
Walker Prizes in Natural History 
By the provisions of the will of the = Dr. William Johnson Walker two prizes are annually 
offere i by the Boston Socrery or Naturat History for the best memoirs written in the English 
language, on subjects proposed by a Com mittee appointed By the Council. 
For the best memoir presented a prize of sixty dollars may be awarded; if, howev er, the memoir 
be one of marked merit, the amount may be increased to one hundred dollars, at the discretion of the 
committee. 
i 
For the nex t best memoir a prize not oe 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 resirinied: but is open to all. 
Attention is sa called to the following fo = 
1. In all cases the memoirs are to be based on a considerable — of original and unpublished 
= wcecsecaind by a general review of the lite ate of the s 
n ck vk the pouty which shall furnish proof of the Sostity of the author shall be con- , 
sidered - debar the essay from competit 
Although the sani will be based an "their intrinsic merits, preference may be given to 
memoirs bearing evidence of have been prepared with special reference to competition for these 
prize 
; ach memoir must be accompan‘ed by a sealed envelope inclosing the author’s name an nd 
peiceethes with a motto-corresponding-to one borne y the manuscript, and must be in the hands 
ril ize is offer 
5. The Society assumes no responsibility for publication of rr Y submitted, and publica- 
tion should not be made before the Annual Sccting of the Society in May 
UBJECT FOR 1914 AND 1915 
Any biological or geological subject. 
Boston Danica of Natural ould GLOVER M. ALLEN 
ton, Mass., U.S.A SECRETARY 
10 






Cambridge University Press 
(England) 
Herbals. Their Origin and Evolution. 4 , eos in the History of 
Botany, 1470-1760. By AGNES ARBER, D\Se., F.L.S. Royal 8vo. $3.25. 
Mendel’s Principles of Heredity. By W. BATESON, M.A, FRS, V.M.E. 
Py impression with additions. Royal 8vo. With 3 portraits, 6 colored plates, and 38 figures. 
The Methods and Scope of Genetics. pk ange et eet 
23 October-1908 by W. BATESON, M.A., F.R.S. Crown 8vo. 50 cents. 
Vegetation of the Peak Bistetel (Derbyshire, England). By 
MOss, B. fe D.Sc., F.R.G.S., F.L.S. With 36 illustrations and 2 colored vegetation maps. 
be 8vo. ‘$3.7. 
Ty pes of Br itish Vegetation. By members of the Central ere for the 
Survey and Study of British Vegetation. Edited by A. G. TANSLEY, M.A., F.L.S., University 
abe on Botany in the University of Cambridge. Crown 8vo. With 36 sibs and 21 figures. 
Makers va British Botany. 4 collection of Biographies by living botanists, edited 
LIVER. With frontispiece and 26 illustrations. Demy 8vo. $3.00. 

G. P. Putnam’s Sons, Agents for the United States 
2,4, and 6 West pie Street 
New York Cit 


