PREFACE. Vll. 



The conclusion of the present ran : 



"On all these subjects we shall give implicit direc- 

 tions to the Commander-in-Chief ; we shall prohibit his 

 interfering with your proceedings, or permitting any 

 casual Senior Officer, with whom you may fall in, to 

 control, or meddle with you in any way, unless in cases 

 of extreme exigency, and we shall direct him to keep up 

 your supplies, so as to enable you to carry out this 

 important Service with uninterrupted energy, and to 

 continue on it till you receive further orders from us. 



" (Signed) G. COCKBURN. 



" W. H. CzAGE." 



Dated 13th of January, 1843. 



The Instructions, therefore, confided to me the trust 

 of selecting and examining those points most important 

 to Navigation, and of using the intervals occasioned by 

 the Monsoons, in enlarging the great net-work of Mag- 

 netic Stations over the limits assigned, with the aid of 

 a most complete set of Instruments furnished from the 

 Magnetic Observatory at Woolwich, to which twenty 

 well-proved Chronometers (mostly prize) were added for 

 the purpose of measuring accurate Meridian distances. 



At the moment of my departure from Falmouth, a 

 despatch arrived from the Admiralty, desiring me to 

 visit Sarawak, in Borneo, communicate with Mr. Brooke, 



