Walker Prizes in Natural History 
the provisions of the will of the late Dr. William Johnson Walker two prizes are annually offered 
by the Boston Socrery or Narurat History for the best memoirs written in the English language, on 
subjects proposed by a C ittee appointed by ncil. 
For the best memoir presented a prize of sixty dollars may be awarded; if, however, the memoir be 
one of marked merit, the amount may be increased to one hundred doll t the discret f 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. 
The competition for these prizes is not restricted, but is open to all. 
ttention is especially called to the following points: 
1. In all cases the memoirs are to be based on a considerable body of original and unpublished work, 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. 
3. Although the awards will be based on their intrinsic merits, preference may be given to memoirs 
& evidence of having been prepared with special reference to competition for these prizes. 
Pee, i oT st be accompanied by a sealed envelope enclosing the author’s name and super- 
scribed with a motto corresponding to one borne by the manuscript, and must be in the hands of the Secre- 
tary on or before April rst of the year for which the prize is offered. 
5- The Society assumes no responsibility for publication of manuscripts submitted, and publication 
should not be made before the Annual Meeting of the Society in May. 
Subject for 1912 and 1913: 
Any biological or geological subject. 
GLOVER M. ALLEN 
Boston Society of Natural History raped 
Boston, Mass., U.S.A. 
Morphology of Gymnosperms 
Joun M. CouLTerR AND CHARLES J. CHAMBERLAIN 
N 1901, Coulter and Chamberlain published their “Morphology of Gymnosperms, 
which brought together in organized form the results of research up to that time. 
The book was based partly on original work by the authors and partly on material 
from the reports of other investigators, and it at once took its place as the standard work 
On the subject. 
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The University of Chicago Press 
Chicago, Illinois 
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