Vol. XXIII, pp. vii-xi January 28, 1911 



PROCEEDINGS 



BIOLOGICAL SOCIETY OF WASHINGTON 



PROCEEDINGS. 



The Society meets in the Asseml)ly Hall of the Cosmos Club 

 on alternate Saturdays at 8 p. m.* Brief notices of the meet- 

 ings and abstracts of papers presented are ])ViI)lished in Science. 



January 8, 1910— 464th Meeting. 



President T. 8. Palmer in the chair and ')o ])ersons present. 



Vernon Bailey exhibited the skull and beak of the Anhinga. 



The following communications were presented: 



The muskrat industry- in Maryland: D. E. Lantz. 



From Nairobi to Washington with a collection of living 

 animals: A. B. Baker. 



The present status of the chestnut tree disease in the United 

 States: Haven Metcalf. 



January 22, 1910— 465th Meeting. 



President Palmer in the chair and 9<S persons present. 



The following communication was presented : 



Fluctuations of animal population in the Northwest: Ernest 

 T. Seton. 



The discussion was by T. S. Palmer, Barton W. Evermann, 

 Vernon Bailey, A. D. Hopkins, and others, and was closed by 

 Mr. Seton. 



February 12, 1910— 466th Meeting. 



Vice-President E. W. Nelson in the chair and 72 persons 

 present. 



•Meetings for the early part of the year were held in the West Hall of George 

 Washington University. 



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