xii The Biological Society of Washington. 



The following communications were presented : 

 Charles L. Pollard : Floral Asymmetry in Chamsecrista. 

 H. J. Webber: The Affinities of Casuarina. 

 0. F. Cook : Four Categories of Species.* 



December 17, 1898 299th Meeting. 

 (NINETEENTH ANNUAL MEETING.) 



The President in the chair and 32 persons present. 



The annual reports of the Recording Secretary and Treasurer 

 for the year 1898 were presented, and officers for the year 1899 

 were elected as follows : 



President Frederick V. Coville. 



Vice-Presidents Wm. H. Ashmead, Ch. Ward ell Stiles, B. W. 

 Evermarin, F. A. Lucas. 



Recording Secretary H. J. Webber. 



Corresponding Secretary O. F. Cook. 



Treasurer F. H. Kn owl ton. 



Additional Members of the Council C. L. Marlatt, T. S. Palmer, 

 Charles L. Pollard, F. W. True, M. B. Waite. 



The following standing committees were appointed by the 

 Chair : 



On Communications}?. A. Lucas, chairman : Wm. H. Ash- 

 mead, L. H. Dewey, E. A. De Schweinitz, A. F. Woods. 



On- Publications C. Hart Merriam, chairman ; T. S. Palmer, 

 F. H. Knowlton. 



To be published in the American Naturalist 



