Holtedahl, the geologists of the expedition. 



' Observations Astronomiques faites par l'Expédition Isachsen et calculées par Anton- 

 Alexander. Videnskapsselskapets Skrit'ter, [911, No. 19, p. 6. Christiania, 1912. 



