OF ARTS AND SCIENCES. 



223 



aforesaid system of operations be recommended, by the Academy, to 

 the Secretary of the Treasury of the United States, with the request 

 that he would instruct the Superintendent of the Coast Survey to 

 cause suitable observations to be made to effect the objects herein 

 recommended, by the establishment of permanent marks or monu- 

 ments at ascertained heights above the mean sea-level, at suitable in- 

 tervals, along the eastern and western coasts of the United States ; and 

 also that he be requested to cause a record of the observations and 

 marks or monuments to be made and furnished to the various scientific 

 institutions in this country, 



" All of which is respectfully submitted, by 



Charles T. Jackson, 

 E. Desor, 

 Edward C. Cabot, 

 Charles H. Davis." 



This report was accepted, and the Corresponding Secre- 

 tary was instructed to forward an authenticated copy to the 

 Secretary of the Treasury. 



Judge Shaw paid a feeHng tribute to the memory of the 

 late Dr. Martin Gay, for many years a distinguished Fellow 

 of the Academy. He spoke of his attainments as a chemist, 

 and especially as an adept in medical jurisprudence, and of the 

 peculiar faculty he had of rendering scientific principles and 

 processes intelligible to a jury. In conclusion, he offered the 

 two following resolutions, to which a third was added by Mr. 

 J. Hale Abbot. 



" Resolved, That the Academy have received, with the deepest 

 feelings of sorrow, intelligence of the decease of our lamented asso- 

 ciate, Dr. Martin Gay, in the vigor of life, and in the midst of his 

 usefulness. 



" Resolved, That, regarding our late associate as a man of learning, 

 ardently devoted to the pursuit of useful science, as a member of 

 society and of a learned profession, of singularly pure and elevated 

 principles, and of undeviating integrity, as a friend, amiable and be- 

 loved in all the relations of life, we shall ever cherish the recollec- 

 tion of his virtues, and hold his memory in the highest respect. 



" Resolved, That the Fellows of the Academy sincerely sympathize 



