Hayden Memorial Geological Fund. 
Mrs. Emma W. Hayden has given to the Academy of Natural Sciences of Phila- 
delphia 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. P., 
LL. D. According 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, ex- 
ploration, 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 
therewith 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. 
