APPENDIX. 365 



scientific gentlemen, consisting of the following persons, will accom- 

 pany the Expedition, and are placed under your direction. 



Mr. Hale, Philologist, 

 Mr. Pickering, 



( Naturalists. 

 Mr. Peale, ) 



Mr. Couthouy, Conchologist. 

 Mr. Rich, Botanist. 

 Mr. Dana, Mineralogist. 

 Mr. Drayton, ) _ . 



Mr. Agate, j Draughtsmen. 



Mr. Brackenridge, Horticulturist. 



" The hydrography and geography of the various seas and countries 

 you may visit in the route pointed out to you in the preceding instruc- 

 tions, will occupy your special attention; and all the researches 

 connected with them, as well as with astronomy, terrestrial magnet- 

 ism, and meteorology, are confined exclusively to the officers of the 

 Navy, on whose zeal and talents the Department confidently relies 

 for such results as will enable future navigators to pass over the track 

 traversed by your vessels, without fear and without danger. 



"No special directions are thought necessary, as to the mode of 

 conducting the scientific researches and experiments which you are 

 enjoined to prosecute, nor is it intended to limit the members of the 

 corps each to his own particular service. 



" All are expected to co-operate harmoniously in those kindred pur- 

 suits, whose equal dignity and usefulness should insure equal ardour 

 and industry in extending their bounds and verifying their principles. 



" As guides to yourself and to the scientific corps, the Department 

 would, however, direct your particular attention to the learned and 

 comprehensive Report of a committee of the American Philosophical 

 Society of Philadelphia, the Report of a Committee of the East India 

 Marine Society of Salem, Massachusetts; and to a communication 

 from the Naval Lyceum of New York, which accompany, and are to 

 be regarded as forming a part of these instructions, as far as they may 

 accord with the primary objects of the Expedition, and its present 

 organization. You will, therefore, allow the gentlemen of the scientific 

 corps the free perusal of these valuable documents, and permit them to 

 copy such portions as they may think proper. 



" The Russian Vice- Admiral, Krusenstern, transmitted to the De- 

 partment memorandums relating to the objects of this Expedition, 

 together with the most approved charts of his Atlas of the Pacific 

 Ocean, with explanations, in three volumes. These are also confided 

 to your care, and it is not doubted that the friendly contribution of 



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