120 ARCTIC VOYAGES. Chap. IV. 



and energetically obeyed and assisted by all his 

 officers in both ships; and in addition to the 

 ordinary services which navigation and nautical 

 astronomy require, he had the benefit of Captain 

 Sabine's valuable and cordial co-operation in carry- 

 ing out a series of experiments in a branch of 

 science unconnected with any that regards naviga- 

 tion — the swinging a pendulum for ascertaining 

 the ellipticity of the earth. Captain Sabine, being 

 a connection of Mr. Henry Browne, of Portland 

 Place, had unrestricted access to that gentleman's 

 observatory and valuable collection of astronomical 

 instruments, some of which were supplied to the 

 present expedition ; and the practical use of them 

 was well known to Captain Sabine. In the ap- 

 pendix to Commander Parry's narrative we find 

 the Captain joined with other officers in making 

 observations on the dip, the variation and declination 

 of the magnetic needle ; in ascertaining the latitudes 

 and longitudes by thermometers jointly with Parry, 

 Beechey, and Hooper ; and lunar observations 

 taken at Winter Harbour and at sea with Parry, 

 Beechey, Hooper, and Ross, amounting to the ex- 

 traordinary number of six thousand eight hundred 

 and sixty-two. 



Sabine, in addition to all these, describes (in the 

 appendix) the subjects of natural history collected 

 in the three classes of mammalia, birds, and fishes. 

 But the most important will probably be considered 



