FEBRUARY, 1916 



THE 



AMERICAN 

 NATURALIST 



A MONTHLY JOURNAL 

 Devoted to the Advancement of the Biological Sciencet with 

 Special Reference to the Factors of Evolntion 



CONTENTS 



J» 



L A farther Analysis of the Hereditary Transmission of Degeneracy and De- 

 formities by the Descendants of Alcoholixed Mammals. Dr. Chablks R. 



H. Fecundity in the Domestic Fowl and the Selection Problem. Dr. Raymond 



Pbam. - -- -- -- -- -- -- - 



in. The Evolution of the Cell. The Late Professor E. A. Mixchin - - - 

 IV. Shorter Articles and Discussion : Inheritance of Congenital Cataract. D. F. 



Jonbs and S. L. Mason. Huxley as Mntationist. Dr. R. RrooLKS Gates. 



THE SCIENCE PRESS 

 LANCASTER, PA. GARRISON, N. Y. 



NEW YORK : SUB-STATION 84 



