Proceedings. ix 



M. W. Lyon, Jr. : Classification of the Hares, Rabbits and 

 Pikas.* 



M. C. Marsh : The Gas Disease in Fishes. t 



April 16, 1904 386th Meeting. 



The President in the chair and 25 persons present. 



Carleton R. Ball exhibited specimens of Lamium amplexicaule 

 showing cleistogamous flowers produced in early spring. 



The following communications were presented : 



W. R. Maxon : Some Jamaican Termite Nests. 



Vernon Bailey : A Simple Method of Preserving Tracks. 



E. L. Morris : The History and Reproduction of the Bush 

 Morning-Glory .t 



E. S. Steele : The Globose Headed Laciniarias. 



April 30, 1904 sSyth Meeting. 



The President in the chair and 30 persons present. 



The following communications were presented : 



C. L. Marlatt : Individual and Specific Characters in Minute 

 Insects as shown under the Microscope. 



E. W. Nelson : Notes on the Habits of Two Remarkable Fish 

 from Southern Mexico. 



Geo. T. Moore : The Fixation of Atmospheric Nitrogen by 

 Bacteria. 



May 14, 1904 388th Meeting. 



Vice-President Palmer in the chair and 8 persons present. 

 No program presented. 



October 22, 1904 38gth Meeting. 



Vice-President Hay in the chair and 23 persons present. 



The following communications were presented : 



E. A. Schwarz : The Insect Catching Grass of Cuba.|| 



* Smithsonian Misc. Coll. (Quart. Issue), XLV, pp. 321-447, pis. LXXIV-C. June 15, 1904. 

 t To be published by U. S. Bureau of Fisheries ; see also Trans. Amer. Fisheries Soc., 

 p. 192, 1904. 



t Plant World, VII, pp. 109-113, pis. V-VI, May, 1904. 



\ Bacteria and the Nitrogen Problem, Yearbook U. S. Dept. Agric ., pp 333-342, 1903. 



|| To be published in Proc. Entomolog. Soc. Wash., VII, No. 1, Jan., 1905. 



