106 BULLETIN OF THE 



volume entitled " The Order of the Sciences. An Essay on the 

 Philosophical Classification and Organization of Human Knowl- 

 edge." By Charles W. Shields, Professor in Princeton College. 

 103 pp., 12mo. New York, Charles Scribner's Sons, 1882. 



This communication was discussed by Messrs. Ward, Powell, 

 Antisell, Taylor, Alvord, and Baker. 



219th Meeting. June 3, 1882. 



President Wm. B. Taylor in the chair. 

 Twenty-two members and visitors present. 



The first communication offered was by Mr. Alvord 



on the compass plant. 



This communication has been published with the title " On the 

 Compass Plant," by Benjamin Alvord, in the American Naturalist 

 for August, 1882, No. 16, pp. 625-635. 



Remarks were made on the exhibition of polarity in other vege- 

 table types by Messrs. Henry Farquhar and Theodore Gill. 



Mr. E. B. Elliott next presented to the Society a communica- 

 tion 



ON SOME FORMULAS RELATING TO GOVERNMENT SECURITIES. 



Mr. C. H. Kummell then presented a communication 



ON COMPOSITION OF ERROR FROM SINGLE CAUSES OF ERROR. 



This was unfinished when the hour of adjournment arrived, and 

 its completion went over to the next meeting. 



Adjourned. 



225th Meeting. June 17, 1882. 



President Wm. B. Taylor in the chair. 

 Twenty-three members and visitors present. 

 Mr. C. H. Kummell continued his communication 

 on composition of error from single causes of error. 



which was begun at the last meeting. 



