...How the Level of a Trait or Trait-Complex May Be Raised Through Marriage-Selection WlLHELMINE E. KEY Eugenics Record Office, Carnegie Institution of Washington, Cold Spring Harbor, Long Island, NY IN tracing the history of the Rufer family as given in the preceding paper, the conclusion seems justified...

...MATHEMATICALLY CLOSE ANALOGIES BETWEEN DICE-CASTING AND CERTAIN BREEDING PHENOMENA HARRY H. LAUGHLIN Eugenics Record Office, Carnegie Institution of Washington, Cold Spring Harbor, Long Island Received February 25, 1921 TABLE OF CONTENTS INTRODUCTION 384 Biological analogies 385 Parents and...

...on the Board of Trustees of the Gotham Hospital. In February, 1927, Harry H. Laughlin, Sc.D., of the Eugenics Record Office, Carnegie Institution of Washington, Cold Spring Harbor, Long Island, NY, submitted a series of statements on the biological aspects of immigration, before the Committee on...

...the Level of a Trait or Trait-Complex May Be Raised Through Marriage-Selection WILHELMINE E. KEY ^» Eugenics Record Office, Carnegie Institution of Washington, Cold Spring Harbor, Long Island, NY IN tracing the history of the Rufer family as given in the preceding paper, the conclusion seems justified...