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DYNAMIC EVOLUTION 
By CASPER L. REDFIELD 
Price $1.50 
DYNAMIC EVOLUTION shows that the energy in 
animals, known as intelligence and physical strength, is 
identical with the energy known in mechanics, and 
is governed by the same laws. 
$1,000 
Have been deposited with the AMERICAN GENETIC ASSOCIA- 
TION to be paid out at their discretion if it can be shown that 
those laws are ever violated in the reproductive process. DY- 
NAMIC EVOLUTION is authority for the meaning of the terms 
of the offer, the details of which were published in the JOURNAL 
OF HEREDITY for February, 1916. 
G. P. PUTNAM’S SONS 
NEW YORK and LONDON 
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1 i i a he ee 
HE TH 
SE EE LL 
The Genealogical Magazine 
(Established 1890) 
Published Quarterly—December, March, June, September 
Three Dollars a Year 
EDITORS 
Eben Putnam John E. Bowman, S.T.B. S. P. Sharples, S.M. 
George Andrews Moriarty, A.M., LL.B. Charles S. Remington 
UBSCRIBERS desiring to have family lines printed in the magazine, if 
their manuscript is approved, may make arrangements for its publication 
as matter additional to the regular issue. 
Maternal or Paternal lines showing inheritance of particular traits will be 
welcomed. 
The contents of the magazine are of general interest—historical, genealogical, 
antiquarian. Considerable space is devoted to printing records. Especial 
attention is devoted to material throwing light on the origin of American 
families and the migration to this country. 
Specimen copy, 25 cents Address: 26 Broad Street, Boston, Mass. 
mm ee ee ee 
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