[ayden Memorial Geological Fund. 



Mrs. Emma W. Hayden has given to the Academy of Natural 

 Sciences of Philadelphia in trust the sum of $2,500 to be known as 

 the Hayden Memorial Geological Fund, in commemoration of her 

 husband, the late Prof. Ferdinand V. Hayden, M. I)., LL. D. Ac- 

 cording to the terms of the trust, a bronze medal and the balance of 

 the interest arising from the fund are to be awarded annually for the 

 best publication, exploration, discovery or research in the sciences of 

 geology and paleontology, or in such particular branches thereof as 

 may be designated. The award and all matters connected there- 

 with are to be determined by a committee to be selected in an 

 appropriate manner by the Academy. The recognition is not 

 confined to American naturalists. 



