AMERICAN GEOLOGISTS AND NATURALISTS. 11 



rectness of the views presented, and extending the same to the 

 States of Ohio and Illinois, were made by other members. 



Some suggestions were next offered concerning the fertilizing 

 properties of mica. These led to some remarks on the cause of 

 the fertilizing powers of the green sand, the peroxide of u'on, &cc., 

 when it was 



Resolved, That the subject of mineral manures be open for 

 discussion at the next meeting, and that the members be request- 

 ed to note all such facts as may contribute to its elucidation. 



Professor Silliman was then unanimously elected Chairman 

 for the next meeting, and the present chairman was requested to 

 open that meeting with an address. 



The Secretary was requested to prepare an abstract of the pro- 

 ceedings of this session of the Association, for publication in the 

 American Journal of Science, and in the Journal of the Franklin 

 Institute ; when, after the usual vote of thanks, the Association ad- 

 journed to meet in Philadelphia on the first Monday in April, 1841. 



SECOND SESSION. 1841. 



The second annual meeting of the Association was held dur- 

 ing the second week in April, at the rooms of the Academy of 

 Natural Sciences in Philadelphia. 



Monday, April 5th, 1841, 4 o'clock, p. m. — The Association 

 met pursuant to the adjournment of last year. The regularly 

 appointed presiding officers being absent, Prof. Henry D. Rog- 

 ers was called to the chair. After the completion of some busi- 

 ness arrangements, the Association adjourned until 10 o'clock, 

 A. M. of Tuesday. 



Tuesday, April 6th, 1841, 10 o'clock, a. m. — The Association 

 met pursuant to adjournment. Prof. Silliman took the chair. 

 Dr. L. C. Beck was appointed Secretary. Messrs. W. R. John- 

 son, Vanuxem, H. D. Rogers, Mather, and Locke, were 

 appointed a committee to report a plan of business for the meet- 

 ing. 



The subject of mineral manures having been defeiTcd at the 

 last annual meeting, was proposed for discussion. Remarks 



