XIV INTRODUCTION. 



which relates to his arrival in Beering's Strait, we 

 enclose you herewith an extract from them, as also 

 a copy of a ' Memorandum,' drawn up by Captain 

 Parry, and dated ' Hecla, Davis' Strait, June, 1824 ;' 

 to both of which we desire to call your particular 

 attention, in order that you may govern your pro- 

 ceedings accordingly. 



" Having remained in Beering's Strait as late in 

 the autumn of 1827 as the season will admit, and 

 without risking the chance of being obliged to winter 

 on account of the ice, you are to proceed to Eng- 

 land by the route before directed ; reporting to our 

 secretary your arrival, and transmitting the jour- 

 nals of yourself and officers for our information. 



" In the prosecution of your voyage out, and 

 during your stay in the Pacific, you are to be parti- 

 cular in noticing the differences of longitude given 

 by your chronometers, from any one place to an- 

 other, which you may visit in succession. 



" As we have appointed Mr. Tradescant Lay as 

 naturalist on the voyage, and some of your officers 

 are acquainted with certain branches of natural his- 

 tory, it is expected that your visits to the numerous 

 islands of the Pacific will afford the means of col- 

 lecting rare and curious specimens in the several 

 departments of this branch of science. You are to 

 cause it to be understood that two specimens, at 

 least, of each article are to be reserved for the pub- 

 lic museums ; after which the naturalist and officers 

 will be at liberty to collect for themselves. You 

 will pay every attention in your power to the pre- 

 servation of the various specimens of natural his- 

 tory, and on your arrival in England transmit them 

 to this office ; and if, on your arrival at any place 

 in the course of your voyage, you should meet with 



