12 PRELIMINARY CHAPTER. 



to the ship, as the second party, directing their 

 course towards Point Turnagain, will, in that 

 case, decide from what point the trending of 

 the coast to the northward commences. 



" To the vigorous pursuit of these interesting 

 geographical questions, all minor objects must 

 be sacrificed ; and no halt in the progress towards 

 the termination of the journeys above mentioned 

 should be any where permitted, for the purpose 

 of obtaining information on any of those colla- 

 teral subjects which otherwise it would be highly 

 desirable to collect. 



" Nevertheless, on the return of the parties, 

 when they can estimate what time they have to 

 spare, and at every nightly station, every adverse 

 gale, or impervious fog, will afford opportunities 

 for observing the magnetic dip and intensity, and 

 for encouraging a variety of valuable researches 

 in other branches of science, the necessary 

 instruments for which purposes have been sup- 

 plied to you, and the opportunities for effecting 

 which you will no doubt discreetly employ. 



" In any large enterprise of this nature much 

 must be left to the experience, judgment, and 

 responsibility of the commanding officer ; and 

 as the general objects of this Expedition have 

 been fully explained to you, so the detailed 

 manner of executing them is hereby committed 

 to your own discretion and zeal, always re- 



