196 PROCEEDINGS OF THE AMERICAN ACADEMY 



" Whereas this Academy has recently received intelligence of the 

 afflictive event which has deprived it of its illustrious Foreign Member, 

 and the world of a great master in mathematical, astronomical, and 

 physical sciences, — 



" Resolved, That the American Academy of Arts and Sciences 

 would unite with other learned institutions throughout the world in 

 expressing its sense of the immense loss sustained by Science in the 

 death of Carl Fried rich Gauss. 



" Resolved, That the Academy has regarded with pride and admi- 

 ration the long and brilliant scientific career of the venerable ' father 

 of sciences,' whose usefulness has been permitted to extend to. the 

 last hours of a life longer than is ordinarily permitted to mortals, al- 

 though it closed with the full brilliancy of its noon. 



" Resolved, That the Academy offers its condolence to the bereaved 

 family of the illustrious dead," 



Dr. 0. T. Jackson exhibited drawings of a microscopic view 

 of a fungus on the surface of a yellow rose. 



Dr. Jackson also read the following analysis of water from 

 the Sacramento River, California. 



" 7 cubic centimetres, equal to 2^ fluid ounces nearly, gave of solid 

 matter 0.4 grains. This was found to consist of 



Silicic Acid, 0,08 



Soda and Chloride of Sodium, . . 0.22 

 Sulphate of Soda, ..... traces. 

 Organic matter, . . . . . 0,10 



0.40 



This water contains no salts of lime." 



The election of officers was held in the usual form, and 

 the following were chosen : — 



Jacob Bigelow, .... Presiderit. 



Daniel Treadwell, . . Vice-President. 



Asa Gray, Correspo?idijig Secretary. 



Samuel L. Abbot, . . . Recording Secretary. 



Edward Wigglesworth, . Treasurer. 



Nathaniel B. Shurtleff, Librarian. 



The following gentlemen were chosen Members of the 

 Council for Nomination, viz. : — 



