WALKER PRIZES IN NATURAL HISTORY 



By the provisions of the will of the late Dr. William Johnson Walker two 

 prizes are annually offered by the Boston Society of Natural History for the 

 best memoirs written in the English language, on subjects proposed by a Committee 

 appointed by the Council. 



For the best memoir presented a prize of sixty dollars may be awarded ; if, how- 

 ever, the memoir be one of marked merit, the amount may be increased to one 

 hundred dollars, at the discretion of the Committee. 



For the next best memoir a prize not exceeding fifty dollars may be awarded. 



Prizes will not be awarded unless the memoirs presented are of adequate merit. 



Hie competition for these prizes is not restricted, but is open to all. 



Attention is especially called to the following points : 



and unpublished work, accompanied by a general review of the literature of the 

 subject. 



2. Anything in the memoir which shall furnish proof of the identity of the 

 author shall be considered as debarring the essay from competition. 



based upon researches made directly in competition for the prizes. 



Boston Society of Natural History, 



GLOVER M. ALLEN, Secretary 



