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stress of the work fell upon an ill-conditioned ship's company. Dr. 

 Hayes proposes to give two years to his exploration. The first of 

 these he designs to employ in reaching his head quarters at or near 

 Cape Frazer; and in establishing thence northward, on the west side 

 of Kennedy channel, secure depots of provisions, as far as the lati- 

 tude assigned by Morton to the open water reported by him, or fur- 

 ther, if necessary ; and in explorations preliminary to the main at- 

 tempt. The second year, or such portion of it as may be sufficient, 

 Dr. Hayes appropriates to the ascertainment of the condition of the 

 polar adjacencies, and to such observations as may be most impor- 

 tant to science. Thus the expedition of Dr. Kane, which may seem 

 to discourage further attempts in the same direction, is viewed by Dr. 

 Hayes as really furnishing the knowledge which promises final suc- 

 cess. Your committee concur in this view. 



In such circumstances, your committee cannot doubt that it is pro- 

 per for the American Philosophical Society to co-operate with Dr. 

 Hayes, in such manner as may be conformable with its usages in 

 like cases; and especially to give to him the benefit of such system- 

 atic instruction as may best further the general purposes of the So- 

 ciety in the discovery and diffusion of useful knowledge. 



Your committee respectfully submit the following resolution : — 



Resolved, That a committee of nine members of the Society be ap- 

 pointed to co-operate with Dr. Hayes in his proposed extension of 

 Arctic exploration, and to give to him, on the part of the Society, 

 such instructions as may best promote its objects. 



All of which is respectfully submitted. 



The resolution accompanying the report was adopted, and 

 the presiding officer authorized to appoint the committee, and 

 announce it at a future meeting. 



Mr. Justice referred to the comet which is now visible, and 

 inquired whether any of the members had observed prismatic 

 colours in the coma; stating that he thought he had distinctly 

 observed a greenish hue, tinged with rose-colour, on several 

 occasions. 



Prof. Cresson remarked that he had observed a reddish 

 tinge; and other members spoke of the appearances presented 

 during their observations of the comet. 



Mr. Lesley called the attention of the members to some spe- 

 cimens of photo-lithography, executed by Mr. Rehn, of Phila- 



