x The Biological Society of Washington. 



J. N. Rose : A Very Curious Plant from Mexico. 

 Theo. Gill : The Segregation of Freshwater Fishes. 

 A. B. Baker : Exhibit of Living Animals at the St. Louis 

 Exposition. 



November 5, 1904 agoth Meeting. 



Vice-President Hay in the chair and 46 persons present. 



Ch. W. Stiles spoke briefly of the meeting of the International 

 Committee on Zoological Nomenclature in Berne. 



The following communication was presented : 



Gen. T. E. Wilcox : The Flora of the Western United States 

 and Alaska. 



November 19, 1904 3gist Meeting. 



The President in the chair and 34 persons present. 



B. W. Evermann spoke of the abundance of waterfowl at 

 Lake Maxinkuckee, Indiana, about November 5, 1904. 



The following communications were presented : 



E. L. Greene : A Chapter in the Evolution of Generic Nomen 

 clature. 



David White : A New Seed-bearing Fern.* 



December 5, 1904 3g2nd Meeting. 



. 

 The President in the chair and 35 persons present. 



G. K. Gilbert exhibited photographs and specimens of the 

 bark of the aspen tree showing marks made by the claws of 

 bears and other animals. 



The following communications were presented : 



H. W. Oldys : Some New Bird Songs. 



W. H. Dall : The Relations of the Non Marine Mullusk Fauna 

 of Alaska. t 



B. W. Evermann : A Trip to Mount Whitney. 



*The Seeds of Aneimites, Smithsonian Misc. Coll. (Quart. Issue), XLVII, pp. 322-331, 

 pis. XLVII-XLV1II, 1904. 



t To be published in Popular Science Monthly. 



